From de24fb09d58ecac9321f5f2f2532c50dadb9b22c Mon Sep 17 00:00:00 2001
From: gbpark <puget159@gmail.com>
Date: Mon, 6 Apr 2026 15:54:31 +0900
Subject: [PATCH] 123

---
 .../src/main/resources/mapper/admin.xml       |  24 +-
 .../src/main/resources/mapper/nodeFlow.xml    |  40 +-
 .../main/resources/mapper/screenEmbedding.xml |  48 +-
 .../src/main/resources/mapper/screenGroup.xml |   4 +-
 .../resources/mapper/tableCategoryValue.xml   | 410 +++++++++---------
 .../main/resources/mapper/tableManagement.xml | 242 +++++------
 .../admin/systemMng/tableMngList/page.tsx     | 336 +++++++-------
 .../admin/table-type/ColumnDetailPanel.tsx    | 128 +++---
 .../admin/table-type/ColumnGrid.tsx           |  86 ++--
 .../admin/table-type/TypeOverviewStrip.tsx    |   2 +-
 frontend/components/admin/table-type/types.ts |  56 +--
 frontend/components/dataflow/DataFlowList.tsx |  48 +-
 .../AddCategoryColumnDialog.tsx               |  56 +--
 .../table-category/CategoryColumnList.tsx     | 130 +++---
 .../config-panels/V2TableListConfigPanel.tsx  |  22 +-
 frontend/hooks/queries/useCodes.ts            |  75 ++--
 frontend/lib/api/entityJoin.ts                |   7 +-
 .../split-panel-layout2/ColumnConfigModal.tsx |  24 +-
 .../table-list/TableListConfigPanel.tsx       |  22 +-
 .../V2CategoryManagerComponent.tsx            |  16 +-
 .../v2-table-list/TableListConfigPanel.tsx    |  22 +-
 21 files changed, 899 insertions(+), 899 deletions(-)

diff --git a/backend-spring/src/main/resources/mapper/admin.xml b/backend-spring/src/main/resources/mapper/admin.xml
index 72779487..00621fd4 100644
--- a/backend-spring/src/main/resources/mapper/admin.xml
+++ b/backend-spring/src/main/resources/mapper/admin.xml
@@ -387,21 +387,21 @@
   <select id="selectUserList" parameterType="map" resultType="map">
     SELECT
         SABUN
-        , USER_ID AS "userId"
-        , USER_NAME AS "userName"
-        , COALESCE(USER_NAME_ENG, '') AS "userNameEng"
-        , COALESCE(DEPT_CODE, '') AS "deptCode"
-        , COALESCE(DEPT_NAME, '') AS "deptName"
-        , COALESCE(POSITION_CODE, '') AS "positionCode"
-        , COALESCE(POSITION_NAME, '') AS "positionName"
+        , USER_ID
+        , USER_NAME
+        , COALESCE(USER_NAME_ENG, '') AS USER_NAME_ENG
+        , COALESCE(DEPT_CODE, '') AS DEPT_CODE
+        , COALESCE(DEPT_NAME, '') AS DEPT_NAME
+        , COALESCE(POSITION_CODE, '') AS POSITION_CODE
+        , COALESCE(POSITION_NAME, '') AS POSITION_NAME
         , COALESCE(EMAIL, '') AS EMAIL
         , COALESCE(TEL, '') AS TEL
-        , COALESCE(CELL_PHONE, '') AS "cellPhone"
-        , COALESCE(USER_TYPE, '') AS "userType"
-        , COALESCE(USER_TYPE_NAME, '') AS "userTypeName"
-        , COALESCE(TO_CHAR(CREATED_DATE, 'YYYY-MM-DD'), '') AS "regDate"
+        , COALESCE(CELL_PHONE, '') AS CELL_PHONE
+        , COALESCE(USER_TYPE, '') AS USER_TYPE
+        , COALESCE(USER_TYPE_NAME, '') AS USER_TYPE_NAME
+        , COALESCE(TO_CHAR(CREATED_DATE, 'YYYY-MM-DD'), '') AS REG_DATE
         , STATUS
-        , COMPANY_CODE AS "companyCode"
+        , COMPANY_CODE
         , COALESCE(LOCALE, '') AS LOCALE
     FROM USER_INFO
     WHERE 1=1
diff --git a/backend-spring/src/main/resources/mapper/nodeFlow.xml b/backend-spring/src/main/resources/mapper/nodeFlow.xml
index a3cfbc99..a53800bb 100644
--- a/backend-spring/src/main/resources/mapper/nodeFlow.xml
+++ b/backend-spring/src/main/resources/mapper/nodeFlow.xml
@@ -8,7 +8,7 @@
     컬럼: flow_id (PK, serial), flow_name, flow_description, flow_data (JSONB),
           company_code, CREATED_DATE, UPDATED_DATE
 
-    Node 코드와 동일한 camelCase 응답 키를 위해 AS "camelCase" 별칭 사용
+    snake_case 컬럼명 그대로 반환 (alias 없음)
   -->
 
   <!-- ────────────────────────────────────────────────────── -->
@@ -16,12 +16,12 @@
   <!-- ────────────────────────────────────────────────────── -->
   <select id="getNodeFlowList" parameterType="map" resultType="map">
     SELECT
-        FLOW_ID AS "flowId"
-        , FLOW_NAME AS "flowName"
-        , FLOW_DESCRIPTION AS "flowDescription"
-        , COMPANY_CODE AS "companyCode"
-        , CREATED_DATE AS "createdAt"
-        , UPDATED_DATE AS "updatedAt"
+        FLOW_ID
+        , FLOW_NAME
+        , FLOW_DESCRIPTION
+        , COMPANY_CODE
+        , CREATED_DATE
+        , UPDATED_DATE
     FROM NODE_FLOWS
     WHERE 1=1
     <if test="company_code != null and company_code != &quot;*&quot;">
@@ -35,12 +35,12 @@
   <!-- ────────────────────────────────────────────────────── -->
   <select id="getNodeFlowInfo" parameterType="map" resultType="map">
     SELECT
-        FLOW_ID AS "flowId"
-        , FLOW_NAME AS "flowName"
-        , FLOW_DESCRIPTION AS "flowDescription"
-        , FLOW_DATA AS "flowData"
-        , CREATED_DATE AS "createdAt"
-        , UPDATED_DATE AS "updatedAt"
+        FLOW_ID
+        , FLOW_NAME
+        , FLOW_DESCRIPTION
+        , FLOW_DATA
+        , CREATED_DATE
+        , UPDATED_DATE
     FROM NODE_FLOWS
     WHERE FLOW_ID = #{flow_id}
     <include refid="common.companyCodeFilter"/>
@@ -51,9 +51,9 @@
   <!-- ────────────────────────────────────────────────────── -->
   <select id="getNodeFlowData" parameterType="map" resultType="map">
     SELECT
-        FLOW_ID AS "flowId"
-        , FLOW_NAME AS "flowName"
-        , FLOW_DATA AS "flowData"
+        FLOW_ID
+        , FLOW_NAME
+        , FLOW_DATA
     FROM NODE_FLOWS
     WHERE FLOW_ID = #{flow_id}
   </select>
@@ -63,9 +63,9 @@
   <!-- ────────────────────────────────────────────────────── -->
   <select id="getNodeFlowForAudit" parameterType="map" resultType="map">
     SELECT
-        FLOW_NAME AS "flowName"
-        , FLOW_DESCRIPTION AS "flowDescription"
-        , COMPANY_CODE AS "companyCode"
+        FLOW_NAME
+        , FLOW_DESCRIPTION
+        , COMPANY_CODE
     FROM NODE_FLOWS
     WHERE FLOW_ID = #{flow_id}
   </select>
@@ -74,7 +74,7 @@
   <!-- 생성                                                   -->
   <!-- ────────────────────────────────────────────────────── -->
   <insert id="insertNodeFlow" parameterType="map"
-          useGeneratedKeys="true" keyProperty="flowId" keyColumn="flow_id">
+          useGeneratedKeys="true" keyProperty="flow_id" keyColumn="flow_id">
     INSERT INTO NODE_FLOWS (
         FLOW_NAME
         , FLOW_DESCRIPTION
diff --git a/backend-spring/src/main/resources/mapper/screenEmbedding.xml b/backend-spring/src/main/resources/mapper/screenEmbedding.xml
index cf547d84..4a333652 100644
--- a/backend-spring/src/main/resources/mapper/screenEmbedding.xml
+++ b/backend-spring/src/main/resources/mapper/screenEmbedding.xml
@@ -122,30 +122,30 @@
   <select id="getScreenSplitPanelInfo" parameterType="map" resultType="map">
     SELECT
       SSP.ID,
-      SSP.SCREEN_ID          AS "screenId",
-      SSP.LEFT_EMBEDDING_ID  AS "leftEmbeddingId",
-      SSP.RIGHT_EMBEDDING_ID AS "rightEmbeddingId",
-      SSP.DATA_TRANSFER_ID   AS "dataTransferId",
-      SSP.LAYOUT_CONFIG      AS "layoutConfig",
-      SSP.COMPANY_CODE       AS "companyCode",
-      SSP.CREATED_DATE         AS "createdAt",
-      SSP.UPDATED_DATE         AS "updatedAt",
-      LE.PARENT_SCREEN_ID    AS "leParentScreenId",
-      LE.CHILD_SCREEN_ID     AS "leChildScreenId",
-      LE.POSITION            AS "lePosition",
-      LE.MODE                AS "leMode",
-      LE.CONFIG              AS "leConfig",
-      RE.PARENT_SCREEN_ID    AS "reParentScreenId",
-      RE.CHILD_SCREEN_ID     AS "reChildScreenId",
-      RE.POSITION            AS "rePosition",
-      RE.MODE                AS "reMode",
-      RE.CONFIG              AS "reConfig",
-      SDT.SOURCE_SCREEN_ID   AS "sourceScreenId",
-      SDT.TARGET_SCREEN_ID   AS "targetScreenId",
-      SDT.SOURCE_COMPONENT_ID   AS "sourceComponentId",
-      SDT.SOURCE_COMPONENT_TYPE AS "sourceComponentType",
-      SDT.DATA_RECEIVERS     AS "dataReceivers",
-      SDT.BUTTON_CONFIG      AS "buttonConfig"
+      SSP.SCREEN_ID,
+      SSP.LEFT_EMBEDDING_ID,
+      SSP.RIGHT_EMBEDDING_ID,
+      SSP.DATA_TRANSFER_ID,
+      SSP.LAYOUT_CONFIG,
+      SSP.COMPANY_CODE,
+      SSP.CREATED_DATE,
+      SSP.UPDATED_DATE,
+      LE.PARENT_SCREEN_ID    AS LE_PARENT_SCREEN_ID,
+      LE.CHILD_SCREEN_ID     AS LE_CHILD_SCREEN_ID,
+      LE.POSITION            AS LE_POSITION,
+      LE.MODE                AS LE_MODE,
+      LE.CONFIG              AS LE_CONFIG,
+      RE.PARENT_SCREEN_ID    AS RE_PARENT_SCREEN_ID,
+      RE.CHILD_SCREEN_ID     AS RE_CHILD_SCREEN_ID,
+      RE.POSITION            AS RE_POSITION,
+      RE.MODE                AS RE_MODE,
+      RE.CONFIG              AS RE_CONFIG,
+      SDT.SOURCE_SCREEN_ID,
+      SDT.TARGET_SCREEN_ID,
+      SDT.SOURCE_COMPONENT_ID,
+      SDT.SOURCE_COMPONENT_TYPE,
+      SDT.DATA_RECEIVERS,
+      SDT.BUTTON_CONFIG
     FROM SCREEN_SPLIT_PANEL SSP
     LEFT JOIN SCREEN_EMBEDDING     LE  ON SSP.LEFT_EMBEDDING_ID  = LE.ID
     LEFT JOIN SCREEN_EMBEDDING     RE  ON SSP.RIGHT_EMBEDDING_ID = RE.ID
diff --git a/backend-spring/src/main/resources/mapper/screenGroup.xml b/backend-spring/src/main/resources/mapper/screenGroup.xml
index 08d3db69..35282244 100644
--- a/backend-spring/src/main/resources/mapper/screenGroup.xml
+++ b/backend-spring/src/main/resources/mapper/screenGroup.xml
@@ -58,8 +58,8 @@
   <select id="selectGroupScreensByGroupIds" parameterType="map" resultType="map">
     SELECT
       SGS.ID,
-      SGS.GROUP_ID AS "groupId",
-      SGS.SCREEN_ID AS "screen_id",
+      SGS.GROUP_ID,
+      SGS.SCREEN_ID,
       SD.SCREEN_NAME,
       SGS.SCREEN_ROLE,
       SGS.DISPLAY_ORDER,
diff --git a/backend-spring/src/main/resources/mapper/tableCategoryValue.xml b/backend-spring/src/main/resources/mapper/tableCategoryValue.xml
index 7c6969b3..414dd51a 100644
--- a/backend-spring/src/main/resources/mapper/tableCategoryValue.xml
+++ b/backend-spring/src/main/resources/mapper/tableCategoryValue.xml
@@ -9,56 +9,56 @@
 
   <select id="getCategoryColumnList" parameterType="map" resultType="map">
     SELECT
-      tc.table_name  AS "tableName",
-      tc.column_name AS "columnName",
-      tc.column_name AS "columnLabel",
-      COUNT(cv.value_id) AS "valueCount"
+      TC.TABLE_NAME
+      , TC.COLUMN_NAME
+      , TC.COLUMN_NAME AS column_label
+      , COUNT(CV.VALUE_ID) AS value_count
 
-    FROM table_type_columns tc
+    FROM TABLE_TYPE_COLUMNS TC
 
-    LEFT JOIN category_values cv
-      ON  tc.table_name  = cv.table_name
-      AND tc.column_name = cv.column_name
-      AND cv.is_active   = TRUE
+    LEFT JOIN CATEGORY_VALUES CV
+      ON  TC.TABLE_NAME  = CV.TABLE_NAME
+      AND TC.COLUMN_NAME = CV.COLUMN_NAME
+      AND CV.IS_ACTIVE   = TRUE
       <if test='company_code != null and company_code != "*"'>
-      AND (cv.company_code = #{company_code} OR cv.company_code = '*')
+      AND (CV.COMPANY_CODE = #{company_code} OR CV.COMPANY_CODE = '*')
       </if>
 
-    WHERE tc.table_name  = #{table_name}
-      AND tc.input_type  = 'category'
+    WHERE TC.TABLE_NAME  = #{table_name}
+      AND TC.INPUT_TYPE  = 'category'
 
-    GROUP BY tc.table_name, tc.column_name, tc.display_order
+    GROUP BY TC.TABLE_NAME, TC.COLUMN_NAME, TC.DISPLAY_ORDER
 
-    ORDER BY tc.display_order, tc.column_name
+    ORDER BY TC.DISPLAY_ORDER, TC.COLUMN_NAME
   </select>
 
   <select id="getAllCategoryColumnList" parameterType="map" resultType="map">
     SELECT
-      tc.table_name  AS "tableName",
-      tc.column_name AS "columnName",
-      tc.column_name AS "columnLabel",
-      COALESCE(cv_count.cnt, 0) AS "valueCount"
+      TC.TABLE_NAME
+      , TC.COLUMN_NAME
+      , TC.COLUMN_NAME AS column_label
+      , COALESCE(CV_COUNT.cnt, 0) AS value_count
 
     FROM (
-      SELECT DISTINCT table_name, column_name, MIN(display_order) AS display_order
-      FROM table_type_columns
-      WHERE input_type = 'category'
-      GROUP BY table_name, column_name
-    ) tc
+      SELECT DISTINCT TABLE_NAME, COLUMN_NAME, MIN(DISPLAY_ORDER) AS display_order
+      FROM TABLE_TYPE_COLUMNS
+      WHERE INPUT_TYPE = 'category'
+      GROUP BY TABLE_NAME, COLUMN_NAME
+    ) TC
 
     LEFT JOIN (
-      SELECT table_name, column_name, COUNT(*) AS cnt
-      FROM category_values
-      WHERE is_active = TRUE
+      SELECT TABLE_NAME, COLUMN_NAME, COUNT(*) AS cnt
+      FROM CATEGORY_VALUES
+      WHERE IS_ACTIVE = TRUE
       <if test='company_code != null and company_code != "*"'>
-        AND (company_code = #{company_code} OR company_code = '*')
+        AND (COMPANY_CODE = #{company_code} OR COMPANY_CODE = '*')
       </if>
-      GROUP BY table_name, column_name
-    ) cv_count
-      ON tc.table_name  = cv_count.table_name
-     AND tc.column_name = cv_count.column_name
+      GROUP BY TABLE_NAME, COLUMN_NAME
+    ) CV_COUNT
+      ON TC.TABLE_NAME  = CV_COUNT.TABLE_NAME
+     AND TC.COLUMN_NAME = CV_COUNT.COLUMN_NAME
 
-    ORDER BY tc.table_name, tc.display_order, tc.column_name
+    ORDER BY TC.TABLE_NAME, TC.DISPLAY_ORDER, TC.COLUMN_NAME
   </select>
 
   <!-- ══════════════════════════════════════════════════════════════
@@ -67,98 +67,98 @@
 
   <select id="getCategoryValueList" parameterType="map" resultType="map">
     SELECT
-      value_id        AS value_id,
-      table_name      AS "tableName",
-      column_name     AS "columnName",
-      value_code      AS "valueCode",
-      value_label     AS "valueLabel",
-      value_order     AS "valueOrder",
-      parent_value_id AS parent_value_id,
-      depth,
-      description,
-      color,
-      icon,
-      is_active       AS "isActive",
-      is_default      AS "isDefault",
-      company_code    AS "companyCode",
-      menu_objid      AS "menuObjid",
-      CREATED_DATE      AS "createdAt",
-      UPDATED_DATE      AS "updatedAt",
-      created_by      AS "createdBy",
-      updated_by      AS "updatedBy"
+      VALUE_ID
+      , TABLE_NAME
+      , COLUMN_NAME
+      , VALUE_CODE
+      , VALUE_LABEL
+      , VALUE_ORDER
+      , PARENT_VALUE_ID
+      , DEPTH
+      , DESCRIPTION
+      , COLOR
+      , ICON
+      , IS_ACTIVE
+      , IS_DEFAULT
+      , COMPANY_CODE
+      , MENU_OBJID
+      , CREATED_DATE
+      , UPDATED_DATE
+      , CREATED_BY
+      , UPDATED_BY
 
-    FROM category_values
+    FROM CATEGORY_VALUES
 
-    WHERE table_name  = #{table_name}
-      AND column_name = #{column_name}
+    WHERE TABLE_NAME  = #{table_name}
+      AND COLUMN_NAME = #{column_name}
     <choose>
       <when test='company_code != null and company_code != "*"'>
-        AND (company_code = #{company_code} OR company_code = '*')
+        AND (COMPANY_CODE = #{company_code} OR COMPANY_CODE = '*')
       </when>
       <otherwise>
-        AND company_code = '*'
+        AND COMPANY_CODE = '*'
       </otherwise>
     </choose>
     <if test="include_inactive == null or include_inactive == false">
-      AND is_active = TRUE
+      AND IS_ACTIVE = TRUE
     </if>
 
-    ORDER BY value_order, value_label
+    ORDER BY VALUE_ORDER, VALUE_LABEL
   </select>
 
   <select id="getCategoryValueInfo" parameterType="map" resultType="map">
     SELECT
-      value_id        AS "valueId",
-      table_name      AS "tableName",
-      column_name     AS "columnName",
-      value_code      AS "valueCode",
-      value_label     AS "valueLabel",
-      value_order     AS "valueOrder",
-      parent_value_id AS "parentValueId",
-      depth,
-      description,
-      color,
-      icon,
-      is_active       AS "isActive",
-      is_default      AS "isDefault",
-      company_code    AS "companyCode",
-      menu_objid      AS "menuObjid",
-      CREATED_DATE      AS "createdAt",
-      UPDATED_DATE      AS "updatedAt",
-      created_by      AS "createdBy",
-      updated_by      AS "updatedBy"
+      VALUE_ID
+      , TABLE_NAME
+      , COLUMN_NAME
+      , VALUE_CODE
+      , VALUE_LABEL
+      , VALUE_ORDER
+      , PARENT_VALUE_ID
+      , DEPTH
+      , DESCRIPTION
+      , COLOR
+      , ICON
+      , IS_ACTIVE
+      , IS_DEFAULT
+      , COMPANY_CODE
+      , MENU_OBJID
+      , CREATED_DATE
+      , UPDATED_DATE
+      , CREATED_BY
+      , UPDATED_BY
 
-    FROM category_values
+    FROM CATEGORY_VALUES
 
-    WHERE value_id = #{value_id}
+    WHERE VALUE_ID = #{value_id}
   </select>
 
   <!-- 사용 여부 확인용: table_name, column_name, value_code, value_label 반환 -->
   <select id="getCategoryValueUsageInfo" parameterType="map" resultType="map">
     SELECT
-      table_name   AS table_name,
-      column_name  AS column_name,
-      value_code   AS value_code,
-      value_label  AS value_label
+      TABLE_NAME
+      , COLUMN_NAME
+      , VALUE_CODE
+      , VALUE_LABEL
 
-    FROM category_values
+    FROM CATEGORY_VALUES
 
-    WHERE value_id = #{value_id}
+    WHERE VALUE_ID = #{value_id}
     <if test='company_code != null and company_code != "*"'>
-      AND (company_code = #{company_code} OR company_code = '*')
+      AND (COMPANY_CODE = #{company_code} OR COMPANY_CODE = '*')
     </if>
   </select>
 
   <!-- 수정 시 라벨 중복 체크용: table_name, column_name, company_code 반환 -->
   <select id="getCategoryValueLabelInfo" parameterType="map" resultType="map">
     SELECT
-      table_name   AS table_name,
-      column_name  AS column_name,
-      company_code AS company_code
+      TABLE_NAME
+      , COLUMN_NAME
+      , COMPANY_CODE
 
-    FROM category_values
+    FROM CATEGORY_VALUES
 
-    WHERE value_id = #{value_id}
+    WHERE VALUE_ID = #{value_id}
   </select>
 
   <!-- ══════════════════════════════════════════════════════════════
@@ -166,44 +166,44 @@
        ══════════════════════════════════════════════════════════════ -->
 
   <select id="countDuplicateCode" parameterType="map" resultType="int">
-    SELECT COUNT(*) FROM category_values
-    WHERE table_name  = #{table_name}
-      AND column_name = #{column_name}
-      AND value_code  = #{value_code}
-      AND menu_objid  = #{menu_objid}
+    SELECT COUNT(*) FROM CATEGORY_VALUES
+    WHERE TABLE_NAME  = #{table_name}
+      AND COLUMN_NAME = #{column_name}
+      AND VALUE_CODE  = #{value_code}
+      AND MENU_OBJID  = #{menu_objid}
     <if test='company_code != null and company_code != "*"'>
-      AND (company_code = #{company_code} OR company_code = '*')
+      AND (COMPANY_CODE = #{company_code} OR COMPANY_CODE = '*')
     </if>
   </select>
 
   <select id="countDuplicateLabel" parameterType="map" resultType="int">
-    SELECT COUNT(*) FROM category_values
-    WHERE table_name  = #{table_name}
-      AND column_name = #{column_name}
-      AND value_label = #{value_label}
-      AND is_active   = TRUE
+    SELECT COUNT(*) FROM CATEGORY_VALUES
+    WHERE TABLE_NAME  = #{table_name}
+      AND COLUMN_NAME = #{column_name}
+      AND VALUE_LABEL = #{value_label}
+      AND IS_ACTIVE   = TRUE
     <if test='company_code != null and company_code != "*"'>
-      AND (company_code = #{company_code} OR company_code = '*')
+      AND (COMPANY_CODE = #{company_code} OR COMPANY_CODE = '*')
     </if>
   </select>
 
   <!-- 수정 시 자기 자신 제외 라벨 중복 체크 (항상 company_code 필터) -->
   <select id="countDuplicateLabelExcludeSelf" parameterType="map" resultType="int">
-    SELECT COUNT(*) FROM category_values
-    WHERE table_name  = #{table_name}
-      AND column_name = #{column_name}
-      AND value_label = #{value_label}
-      AND (company_code = #{company_code} OR company_code = '*')
-      AND is_active   = TRUE
-      AND value_id   != #{value_id}
+    SELECT COUNT(*) FROM CATEGORY_VALUES
+    WHERE TABLE_NAME  = #{table_name}
+      AND COLUMN_NAME = #{column_name}
+      AND VALUE_LABEL = #{value_label}
+      AND (COMPANY_CODE = #{company_code} OR COMPANY_CODE = '*')
+      AND IS_ACTIVE   = TRUE
+      AND VALUE_ID   != #{value_id}
   </select>
 
   <insert id="insertCategoryValue" parameterType="map"
           useGeneratedKeys="true" keyProperty="valueId" keyColumn="value_id">
-    INSERT INTO category_values (
-      table_name, column_name, value_code, value_label, value_order,
-      parent_value_id, depth, description, color, icon,
-      is_active, is_default, company_code, menu_objid, created_by
+    INSERT INTO CATEGORY_VALUES (
+      TABLE_NAME, COLUMN_NAME, VALUE_CODE, VALUE_LABEL, VALUE_ORDER,
+      PARENT_VALUE_ID, DEPTH, DESCRIPTION, COLOR, ICON,
+      IS_ACTIVE, IS_DEFAULT, COMPANY_CODE, MENU_OBJID, CREATED_BY
     ) VALUES (
       #{table_name}, #{column_name}, #{value_code}, #{value_label}, #{value_order},
       #{parent_value_id}, #{depth}, #{description}, #{color}, #{icon},
@@ -212,21 +212,21 @@
   </insert>
 
   <update id="updateCategoryValue" parameterType="map">
-    UPDATE category_values
+    UPDATE CATEGORY_VALUES
     <set>
-      <if test="value_label != null">value_label = #{value_label},</if>
-      <if test="value_order != null">value_order = #{value_order},</if>
-      <if test="description != null">description = #{description},</if>
-      <if test="color != null">color = #{color},</if>
-      <if test="icon != null">icon = #{icon},</if>
-      <if test="is_active != null">is_active = #{is_active},</if>
-      <if test="is_default != null">is_default = #{is_default},</if>
+      <if test="value_label != null">VALUE_LABEL = #{value_label},</if>
+      <if test="value_order != null">VALUE_ORDER = #{value_order},</if>
+      <if test="description != null">DESCRIPTION = #{description},</if>
+      <if test="color != null">COLOR = #{color},</if>
+      <if test="icon != null">ICON = #{icon},</if>
+      <if test="is_active != null">IS_ACTIVE = #{is_active},</if>
+      <if test="is_default != null">IS_DEFAULT = #{is_default},</if>
       UPDATED_DATE = NOW(),
-      updated_by = #{user_id}
+      UPDATED_BY = #{user_id}
     </set>
-    WHERE value_id = #{value_id}
+    WHERE VALUE_ID = #{value_id}
     <if test='company_code != null and company_code != "*"'>
-      AND (company_code = #{company_code} OR company_code = '*')
+      AND (COMPANY_CODE = #{company_code} OR COMPANY_CODE = '*')
     </if>
   </update>
 
@@ -251,52 +251,52 @@
 
     WHERE ${safeColumnName} = #{value_code}
     <if test='company_code != null and company_code != "*"'>
-      AND (company_code = #{company_code} OR company_code = '*')
+      AND (COMPANY_CODE = #{company_code} OR COMPANY_CODE = '*')
     </if>
   </select>
 
   <select id="getMenuListUsingTable" parameterType="map" resultType="map">
     SELECT DISTINCT
-      mi.objid           AS "menuObjid",
-      mi.menu_name_kor   AS menu_name,
-      mi.menu_url        AS "menuUrl"
+      MI.OBJID AS menu_objid
+      , MI.MENU_NAME_KOR AS menu_name
+      , MI.MENU_URL
 
-    FROM menu_info mi
+    FROM MENU_INFO MI
 
-    INNER JOIN screen_menu_assignments sma ON sma.menu_objid  = mi.objid
-    INNER JOIN screen_definitions      sd  ON sd.screen_id    = sma.screen_id
+    INNER JOIN SCREEN_MENU_ASSIGNMENTS SMA ON SMA.MENU_OBJID = MI.OBJID
+    INNER JOIN SCREEN_DEFINITIONS SD ON SD.SCREEN_ID = SMA.SCREEN_ID
 
-    WHERE sd.table_name    = #{table_name}
-      AND (mi.company_code  = #{company_code} OR mi.company_code = '*')
+    WHERE SD.TABLE_NAME    = #{table_name}
+      AND (MI.COMPANY_CODE = #{company_code} OR MI.COMPANY_CODE = '*')
 
-    ORDER BY mi.menu_name_kor
+    ORDER BY MI.MENU_NAME_KOR
   </select>
 
   <!-- 재귀 CTE 로 모든 하위 value_id 수집 -->
   <select id="getChildValueIdList" parameterType="map" resultType="map">
     WITH RECURSIVE category_tree AS (
-      SELECT value_id
-      FROM   category_values
-      WHERE  parent_value_id = #{value_id}
+      SELECT VALUE_ID
+      FROM   CATEGORY_VALUES
+      WHERE  PARENT_VALUE_ID = #{value_id}
       <if test='company_code != null and company_code != "*"'>
-        AND (company_code = #{company_code} OR company_code = '*')
+        AND (COMPANY_CODE = #{company_code} OR COMPANY_CODE = '*')
       </if>
       UNION ALL
-      SELECT cv.value_id
-      FROM   category_values cv
-      INNER JOIN category_tree ct ON cv.parent_value_id = ct.value_id
+      SELECT CV.VALUE_ID
+      FROM   CATEGORY_VALUES CV
+      INNER JOIN category_tree CT ON CV.PARENT_VALUE_ID = CT.VALUE_ID
       <if test='company_code != null and company_code != "*"'>
-      WHERE  (cv.company_code = #{company_code} OR cv.company_code = '*')
+      WHERE  (CV.COMPANY_CODE = #{company_code} OR CV.COMPANY_CODE = '*')
       </if>
     )
-    SELECT value_id AS value_id FROM category_tree
+    SELECT VALUE_ID FROM category_tree
   </select>
 
   <delete id="deleteValueById" parameterType="map">
-    DELETE FROM category_values
-    WHERE value_id = #{value_id}
+    DELETE FROM CATEGORY_VALUES
+    WHERE VALUE_ID = #{value_id}
     <if test='company_code != null and company_code != "*"'>
-      AND (company_code = #{company_code} OR company_code = '*')
+      AND (COMPANY_CODE = #{company_code} OR COMPANY_CODE = '*')
     </if>
   </delete>
 
@@ -305,26 +305,26 @@
        ══════════════════════════════════════════════════════════════ -->
 
   <update id="bulkSoftDeleteValues" parameterType="map">
-    UPDATE category_values
-    SET is_active  = FALSE,
+    UPDATE CATEGORY_VALUES
+    SET IS_ACTIVE  = FALSE,
         UPDATED_DATE = NOW(),
-        updated_by = #{user_id}
-    WHERE value_id IN
+        UPDATED_BY = #{user_id}
+    WHERE VALUE_ID IN
     <foreach collection="valueIds" item="id" open="(" separator="," close=")">
       #{id}
     </foreach>
     <if test='company_code != null and company_code != "*"'>
-      AND (company_code = #{company_code} OR company_code = '*')
+      AND (COMPANY_CODE = #{company_code} OR COMPANY_CODE = '*')
     </if>
   </update>
 
   <update id="updateValueOrder" parameterType="map">
-    UPDATE category_values
-    SET value_order = #{value_order},
+    UPDATE CATEGORY_VALUES
+    SET VALUE_ORDER = #{value_order},
         UPDATED_DATE  = NOW()
-    WHERE value_id = #{value_id}
+    WHERE VALUE_ID = #{value_id}
     <if test='company_code != null and company_code != "*"'>
-      AND (company_code = #{company_code} OR company_code = '*')
+      AND (COMPANY_CODE = #{company_code} OR COMPANY_CODE = '*')
     </if>
   </update>
 
@@ -334,34 +334,34 @@
 
   <select id="getColumnMappingList" parameterType="map" resultType="map">
     SELECT
-      logical_column_name  AS logical_column_name,
-      physical_column_name AS physical_column_name
+      LOGICAL_COLUMN_NAME
+      , PHYSICAL_COLUMN_NAME
 
-    FROM category_column_mapping
+    FROM CATEGORY_COLUMN_MAPPING
 
-    WHERE table_name  = #{table_name}
-      AND menu_objid  = #{menu_objid}
+    WHERE TABLE_NAME  = #{table_name}
+      AND MENU_OBJID  = #{menu_objid}
     <if test='company_code != null and company_code != "*"'>
-      AND (company_code = #{company_code} OR company_code = '*')
+      AND (COMPANY_CODE = #{company_code} OR COMPANY_CODE = '*')
     </if>
   </select>
 
   <select id="getLogicalColumnList" parameterType="map" resultType="map">
     SELECT
-      mapping_id           AS "mappingId",
-      logical_column_name  AS "logicalColumnName",
-      physical_column_name AS "physicalColumnName",
-      description
+      MAPPING_ID
+      , LOGICAL_COLUMN_NAME
+      , PHYSICAL_COLUMN_NAME
+      , DESCRIPTION
 
-    FROM category_column_mapping
+    FROM CATEGORY_COLUMN_MAPPING
 
-    WHERE table_name = #{table_name}
-      AND menu_objid = #{menu_objid}
+    WHERE TABLE_NAME = #{table_name}
+      AND MENU_OBJID = #{menu_objid}
     <if test='company_code != null and company_code != "*"'>
-      AND (company_code = #{company_code} OR company_code = '*')
+      AND (COMPANY_CODE = #{company_code} OR COMPANY_CODE = '*')
     </if>
 
-    ORDER BY logical_column_name
+    ORDER BY LOGICAL_COLUMN_NAME
   </select>
 
   <select id="checkPhysicalColumnExists" parameterType="map" resultType="int">
@@ -373,46 +373,46 @@
 
   <!-- UPSERT: ON CONFLICT (table_name, logical_column_name, menu_objid, company_code) -->
   <insert id="upsertColumnMapping" parameterType="map">
-    INSERT INTO category_column_mapping (
-      table_name, logical_column_name, physical_column_name,
-      menu_objid, company_code, description, created_by, updated_by
+    INSERT INTO CATEGORY_COLUMN_MAPPING (
+      TABLE_NAME, LOGICAL_COLUMN_NAME, PHYSICAL_COLUMN_NAME,
+      MENU_OBJID, COMPANY_CODE, DESCRIPTION, CREATED_BY, UPDATED_BY
     ) VALUES (
       #{table_name}, #{logical_column_name}, #{physical_column_name},
       #{menu_objid}, #{company_code}, #{description}, #{user_id}, #{user_id}
     )
     ON CONFLICT (table_name, logical_column_name, menu_objid, company_code)
     DO UPDATE SET
-      physical_column_name = EXCLUDED.physical_column_name,
-      description          = EXCLUDED.description,
+      PHYSICAL_COLUMN_NAME = EXCLUDED.PHYSICAL_COLUMN_NAME,
+      DESCRIPTION          = EXCLUDED.DESCRIPTION,
       UPDATED_DATE           = NOW(),
-      updated_by           = EXCLUDED.updated_by
+      UPDATED_BY           = EXCLUDED.UPDATED_BY
   </insert>
 
   <select id="getColumnMappingInfo" parameterType="map" resultType="map">
     SELECT *
 
-    FROM category_column_mapping
+    FROM CATEGORY_COLUMN_MAPPING
 
-    WHERE table_name          = #{table_name}
-      AND logical_column_name = #{logical_column_name}
-      AND menu_objid          = #{menu_objid}
-      AND (company_code        = #{company_code} OR company_code = '*')
+    WHERE TABLE_NAME          = #{table_name}
+      AND LOGICAL_COLUMN_NAME = #{logical_column_name}
+      AND MENU_OBJID          = #{menu_objid}
+      AND (COMPANY_CODE        = #{company_code} OR COMPANY_CODE = '*')
   </select>
 
   <delete id="deleteColumnMappingById" parameterType="map">
-    DELETE FROM category_column_mapping
-    WHERE mapping_id = #{mapping_id}
+    DELETE FROM CATEGORY_COLUMN_MAPPING
+    WHERE MAPPING_ID = #{mapping_id}
     <if test='company_code != null and company_code != "*"'>
-      AND (company_code = #{company_code} OR company_code = '*')
+      AND (COMPANY_CODE = #{company_code} OR COMPANY_CODE = '*')
     </if>
   </delete>
 
   <delete id="deleteColumnMappingsByColumn" parameterType="map">
-    DELETE FROM category_column_mapping
-    WHERE table_name          = #{table_name}
-      AND logical_column_name = #{column_name}
+    DELETE FROM CATEGORY_COLUMN_MAPPING
+    WHERE TABLE_NAME          = #{table_name}
+      AND LOGICAL_COLUMN_NAME = #{column_name}
     <if test='company_code != null and company_code != "*"'>
-      AND (company_code = #{company_code} OR company_code = '*')
+      AND (COMPANY_CODE = #{company_code} OR COMPANY_CODE = '*')
     </if>
   </delete>
 
@@ -422,17 +422,17 @@
 
   <select id="getLabelListByCodes" parameterType="map" resultType="map">
     SELECT DISTINCT
-      value_code  AS value_code,
-      value_label AS value_label
+      VALUE_CODE
+      , VALUE_LABEL
 
-    FROM category_values
+    FROM CATEGORY_VALUES
 
-    WHERE value_code IN
+    WHERE VALUE_CODE IN
     <foreach collection="valueCodes" item="code" open="(" separator="," close=")">
       #{code}
     </foreach>
     <if test='company_code != null and company_code != "*"'>
-      AND (company_code = #{company_code} OR company_code = '*')
+      AND (COMPANY_CODE = #{company_code} OR COMPANY_CODE = '*')
     </if>
   </select>
 
@@ -448,23 +448,23 @@
 
   <select id="getSecondLevelMenuList" parameterType="map" resultType="map">
     SELECT
-      m1.objid         AS "menuObjid",
-      m1.menu_name_kor AS "menuName",
-      m0.menu_name_kor AS "parentMenuName",
-      m1.screen_code   AS "screenCode"
+      M1.OBJID AS menu_objid
+      , M1.MENU_NAME_KOR AS menu_name
+      , M0.MENU_NAME_KOR AS parent_menu_name
+      , M1.SCREEN_CODE AS screen_code
 
-    FROM menu_info m1
+    FROM MENU_INFO M1
 
-    INNER JOIN menu_info m0 ON m1.parent_obj_id = m0.objid
+    INNER JOIN MENU_INFO M0 ON M1.PARENT_OBJ_ID = M0.OBJID
 
-    WHERE m1.menu_type     = '1'
-      AND m1.status        = 'active'
-      AND m0.parent_obj_id = '0'
+    WHERE M1.MENU_TYPE     = '1'
+      AND M1.STATUS        = 'active'
+      AND M0.PARENT_OBJ_ID = '0'
     <if test='has_company_code and company_code != null and company_code != "*"'>
-      AND (m1.company_code = #{company_code} OR m1.company_code = '*')
+      AND (M1.COMPANY_CODE = #{company_code} OR M1.COMPANY_CODE = '*')
     </if>
 
-    ORDER BY m0.seq, m1.seq
+    ORDER BY M0.SEQ, M1.SEQ
   </select>
 
 </mapper>
diff --git a/backend-spring/src/main/resources/mapper/tableManagement.xml b/backend-spring/src/main/resources/mapper/tableManagement.xml
index f183fb9a..239f6c8d 100644
--- a/backend-spring/src/main/resources/mapper/tableManagement.xml
+++ b/backend-spring/src/main/resources/mapper/tableManagement.xml
@@ -8,11 +8,11 @@
   ═══════════════════════════════════════════════════ -->
   <select id="getTableList" resultType="map">
     SELECT
-        T.TABLE_NAME   AS "tableName"
-        , COALESCE(TL.TABLE_LABEL, T.TABLE_NAME) AS "displayName"
-        , COALESCE(TL.DESCRIPTION, '')            AS "description"
+        T.TABLE_NAME
+        , COALESCE(TL.TABLE_LABEL, T.TABLE_NAME) AS DISPLAY_NAME
+        , COALESCE(TL.DESCRIPTION, '')            AS DESCRIPTION
         , (SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
-           WHERE TABLE_NAME = T.TABLE_NAME AND TABLE_SCHEMA = 'public') AS "columnCount"
+           WHERE TABLE_NAME = T.TABLE_NAME AND TABLE_SCHEMA = 'public') AS COLUMN_COUNT
     FROM INFORMATION_SCHEMA.TABLES T
     LEFT JOIN TABLE_LABELS TL
       ON T.TABLE_NAME = TL.TABLE_NAME
@@ -38,33 +38,33 @@
   ═══════════════════════════════════════════════════ -->
   <select id="getColumnList" parameterType="map" resultType="map">
     SELECT
-        C.COLUMN_NAME AS "columnName"
-        , COALESCE(CL.COLUMN_LABEL, C.COLUMN_NAME) AS "displayName"
-        , C.DATA_TYPE AS "dataType"
-        , C.DATA_TYPE AS "dbType"
-        , COALESCE(CL.INPUT_TYPE, 'text') AS "webType"
-        , COALESCE(CL.INPUT_TYPE, 'direct') AS "inputType"
-        , COALESCE(CL.DETAIL_SETTINGS::TEXT, '') AS "detailSettings"
-        , COALESCE(CL.DESCRIPTION, '') AS "description"
+        C.COLUMN_NAME
+        , COALESCE(CL.COLUMN_LABEL, C.COLUMN_NAME) AS DISPLAY_NAME
+        , C.DATA_TYPE
+        , C.DATA_TYPE AS DB_TYPE
+        , COALESCE(CL.INPUT_TYPE, 'text') AS WEB_TYPE
+        , COALESCE(CL.INPUT_TYPE, 'direct') AS INPUT_TYPE
+        , COALESCE(CL.DETAIL_SETTINGS::TEXT, '') AS DETAIL_SETTINGS
+        , COALESCE(CL.DESCRIPTION, '') AS DESCRIPTION
         , CASE
             WHEN CL.IS_NULLABLE IS NOT NULL
             THEN CASE WHEN CL.IS_NULLABLE = 'N' THEN 'NO' ELSE 'YES' END
             ELSE C.IS_NULLABLE
-          END AS "isNullable"
-        , CASE WHEN CL.IS_UNIQUE = 'Y' THEN 'YES' ELSE 'NO' END AS "isUnique"
-        , CASE WHEN PK.COLUMN_NAME IS NOT NULL THEN TRUE ELSE FALSE END AS "isPrimaryKey"
-        , C.COLUMN_DEFAULT AS "defaultValue"
-        , C.CHARACTER_MAXIMUM_LENGTH AS "maxLength"
-        , C.NUMERIC_PRECISION AS "numericPrecision"
-        , C.NUMERIC_SCALE AS "numericScale"
-        , CL.CODE_CATEGORY AS "codeCategory"
-        , CL.CODE_VALUE AS "codeValue"
-        , CL.REFERENCE_TABLE AS "referenceTable"
-        , CL.REFERENCE_COLUMN AS "referenceColumn"
-        , CL.DISPLAY_COLUMN AS "displayColumn"
-        , CL.DISPLAY_ORDER AS "displayOrder"
-        , CL.IS_VISIBLE AS "isVisible"
-        , DCL.COLUMN_LABEL AS "displayColumnLabel"
+          END AS IS_NULLABLE
+        , CASE WHEN CL.IS_UNIQUE = 'Y' THEN 'YES' ELSE 'NO' END AS IS_UNIQUE
+        , CASE WHEN PK.COLUMN_NAME IS NOT NULL THEN TRUE ELSE FALSE END AS IS_PRIMARY_KEY
+        , C.COLUMN_DEFAULT AS DEFAULT_VALUE
+        , C.CHARACTER_MAXIMUM_LENGTH AS MAX_LENGTH
+        , C.NUMERIC_PRECISION
+        , C.NUMERIC_SCALE
+        , CL.CODE_CATEGORY
+        , CL.CODE_VALUE
+        , CL.REFERENCE_TABLE
+        , CL.REFERENCE_COLUMN
+        , CL.DISPLAY_COLUMN
+        , CL.DISPLAY_ORDER
+        , CL.IS_VISIBLE
+        , DCL.COLUMN_LABEL AS DISPLAY_COLUMN_LABEL
     FROM INFORMATION_SCHEMA.COLUMNS C
     LEFT JOIN TABLE_TYPE_COLUMNS CL
       ON C.TABLE_NAME = CL.TABLE_NAME AND C.COLUMN_NAME = CL.COLUMN_NAME AND CL.COMPANY_CODE = '*'
@@ -91,33 +91,33 @@
   ═══════════════════════════════════════════════════ -->
   <select id="getColumnListWithCompany" parameterType="map" resultType="map">
     SELECT
-        C.COLUMN_NAME AS "columnName"
-        , COALESCE(NULLIF(TTC.COLUMN_LABEL, C.COLUMN_NAME), CL.COLUMN_LABEL, C.COLUMN_NAME) AS "displayName"
-        , C.DATA_TYPE AS "dataType"
-        , C.DATA_TYPE AS "dbType"
-        , COALESCE(TTC.INPUT_TYPE, CL.INPUT_TYPE, 'text') AS "webType"
-        , COALESCE(TTC.INPUT_TYPE, CL.INPUT_TYPE, 'direct') AS "inputType"
-        , COALESCE(TTC.DETAIL_SETTINGS::TEXT, CL.DETAIL_SETTINGS::TEXT, '') AS "detailSettings"
-        , COALESCE(TTC.DESCRIPTION, CL.DESCRIPTION, '') AS "description"
+        C.COLUMN_NAME
+        , COALESCE(NULLIF(TTC.COLUMN_LABEL, C.COLUMN_NAME), CL.COLUMN_LABEL, C.COLUMN_NAME) AS DISPLAY_NAME
+        , C.DATA_TYPE
+        , C.DATA_TYPE AS DB_TYPE
+        , COALESCE(TTC.INPUT_TYPE, CL.INPUT_TYPE, 'text') AS WEB_TYPE
+        , COALESCE(TTC.INPUT_TYPE, CL.INPUT_TYPE, 'direct') AS INPUT_TYPE
+        , COALESCE(TTC.DETAIL_SETTINGS::TEXT, CL.DETAIL_SETTINGS::TEXT, '') AS DETAIL_SETTINGS
+        , COALESCE(TTC.DESCRIPTION, CL.DESCRIPTION, '') AS DESCRIPTION
         , CASE
             WHEN COALESCE(TTC.IS_NULLABLE, CL.IS_NULLABLE) IS NOT NULL
             THEN CASE WHEN COALESCE(TTC.IS_NULLABLE, CL.IS_NULLABLE) = 'N' THEN 'NO' ELSE 'YES' END
             ELSE C.IS_NULLABLE
-          END AS "isNullable"
-        , CASE WHEN COALESCE(TTC.IS_UNIQUE, CL.IS_UNIQUE) = 'Y' THEN 'YES' ELSE 'NO' END AS "isUnique"
-        , CASE WHEN PK.COLUMN_NAME IS NOT NULL THEN TRUE ELSE FALSE END AS "isPrimaryKey"
-        , C.COLUMN_DEFAULT AS "defaultValue"
-        , C.CHARACTER_MAXIMUM_LENGTH AS "maxLength"
-        , C.NUMERIC_PRECISION AS "numericPrecision"
-        , C.NUMERIC_SCALE AS "numericScale"
-        , COALESCE(TTC.CODE_CATEGORY, CL.CODE_CATEGORY) AS "codeCategory"
-        , COALESCE(TTC.CODE_VALUE, CL.CODE_VALUE) AS "codeValue"
-        , COALESCE(TTC.REFERENCE_TABLE, CL.REFERENCE_TABLE) AS "referenceTable"
-        , COALESCE(TTC.REFERENCE_COLUMN, CL.REFERENCE_COLUMN) AS "referenceColumn"
-        , COALESCE(TTC.DISPLAY_COLUMN, CL.DISPLAY_COLUMN) AS "displayColumn"
-        , COALESCE(TTC.DISPLAY_ORDER, CL.DISPLAY_ORDER) AS "displayOrder"
-        , COALESCE(TTC.IS_VISIBLE, CL.IS_VISIBLE) AS "isVisible"
-        , DCL.COLUMN_LABEL AS "displayColumnLabel"
+          END AS IS_NULLABLE
+        , CASE WHEN COALESCE(TTC.IS_UNIQUE, CL.IS_UNIQUE) = 'Y' THEN 'YES' ELSE 'NO' END AS IS_UNIQUE
+        , CASE WHEN PK.COLUMN_NAME IS NOT NULL THEN TRUE ELSE FALSE END AS IS_PRIMARY_KEY
+        , C.COLUMN_DEFAULT AS DEFAULT_VALUE
+        , C.CHARACTER_MAXIMUM_LENGTH AS MAX_LENGTH
+        , C.NUMERIC_PRECISION
+        , C.NUMERIC_SCALE
+        , COALESCE(TTC.CODE_CATEGORY, CL.CODE_CATEGORY) AS CODE_CATEGORY
+        , COALESCE(TTC.CODE_VALUE, CL.CODE_VALUE) AS CODE_VALUE
+        , COALESCE(TTC.REFERENCE_TABLE, CL.REFERENCE_TABLE) AS REFERENCE_TABLE
+        , COALESCE(TTC.REFERENCE_COLUMN, CL.REFERENCE_COLUMN) AS REFERENCE_COLUMN
+        , COALESCE(TTC.DISPLAY_COLUMN, CL.DISPLAY_COLUMN) AS DISPLAY_COLUMN
+        , COALESCE(TTC.DISPLAY_ORDER, CL.DISPLAY_ORDER) AS DISPLAY_ORDER
+        , COALESCE(TTC.IS_VISIBLE, CL.IS_VISIBLE) AS IS_VISIBLE
+        , DCL.COLUMN_LABEL AS DISPLAY_COLUMN_LABEL
     FROM INFORMATION_SCHEMA.COLUMNS C
     LEFT JOIN TABLE_TYPE_COLUMNS CL
       ON C.TABLE_NAME = CL.TABLE_NAME AND C.COLUMN_NAME = CL.COLUMN_NAME AND CL.COMPANY_CODE = '*'
@@ -148,27 +148,27 @@
   ═══════════════════════════════════════════════════ -->
   <select id="getTableSchemaList" parameterType="map" resultType="map">
     SELECT
-        C.COLUMN_NAME AS "columnName"
-        , C.COLUMN_NAME AS "displayName"
-        , C.DATA_TYPE AS "dataType"
-        , C.UDT_NAME AS "dbType"
-        , C.IS_NULLABLE AS "isNullable"
-        , C.COLUMN_DEFAULT AS "defaultValue"
-        , C.CHARACTER_MAXIMUM_LENGTH AS "maxLength"
-        , C.NUMERIC_PRECISION AS "numericPrecision"
-        , C.NUMERIC_SCALE AS "numericScale"
+        C.COLUMN_NAME
+        , C.COLUMN_NAME AS DISPLAY_NAME
+        , C.DATA_TYPE
+        , C.UDT_NAME AS DB_TYPE
+        , C.IS_NULLABLE
+        , C.COLUMN_DEFAULT AS DEFAULT_VALUE
+        , C.CHARACTER_MAXIMUM_LENGTH AS MAX_LENGTH
+        , C.NUMERIC_PRECISION
+        , C.NUMERIC_SCALE
         , CASE
             WHEN C.COLUMN_NAME IN (
               SELECT KCU.COLUMN_NAME FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE KCU
               WHERE KCU.TABLE_NAME = #{table_name} AND KCU.CONSTRAINT_NAME LIKE '%_pkey'
             ) THEN TRUE ELSE FALSE
-          END AS "isPrimaryKey"
+          END AS IS_PRIMARY_KEY
         , COL_DESCRIPTION(
             (SELECT OID FROM PG_CLASS
              WHERE RELNAME = #{table_name}
                AND RELNAMESPACE = (SELECT OID FROM PG_NAMESPACE WHERE NSPNAME = 'public')),
             C.ORDINAL_POSITION
-          ) AS "columnComment"
+          ) AS COLUMN_COMMENT
     FROM INFORMATION_SCHEMA.COLUMNS C
     WHERE C.TABLE_NAME = #{table_name}
       AND C.TABLE_SCHEMA = 'public'
@@ -184,7 +184,7 @@
       WHERE TABLE_NAME = #{table_name}
         AND TABLE_SCHEMA = 'public'
         AND TABLE_TYPE = 'BASE TABLE'
-    ) AS "exists"
+    ) AS EXISTS
   </select>
 
   <!-- ═══════════════════════════════════════════════════
@@ -192,11 +192,11 @@
   ═══════════════════════════════════════════════════ -->
   <select id="getTableLabelInfo" parameterType="map" resultType="map">
     SELECT
-        TABLE_NAME AS "tableName"
-        , TABLE_LABEL AS "tableLabel"
+        TABLE_NAME
+        , TABLE_LABEL
         , DESCRIPTION
-        , CREATED_DATE AS "createdDate"
-        , UPDATED_DATE AS "updatedDate"
+        , CREATED_DATE
+        , UPDATED_DATE
     FROM TABLE_LABELS
     WHERE TABLE_NAME = #{table_name}
   </select>
@@ -245,20 +245,20 @@
   <select id="getColumnLabelInfo" parameterType="map" resultType="map">
     SELECT
         ID
-        , TABLE_NAME AS "tableName"
-        , COLUMN_NAME AS "columnName"
-        , COLUMN_LABEL AS "columnLabel"
-        , INPUT_TYPE AS "webType"
-        , DETAIL_SETTINGS::TEXT AS "detailSettings"
+        , TABLE_NAME
+        , COLUMN_NAME
+        , COLUMN_LABEL
+        , INPUT_TYPE AS WEB_TYPE
+        , DETAIL_SETTINGS::TEXT AS DETAIL_SETTINGS
         , DESCRIPTION
-        , DISPLAY_ORDER AS "displayOrder"
-        , IS_VISIBLE AS "isVisible"
-        , CODE_CATEGORY AS "codeCategory"
-        , CODE_VALUE AS "codeValue"
-        , REFERENCE_TABLE AS "referenceTable"
-        , REFERENCE_COLUMN AS "referenceColumn"
-        , CREATED_DATE AS "createdDate"
-        , UPDATED_DATE AS "updatedDate"
+        , DISPLAY_ORDER
+        , IS_VISIBLE
+        , CODE_CATEGORY
+        , CODE_VALUE
+        , REFERENCE_TABLE
+        , REFERENCE_COLUMN
+        , CREATED_DATE
+        , UPDATED_DATE
     FROM TABLE_TYPE_COLUMNS
     WHERE TABLE_NAME = #{table_name}
       AND COLUMN_NAME = #{column_name}
@@ -365,14 +365,14 @@
   ═══════════════════════════════════════════════════ -->
   <select id="getColumnInputTypeList" parameterType="map" resultType="map">
     SELECT DISTINCT ON (TTC.COLUMN_NAME)
-        TTC.COLUMN_NAME AS "columnName"
-        , COALESCE(TTC.COLUMN_LABEL, TTC.COLUMN_NAME) AS "displayName"
-        , TTC.INPUT_TYPE AS "inputType"
-        , COALESCE(TTC.DETAIL_SETTINGS::TEXT, '{}') AS "detailSettings"
-        , TTC.IS_NULLABLE AS "isNullable"
-        , IC.DATA_TYPE AS "dataType"
-        , TTC.COMPANY_CODE AS "companyCode"
-        , TTC.CATEGORY_REF AS "categoryRef"
+        TTC.COLUMN_NAME
+        , COALESCE(TTC.COLUMN_LABEL, TTC.COLUMN_NAME) AS DISPLAY_NAME
+        , TTC.INPUT_TYPE
+        , COALESCE(TTC.DETAIL_SETTINGS::TEXT, '{}') AS DETAIL_SETTINGS
+        , TTC.IS_NULLABLE
+        , IC.DATA_TYPE
+        , TTC.COMPANY_CODE
+        , TTC.CATEGORY_REF
     FROM TABLE_TYPE_COLUMNS TTC
     LEFT JOIN INFORMATION_SCHEMA.COLUMNS IC
       ON TTC.TABLE_NAME = IC.TABLE_NAME AND TTC.COLUMN_NAME = IC.COLUMN_NAME
@@ -521,12 +521,12 @@
   ═══════════════════════════════════════════════════ -->
   <select id="getCategoryColumnListByCompany" parameterType="map" resultType="map">
     SELECT DISTINCT ON (TTC.TABLE_NAME, TTC.COLUMN_NAME)
-        TTC.TABLE_NAME  AS "tableName"
-        , TTC.COLUMN_NAME AS "columnName"
-        , COALESCE(TTC.COLUMN_LABEL, TTC.COLUMN_NAME) AS "columnLabel"
-        , TTC.CATEGORY_REF AS "categoryRef"
-        , TTC.COMPANY_CODE AS "companyCode"
-        , TL.TABLE_LABEL AS "tableLabel"
+        TTC.TABLE_NAME
+        , TTC.COLUMN_NAME
+        , COALESCE(TTC.COLUMN_LABEL, TTC.COLUMN_NAME) AS COLUMN_LABEL
+        , TTC.CATEGORY_REF
+        , TTC.COMPANY_CODE
+        , TL.TABLE_LABEL
     FROM TABLE_TYPE_COLUMNS TTC
     LEFT JOIN TABLE_LABELS TL
       ON TTC.TABLE_NAME = TL.TABLE_NAME
@@ -541,11 +541,11 @@
   ═══════════════════════════════════════════════════ -->
   <select id="getNumberingColumnListByCompany" parameterType="map" resultType="map">
     SELECT DISTINCT ON (TTC.TABLE_NAME, TTC.COLUMN_NAME)
-        TTC.TABLE_NAME  AS "tableName"
-        , TTC.COLUMN_NAME AS "columnName"
-        , COALESCE(TTC.COLUMN_LABEL, TTC.COLUMN_NAME) AS "columnLabel"
-        , TTC.COMPANY_CODE AS "companyCode"
-        , TL.TABLE_LABEL AS "tableLabel"
+        TTC.TABLE_NAME
+        , TTC.COLUMN_NAME
+        , COALESCE(TTC.COLUMN_LABEL, TTC.COLUMN_NAME) AS COLUMN_LABEL
+        , TTC.COMPANY_CODE
+        , TL.TABLE_LABEL
     FROM TABLE_TYPE_COLUMNS TTC
     LEFT JOIN TABLE_LABELS TL
       ON TTC.TABLE_NAME = TL.TABLE_NAME
@@ -560,11 +560,11 @@
   ═══════════════════════════════════════════════════ -->
   <select id="getCategoryColumnListByMenu" parameterType="map" resultType="map">
     SELECT DISTINCT ON (TTC.TABLE_NAME, TTC.COLUMN_NAME)
-        TTC.TABLE_NAME  AS "tableName"
-        , TTC.COLUMN_NAME AS "columnName"
-        , COALESCE(TTC.COLUMN_LABEL, TTC.COLUMN_NAME) AS "columnLabel"
-        , TTC.CATEGORY_REF AS "categoryRef"
-        , CCM.MENU_OBJID AS "menuObjid"
+        TTC.TABLE_NAME
+        , TTC.COLUMN_NAME
+        , COALESCE(TTC.COLUMN_LABEL, TTC.COLUMN_NAME) AS COLUMN_LABEL
+        , TTC.CATEGORY_REF
+        , CCM.MENU_OBJID
     FROM TABLE_TYPE_COLUMNS TTC
     JOIN CATEGORY_COLUMN_MAPPING CCM
       ON TTC.TABLE_NAME = CCM.TABLE_NAME
@@ -582,11 +582,11 @@
   ═══════════════════════════════════════════════════ -->
   <select id="getEntityRelationList" parameterType="map" resultType="map">
     SELECT
-        LEFT_COL.COLUMN_NAME AS "leftColumn"
-        , LEFT_COL.REFERENCE_TABLE AS "rightTable"
-        , LEFT_COL.REFERENCE_COLUMN AS "rightColumn"
-        , LEFT_COL.DISPLAY_COLUMN AS "displayColumn"
-        , COALESCE(LEFT_COL.COLUMN_LABEL, LEFT_COL.COLUMN_NAME) AS "columnLabel"
+        LEFT_COL.COLUMN_NAME AS LEFT_COLUMN
+        , LEFT_COL.REFERENCE_TABLE AS RIGHT_TABLE
+        , LEFT_COL.REFERENCE_COLUMN AS RIGHT_COLUMN
+        , LEFT_COL.DISPLAY_COLUMN
+        , COALESCE(LEFT_COL.COLUMN_LABEL, LEFT_COL.COLUMN_NAME) AS COLUMN_LABEL
     FROM TABLE_TYPE_COLUMNS LEFT_COL
     WHERE LEFT_COL.TABLE_NAME = #{left_table}
       AND LEFT_COL.REFERENCE_TABLE = #{right_table}
@@ -600,12 +600,12 @@
   ═══════════════════════════════════════════════════ -->
   <select id="getReferencedByTableList" parameterType="map" resultType="map">
     SELECT DISTINCT
-        TTC.TABLE_NAME  AS "tableName"
-        , TTC.COLUMN_NAME AS "columnName"
-        , COALESCE(TTC.COLUMN_LABEL, TTC.COLUMN_NAME) AS "columnLabel"
-        , TTC.REFERENCE_COLUMN AS "referenceColumn"
-        , TTC.DISPLAY_COLUMN AS "displayColumn"
-        , COALESCE(TL.TABLE_LABEL, TTC.TABLE_NAME) AS "tableLabel"
+        TTC.TABLE_NAME
+        , TTC.COLUMN_NAME
+        , COALESCE(TTC.COLUMN_LABEL, TTC.COLUMN_NAME) AS COLUMN_LABEL
+        , TTC.REFERENCE_COLUMN
+        , TTC.DISPLAY_COLUMN
+        , COALESCE(TL.TABLE_LABEL, TTC.TABLE_NAME) AS TABLE_LABEL
     FROM TABLE_TYPE_COLUMNS TTC
     LEFT JOIN TABLE_LABELS TL
       ON TTC.TABLE_NAME = TL.TABLE_NAME
@@ -620,11 +620,11 @@
   ═══════════════════════════════════════════════════ -->
   <select id="getLogConfigInfo" parameterType="map" resultType="map">
     SELECT
-        TABLE_NAME AS "tableName"
-        , IS_ACTIVE AS "isActive"
-        , LOG_COLUMNS AS "logColumns"
-        , CREATED_DATE AS "createdDate"
-        , UPDATED_DATE AS "updatedDate"
+        TABLE_NAME
+        , IS_ACTIVE
+        , LOG_COLUMNS
+        , CREATED_DATE
+        , UPDATED_DATE
     FROM LOG_TABLES
     WHERE TABLE_NAME = #{table_name}
   </select>
@@ -655,8 +655,8 @@
   ═══════════════════════════════════════════════════ -->
   <select id="checkDatabaseConnection" resultType="map">
     SELECT
-        1 AS "result"
-        , NOW() AS "timestamp"
+        1 AS RESULT
+        , NOW() AS TIMESTAMP
   </select>
 
   <!-- ═══════════════════════════════════════════════════
diff --git a/frontend/app/(main)/admin/systemMng/tableMngList/page.tsx b/frontend/app/(main)/admin/systemMng/tableMngList/page.tsx
index 71423ffb..6535b3bf 100644
--- a/frontend/app/(main)/admin/systemMng/tableMngList/page.tsx
+++ b/frontend/app/(main)/admin/systemMng/tableMngList/page.tsx
@@ -118,7 +118,7 @@ export default function TableManagementPage() {
   // PK/인덱스 관리 상태
   const [constraints, setConstraints] = useState<{
     primaryKey: { name: string; columns: string[] };
-    indexes: Array<{ name: string; columns: string[]; isUnique: boolean }>;
+    indexes: Array<{ name: string; columns: string[]; is_unique: boolean }>;
   }>({ primaryKey: { name: "", columns: [] }, indexes: [] });
   const [pkDialogOpen, setPkDialogOpen] = useState(false);
   const [pendingPkColumns, setPendingPkColumns] = useState<string[]>([]);
@@ -217,11 +217,11 @@ export default function TableManagementPage() {
   const referenceTableOptions = [
     { value: "none", label: getTextFromUI(TABLE_MANAGEMENT_KEYS.LABEL_NONE, "선택 안함") },
     ...tables.map((table) => ({
-      value: table.tableName,
+      value: table.table_name,
       label:
-        table.displayName && table.displayName !== table.tableName
-          ? `${table.displayName} (${table.tableName})`
-          : table.tableName,
+        table.display_name && table.display_name !== table.table_name
+          ? `${table.display_name} (${table.table_name})`
+          : table.table_name,
     })),
   ];
 
@@ -317,21 +317,21 @@ export default function TableManagementPage() {
         console.log("📥 원본 API 응답:", {
           hasColumns: !!(data.columns || data),
           firstColumn: (data.columns || data)[0],
-          statusColumn: (data.columns || data).find((col: any) => col.columnName === "status"),
+          statusColumn: (data.columns || data).find((col: any) => col.column_name === "status"),
         });
 
         // 컬럼 데이터에 기본값 설정
         const processedColumns = (data.columns || data).map((col: any) => {
           let hierarchyRole: "large" | "medium" | "small" | undefined = undefined;
-          if (col.detailSettings && typeof col.detailSettings === "string") {
+          if (col.detail_settings && typeof col.detail_settings === "string") {
             try {
-              const parsed = JSON.parse(col.detailSettings);
+              const parsed = JSON.parse(col.detail_settings);
               if (
-                parsed.hierarchyRole === "large" ||
-                parsed.hierarchyRole === "medium" ||
-                parsed.hierarchyRole === "small"
+                parsed.hierarchy_role === "large" ||
+                parsed.hierarchy_role === "medium" ||
+                parsed.hierarchy_role === "small"
               ) {
-                hierarchyRole = parsed.hierarchyRole;
+                hierarchyRole = parsed.hierarchy_role;
               }
             } catch {
               // JSON 파싱 실패 시 무시
@@ -340,11 +340,11 @@ export default function TableManagementPage() {
 
           return {
             ...col,
-            inputType: col.inputType || "text",
-            isUnique: col.isUnique || "NO",
-            categoryMenus: col.categoryMenus || [],
-            hierarchyRole,
-            categoryRef: col.categoryRef || null,
+            input_type: col.input_type || "text",
+            is_unique: col.is_unique || "NO",
+            category_menus: col.category_menus || [],
+            hierarchy_role: hierarchyRole,
+            category_ref: col.category_ref || null,
           };
         });
 
@@ -395,8 +395,8 @@ export default function TableManagementPage() {
       setTypeFilter(null);
 
       // 선택된 테이블 정보에서 라벨 설정
-      const tableInfo = tables.find((table) => table.tableName === tableName);
-      setTableLabel(tableInfo?.displayName || tableName);
+      const tableInfo = tables.find((table) => table.table_name === tableName);
+      setTableLabel(tableInfo?.display_name || tableName);
       setTableDescription(tableInfo?.description || "");
 
       loadColumnTypes(tableName, 1, pageSize);
@@ -410,31 +410,31 @@ export default function TableManagementPage() {
     (columnName: string, newInputType: string) => {
       setColumns((prev) =>
         prev.map((col) => {
-          if (col.columnName === columnName) {
+          if (col.column_name === columnName) {
             const inputTypeOption = memoizedInputTypeOptions.find((option) => option.value === newInputType);
             const updated: typeof col = {
               ...col,
-              inputType: newInputType,
-              detailSettings: inputTypeOption?.description || col.detailSettings,
+              input_type: newInputType,
+              detail_settings: inputTypeOption?.description || col.detail_settings,
             };
 
             // 엔티티가 아닌 타입으로 변경 시 참조 설정 초기화
             if (newInputType !== "entity") {
-              updated.referenceTable = undefined;
-              updated.referenceColumn = undefined;
-              updated.displayColumn = undefined;
+              updated.reference_table = undefined;
+              updated.reference_column = undefined;
+              updated.display_column = undefined;
             }
 
             // 코드가 아닌 타입으로 변경 시 코드 설정 초기화
             if (newInputType !== "code") {
-              updated.codeCategory = undefined;
-              updated.codeValue = undefined;
-              updated.hierarchyRole = undefined;
+              updated.code_category = undefined;
+              updated.code_value = undefined;
+              updated.hierarchy_role = undefined;
             }
 
             // 카테고리가 아닌 타입으로 변경 시 카테고리 참조 초기화
             if (newInputType !== "category") {
-              updated.categoryRef = undefined;
+              updated.category_ref = undefined;
             }
 
             return updated;
@@ -451,14 +451,14 @@ export default function TableManagementPage() {
     (columnName: string, settingType: string, value: string) => {
       setColumns((prev) =>
         prev.map((col) => {
-          if (col.columnName === columnName) {
-            let newDetailSettings = col.detailSettings;
-            let codeCategory = col.codeCategory;
-            let codeValue = col.codeValue;
-            let referenceTable = col.referenceTable;
-            let referenceColumn = col.referenceColumn;
-            let displayColumn = col.displayColumn;
-            let hierarchyRole = col.hierarchyRole;
+          if (col.column_name === columnName) {
+            let newDetailSettings = col.detail_settings;
+            let codeCategory = col.code_category;
+            let codeValue = col.code_value;
+            let referenceTable = col.reference_table;
+            let referenceColumn = col.reference_column;
+            let displayColumn = col.display_column;
+            let hierarchyRole = col.hierarchy_role;
 
             if (settingType === "code") {
               if (value === "none") {
@@ -470,8 +470,8 @@ export default function TableManagementPage() {
                 // 기존 hierarchyRole 유지하면서 JSON 형식으로 저장
                 const existingHierarchyRole = hierarchyRole;
                 newDetailSettings = JSON.stringify({
-                  codeCategory: value,
-                  hierarchyRole: existingHierarchyRole,
+                  code_category: value,
+                  hierarchy_role: existingHierarchyRole,
                 });
                 codeCategory = value;
                 codeValue = value;
@@ -481,16 +481,16 @@ export default function TableManagementPage() {
               hierarchyRole = value === "none" ? undefined : (value as "large" | "medium" | "small");
               // detailSettings를 JSON으로 업데이트
               let existingSettings: Record<string, any> = {};
-              if (typeof col.detailSettings === "string" && col.detailSettings.trim().startsWith("{")) {
+              if (typeof col.detail_settings === "string" && col.detail_settings.trim().startsWith("{")) {
                 try {
-                  existingSettings = JSON.parse(col.detailSettings);
+                  existingSettings = JSON.parse(col.detail_settings);
                 } catch {
                   existingSettings = {};
                 }
               }
               newDetailSettings = JSON.stringify({
                 ...existingSettings,
-                hierarchyRole: hierarchyRole,
+                hierarchy_role: hierarchyRole,
               });
             } else if (settingType === "entity") {
               if (value === "none") {
@@ -504,31 +504,31 @@ export default function TableManagementPage() {
                 referenceTable = value;
                 // 🎯 참조 컬럼을 소스 컬럼명과 동일하게 설정 (일반적인 경우)
                 // 예: user_info.dept_code -> dept_info.dept_code
-                referenceColumn = col.columnName;
+                referenceColumn = col.column_name;
                 // 참조 테이블의 컬럼 정보 로드
                 loadReferenceTableColumns(value);
               }
             } else if (settingType === "entity_reference_column") {
               // 🎯 Entity 참조 컬럼 변경 (조인할 컬럼)
               referenceColumn = value;
-              const tableOption = referenceTableOptions.find((option) => option.value === col.referenceTable);
+              const tableOption = referenceTableOptions.find((option) => option.value === col.reference_table);
               newDetailSettings = tableOption ? `참조테이블: ${tableOption.label}` : "";
             } else if (settingType === "entity_display_column") {
               // 🎯 Entity 표시 컬럼 변경
               displayColumn = value;
-              const tableOption = referenceTableOptions.find((option) => option.value === col.referenceTable);
+              const tableOption = referenceTableOptions.find((option) => option.value === col.reference_table);
               newDetailSettings = tableOption ? `참조테이블: ${tableOption.label} (${value})` : "";
             }
 
             return {
               ...col,
-              detailSettings: newDetailSettings,
-              codeCategory,
-              codeValue,
-              referenceTable,
-              referenceColumn,
-              displayColumn,
-              hierarchyRole,
+              detail_settings: newDetailSettings,
+              code_category: codeCategory,
+              code_value: codeValue,
+              reference_table: referenceTable,
+              reference_column: referenceColumn,
+              display_column: displayColumn,
+              hierarchy_role: hierarchyRole,
             };
           }
           return col;
@@ -542,10 +542,10 @@ export default function TableManagementPage() {
   const handleLabelChange = useCallback((columnName: string, newLabel: string) => {
     setColumns((prev) =>
       prev.map((col) => {
-        if (col.columnName === columnName) {
+        if (col.column_name === columnName) {
           return {
             ...col,
-            displayName: newLabel,
+            display_name: newLabel,
           };
         }
         return col;
@@ -574,14 +574,14 @@ export default function TableManagementPage() {
 
     try {
       // 🎯 Entity 타입인 경우 detailSettings에 엔티티 설정을 JSON으로 포함
-      let finalDetailSettings = column.detailSettings || "";
+      let finalDetailSettings = column.detail_settings || "";
 
-      if (column.inputType === "entity" && column.referenceTable) {
+      if (column.input_type === "entity" && column.reference_table) {
         // 기존 detailSettings를 파싱하거나 새로 생성
         let existingSettings: Record<string, unknown> = {};
-        if (typeof column.detailSettings === "string" && column.detailSettings.trim().startsWith("{")) {
+        if (typeof column.detail_settings === "string" && column.detail_settings.trim().startsWith("{")) {
           try {
-            existingSettings = JSON.parse(column.detailSettings);
+            existingSettings = JSON.parse(column.detail_settings);
           } catch {
             existingSettings = {};
           }
@@ -590,9 +590,9 @@ export default function TableManagementPage() {
         // 엔티티 설정 추가
         const entitySettings = {
           ...existingSettings,
-          entityTable: column.referenceTable,
-          entityCodeColumn: column.referenceColumn || "id",
-          entityLabelColumn: column.displayColumn || "name",
+          entityTable: column.reference_table,
+          entityCodeColumn: column.reference_column || "id",
+          entityLabelColumn: column.display_column || "name",
           placeholder: (existingSettings.placeholder as string) || "항목을 선택하세요",
           searchable: existingSettings.searchable ?? true,
         };
@@ -602,7 +602,7 @@ export default function TableManagementPage() {
       }
 
       // 🎯 Code 타입인 경우 hierarchyRole을 detailSettings에 포함
-      if (column.inputType === "code" && column.hierarchyRole) {
+      if (column.input_type === "code" && column.hierarchy_role) {
         let existingSettings: Record<string, unknown> = {};
         if (typeof finalDetailSettings === "string" && finalDetailSettings.trim().startsWith("{")) {
           try {
@@ -614,7 +614,7 @@ export default function TableManagementPage() {
 
         const codeSettings = {
           ...existingSettings,
-          hierarchyRole: column.hierarchyRole,
+          hierarchy_role: column.hierarchy_role,
         };
 
         finalDetailSettings = JSON.stringify(codeSettings);
@@ -622,26 +622,26 @@ export default function TableManagementPage() {
       }
 
       const columnSetting = {
-        columnName: column.columnName,
-        columnLabel: column.displayName,
-        inputType: column.inputType || "text",
-        detailSettings: finalDetailSettings,
-        codeCategory: column.codeCategory || "",
-        codeValue: column.codeValue || "",
-        referenceTable: column.referenceTable || "",
-        referenceColumn: column.referenceColumn || "",
-        displayColumn: column.displayColumn || "",
-        categoryRef: column.categoryRef || null,
+        column_name: column.column_name,
+        column_label: column.display_name,
+        input_type: column.input_type || "text",
+        detail_settings: finalDetailSettings,
+        code_category: column.code_category || "",
+        code_value: column.code_value || "",
+        reference_table: column.reference_table || "",
+        reference_column: column.reference_column || "",
+        display_column: column.display_column || "",
+        category_ref: column.category_ref || null,
       };
 
       // console.log("저장할 컬럼 설정:", columnSetting);
 
       console.log("💾 저장할 컬럼 정보:", {
-        columnName: column.columnName,
-        inputType: column.inputType,
-        categoryMenus: column.categoryMenus,
-        hasCategoryMenus: !!column.categoryMenus,
-        categoryMenusLength: column.categoryMenus?.length || 0,
+        columnName: column.column_name,
+        inputType: column.input_type,
+        categoryMenus: column.category_menus,
+        hasCategoryMenus: !!column.category_menus,
+        categoryMenusLength: column.category_menus?.length || 0,
       });
 
       const response = await apiClient.post(`/table-management/tables/${selectedTable}/columns/settings`, [
@@ -653,44 +653,44 @@ export default function TableManagementPage() {
 
         // 🆕 Category 타입인 경우 컬럼 매핑 처리
         console.log("🔍 카테고리 조건 체크:", {
-          isCategory: column.inputType === "category",
-          hasCategoryMenus: !!column.categoryMenus,
-          length: column.categoryMenus?.length || 0,
+          isCategory: column.input_type === "category",
+          hasCategoryMenus: !!column.category_menus,
+          length: column.category_menus?.length || 0,
         });
 
-        if (column.inputType === "category" && !column.categoryRef) {
+        if (column.input_type === "category" && !column.category_ref) {
           // 참조가 아닌 자체 카테고리만 메뉴 매핑 처리
           console.log("기존 카테고리 메뉴 매핑 삭제 시작:", {
             tableName: selectedTable,
-            columnName: column.columnName,
+            columnName: column.column_name,
           });
 
           try {
-            const deleteResponse = await deleteColumnMappingsByColumn(selectedTable, column.columnName);
+            const deleteResponse = await deleteColumnMappingsByColumn(selectedTable, column.column_name);
             console.log("🗑️ 기존 매핑 삭제 결과:", deleteResponse);
           } catch (error) {
             console.error("❌ 기존 매핑 삭제 실패:", error);
           }
 
           // 2. 새로운 매핑 추가 (선택된 메뉴가 있는 경우만)
-          if (column.categoryMenus && column.categoryMenus.length > 0) {
+          if (column.category_menus && column.category_menus.length > 0) {
             console.log("📥 카테고리 메뉴 매핑 시작:", {
-              columnName: column.columnName,
-              categoryMenus: column.categoryMenus,
-              count: column.categoryMenus.length,
+              columnName: column.column_name,
+              categoryMenus: column.category_menus,
+              count: column.category_menus.length,
             });
 
             let successCount = 0;
             let failCount = 0;
 
-            for (const menuObjid of column.categoryMenus) {
+            for (const menuObjid of column.category_menus) {
               try {
                 const mappingResponse = await createColumnMapping({
                   tableName: selectedTable,
-                  logicalColumnName: column.columnName,
-                  physicalColumnName: column.columnName,
+                  logicalColumnName: column.column_name,
+                  physicalColumnName: column.column_name,
                   menuObjid,
-                  description: `${column.displayName} (메뉴별 카테고리)`,
+                  description: `${column.display_name} (메뉴별 카테고리)`,
                 });
 
                 if (mappingResponse.success) {
@@ -720,7 +720,7 @@ export default function TableManagementPage() {
         }
 
         // 원본 데이터 업데이트
-        setOriginalColumns((prev) => prev.map((col) => (col.columnName === column.columnName ? column : col)));
+        setOriginalColumns((prev) => prev.map((col) => (col.column_name === column.column_name ? column : col)));
 
         // 저장 후 데이터 확인을 위해 다시 로드
         setTimeout(() => {
@@ -762,10 +762,10 @@ export default function TableManagementPage() {
       if (columns.length > 0) {
         const columnSettings = columns.map((column) => {
           // detailSettings 계산
-          let finalDetailSettings = column.detailSettings || "";
+          let finalDetailSettings = column.detail_settings || "";
 
           // 🆕 Entity 타입인 경우 detailSettings에 엔티티 설정 포함
-          if (column.inputType === "entity" && column.referenceTable) {
+          if (column.input_type === "entity" && column.reference_table) {
             let existingSettings: Record<string, unknown> = {};
             if (typeof finalDetailSettings === "string" && finalDetailSettings.trim().startsWith("{")) {
               try {
@@ -776,15 +776,15 @@ export default function TableManagementPage() {
             }
             const entitySettings = {
               ...existingSettings,
-              entityTable: column.referenceTable,
-              entityCodeColumn: column.referenceColumn || "id",
-              entityLabelColumn: column.displayColumn || "name",
+              entityTable: column.reference_table,
+              entityCodeColumn: column.reference_column || "id",
+              entityLabelColumn: column.display_column || "name",
             };
             finalDetailSettings = JSON.stringify(entitySettings);
           }
 
           // 🆕 Code 타입인 경우 hierarchyRole을 detailSettings에 포함
-          if (column.inputType === "code" && column.hierarchyRole) {
+          if (column.input_type === "code" && column.hierarchy_role) {
             let existingSettings: Record<string, unknown> = {};
             if (typeof finalDetailSettings === "string" && finalDetailSettings.trim().startsWith("{")) {
               try {
@@ -795,23 +795,23 @@ export default function TableManagementPage() {
             }
             const codeSettings = {
               ...existingSettings,
-              hierarchyRole: column.hierarchyRole,
+              hierarchy_role: column.hierarchy_role,
             };
             finalDetailSettings = JSON.stringify(codeSettings);
           }
 
           return {
-            columnName: column.columnName,
-            columnLabel: column.displayName,
-            inputType: column.inputType || "text",
-            detailSettings: finalDetailSettings,
+            column_name: column.column_name,
+            column_label: column.display_name,
+            input_type: column.input_type || "text",
+            detail_settings: finalDetailSettings,
             description: column.description || "",
-            codeCategory: column.codeCategory || "",
-            codeValue: column.codeValue || "",
-            referenceTable: column.referenceTable || "",
-            referenceColumn: column.referenceColumn || "",
-            displayColumn: column.displayColumn || "",
-            categoryRef: column.categoryRef || null,
+            code_category: column.code_category || "",
+            code_value: column.code_value || "",
+            reference_table: column.reference_table || "",
+            reference_column: column.reference_column || "",
+            display_column: column.display_column || "",
+            category_ref: column.category_ref || null,
           };
         });
 
@@ -825,14 +825,14 @@ export default function TableManagementPage() {
 
         if (response.data.success) {
           // 자체 카테고리 컬럼만 메뉴 매핑 처리 (참조 컬럼 제외)
-          const categoryColumns = columns.filter((col) => col.inputType === "category" && !col.categoryRef);
+          const categoryColumns = columns.filter((col) => col.input_type === "category" && !col.category_ref);
 
           console.log("📥 전체 저장: 카테고리 컬럼 확인", {
             totalColumns: columns.length,
             categoryColumns: categoryColumns.length,
             categoryColumnsData: categoryColumns.map((col) => ({
-              columnName: col.columnName,
-              categoryMenus: col.categoryMenus,
+              columnName: col.column_name,
+              categoryMenus: col.category_menus,
             })),
           });
 
@@ -844,32 +844,32 @@ export default function TableManagementPage() {
               // 1. 먼저 기존 매핑 모두 삭제
               console.log("🗑️ 기존 카테고리 메뉴 매핑 삭제:", {
                 tableName: selectedTable,
-                columnName: column.columnName,
+                columnName: column.column_name,
               });
 
               try {
-                const deleteResponse = await deleteColumnMappingsByColumn(selectedTable, column.columnName);
+                const deleteResponse = await deleteColumnMappingsByColumn(selectedTable, column.column_name);
                 console.log("🗑️ 기존 매핑 삭제 결과:", deleteResponse);
               } catch (error) {
                 console.error("❌ 기존 매핑 삭제 실패:", error);
               }
 
               // 2. 새로운 매핑 추가 (선택된 메뉴가 있는 경우만)
-              if (column.categoryMenus && column.categoryMenus.length > 0) {
-                for (const menuObjid of column.categoryMenus) {
+              if (column.category_menus && column.category_menus.length > 0) {
+                for (const menuObjid of column.category_menus) {
                   try {
                     console.log("🔄 매핑 API 호출:", {
                       tableName: selectedTable,
-                      columnName: column.columnName,
+                      columnName: column.column_name,
                       menuObjid,
                     });
 
                     const mappingResponse = await createColumnMapping({
                       tableName: selectedTable,
-                      logicalColumnName: column.columnName,
-                      physicalColumnName: column.columnName,
+                      logicalColumnName: column.column_name,
+                      physicalColumnName: column.column_name,
                       menuObjid,
-                      description: `${column.displayName} (메뉴별 카테고리)`,
+                      description: `${column.display_name} (메뉴별 카테고리)`,
                     });
 
                     console.log("✅ 매핑 API 응답:", mappingResponse);
@@ -950,13 +950,13 @@ export default function TableManagementPage() {
   const filteredTables = useMemo(() => {
     const filtered = tables.filter(
       (table) =>
-        table.tableName.toLowerCase().includes(searchTerm.toLowerCase()) ||
-        table.displayName.toLowerCase().includes(searchTerm.toLowerCase()),
+        table.table_name.toLowerCase().includes(searchTerm.toLowerCase()) ||
+        table.display_name.toLowerCase().includes(searchTerm.toLowerCase()),
     );
     const isKorean = (str: string) => /^[가-힣ㄱ-ㅎ]/.test(str);
     return filtered.sort((a, b) => {
-      const nameA = a.displayName || a.tableName;
-      const nameB = b.displayName || b.tableName;
+      const nameA = a.display_name || a.table_name;
+      const nameB = b.display_name || b.table_name;
       const aKo = isKorean(nameA);
       const bKo = isKorean(nameB);
       if (aKo && !bKo) return -1;
@@ -966,7 +966,7 @@ export default function TableManagementPage() {
   }, [tables, searchTerm]);
 
   // 선택된 테이블 정보
-  const selectedTableInfo = tables.find((table) => table.tableName === selectedTable);
+  const selectedTableInfo = tables.find((table) => table.table_name === selectedTable);
 
   useEffect(() => {
     loadTables();
@@ -978,13 +978,13 @@ export default function TableManagementPage() {
   useEffect(() => {
     if (columns.length > 0) {
       const entityColumns = columns.filter(
-        (col) => col.inputType === "entity" && col.referenceTable && col.referenceTable !== "none",
+        (col) => col.input_type === "entity" && col.reference_table && col.reference_table !== "none",
       );
 
       entityColumns.forEach((col) => {
-        if (col.referenceTable) {
-          // console.log(`🎯 기존 Entity 컬럼 발견, 참조 테이블 컬럼 로드: ${col.columnName} -> ${col.referenceTable}`);
-          loadReferenceTableColumns(col.referenceTable);
+        if (col.reference_table) {
+          // console.log(`🎯 기존 Entity 컬럼 발견, 참조 테이블 컬럼 로드: ${col.column_name} -> ${col.reference_table}`);
+          loadReferenceTableColumns(col.reference_table);
         }
       });
     }
@@ -1073,7 +1073,7 @@ export default function TableManagementPage() {
     (columnName: string) => {
       const isPk = constraints.primaryKey.columns.includes(columnName);
       const hasIndex = constraints.indexes.some(
-        (idx) => !idx.isUnique && idx.columns.length === 1 && idx.columns[0] === columnName,
+        (idx) => !idx.is_unique && idx.columns.length === 1 && idx.columns[0] === columnName,
       );
       return { isPk, hasIndex };
     },
@@ -1095,8 +1095,8 @@ export default function TableManagementPage() {
           toast.success(response.data.message);
           setColumns((prev) =>
             prev.map((col) =>
-              col.columnName === columnName
-                ? { ...col, isUnique: newUnique ? "YES" : "NO" }
+              col.column_name === columnName
+                ? { ...col, is_unique: newUnique ? "YES" : "NO" }
                 : col,
             ),
           );
@@ -1133,8 +1133,8 @@ export default function TableManagementPage() {
           // 컬럼 상태 로컬 업데이트
           setColumns((prev) =>
             prev.map((col) =>
-              col.columnName === columnName
-                ? { ...col, isNullable: newNullable ? "YES" : "NO" }
+              col.column_name === columnName
+                ? { ...col, is_nullable: newNullable ? "YES" : "NO" }
                 : col,
             ),
           );
@@ -1211,10 +1211,10 @@ export default function TableManagementPage() {
     if (checked) {
       const filteredTables = tables.filter(
         (table) =>
-          table.tableName.toLowerCase().includes(searchTerm.toLowerCase()) ||
-          (table.displayName && table.displayName.toLowerCase().includes(searchTerm.toLowerCase())),
+          table.table_name.toLowerCase().includes(searchTerm.toLowerCase()) ||
+          (table.display_name && table.display_name.toLowerCase().includes(searchTerm.toLowerCase())),
       );
-      setSelectedTableIds(new Set(filteredTables.map((table) => table.tableName)));
+      setSelectedTableIds(new Set(filteredTables.map((table) => table.table_name)));
     } else {
       setSelectedTableIds(new Set());
     }
@@ -1377,7 +1377,7 @@ export default function TableManagementPage() {
                   <Checkbox
                     checked={
                       filteredTables.length > 0 &&
-                      filteredTables.every((table) => selectedTableIds.has(table.tableName))
+                      filteredTables.every((table) => selectedTableIds.has(table.table_name))
                     }
                     onCheckedChange={handleSelectAll}
                     aria-label="전체 선택"
@@ -1414,14 +1414,14 @@ export default function TableManagementPage() {
               </div>
             ) : (
               filteredTables.map((table, idx) => {
-                const isActive = selectedTable === table.tableName;
+                const isActive = selectedTable === table.table_name;
                 const prevTable = idx > 0 ? filteredTables[idx - 1] : null;
-                const isKo = /^[가-힣ㄱ-ㅎ]/.test(table.displayName || table.tableName);
-                const prevIsKo = prevTable ? /^[가-힣ㄱ-ㅎ]/.test(prevTable.displayName || prevTable.tableName) : null;
+                const isKo = /^[가-힣ㄱ-ㅎ]/.test(table.display_name || table.table_name);
+                const prevIsKo = prevTable ? /^[가-힣ㄱ-ㅎ]/.test(prevTable.display_name || prevTable.table_name) : null;
                 const showDivider = idx === 0 || (prevIsKo !== null && isKo !== prevIsKo);
 
                 return (
-                  <div key={table.tableName}>
+                  <div key={table.table_name}>
                     {showDivider && (
                       <div className="text-muted-foreground/60 mt-2 mb-1 px-2 text-[9px] font-bold uppercase tracking-widest">
                         {isKo ? "한글" : "ENGLISH"}
@@ -1434,13 +1434,13 @@ export default function TableManagementPage() {
                           ? "bg-accent text-foreground"
                           : "text-foreground/80 hover:bg-accent/50",
                       )}
-                      onClick={() => handleTableSelect(table.tableName)}
+                      onClick={() => handleTableSelect(table.table_name)}
                       role="button"
                       tabIndex={0}
                       onKeyDown={(e) => {
                         if (e.key === "Enter" || e.key === " ") {
                           e.preventDefault();
-                          handleTableSelect(table.tableName);
+                          handleTableSelect(table.table_name);
                         }
                       }}
                     >
@@ -1449,9 +1449,9 @@ export default function TableManagementPage() {
                       )}
                       {isSuperAdmin && (
                         <Checkbox
-                          checked={selectedTableIds.has(table.tableName)}
-                          onCheckedChange={(checked) => handleTableCheck(table.tableName, checked as boolean)}
-                          aria-label={`${table.displayName || table.tableName} 선택`}
+                          checked={selectedTableIds.has(table.table_name)}
+                          onCheckedChange={(checked) => handleTableCheck(table.table_name, checked as boolean)}
+                          aria-label={`${table.display_name || table.table_name} 선택`}
                           className="h-3.5 w-3.5 flex-shrink-0"
                           onClick={(e) => e.stopPropagation()}
                         />
@@ -1462,11 +1462,11 @@ export default function TableManagementPage() {
                             "truncate text-[16px] leading-tight",
                             isActive ? "font-bold" : "font-medium",
                           )}>
-                            {table.displayName || table.tableName}
+                            {table.display_name || table.table_name}
                           </span>
                         </div>
                         <div className="text-muted-foreground truncate font-mono text-[12px] leading-tight tracking-tight">
-                          {table.tableName}
+                          {table.table_name}
                         </div>
                       </div>
                       <span className={cn(
@@ -1475,7 +1475,7 @@ export default function TableManagementPage() {
                           ? "bg-primary/15 text-primary"
                           : "text-muted-foreground",
                       )}>
-                        {table.columnCount}
+                        {table.column_count}
                       </span>
                     </div>
                   </div>
@@ -1563,21 +1563,21 @@ export default function TableManagementPage() {
                     selectedColumn={selectedColumn}
                     onSelectColumn={setSelectedColumn}
                     onColumnChange={(columnName, field, value) => {
-                      if (field === "isUnique") {
-                        const currentColumn = columns.find((c) => c.columnName === columnName);
+                      if (field === "is_unique") {
+                        const currentColumn = columns.find((c) => c.column_name === columnName);
                         if (currentColumn) {
-                          handleUniqueToggle(columnName, currentColumn.isUnique || "NO");
+                          handleUniqueToggle(columnName, currentColumn.is_unique || "NO");
                         }
                         return;
                       }
-                      if (field === "isNullable") {
-                        const currentColumn = columns.find((c) => c.columnName === columnName);
+                      if (field === "is_nullable") {
+                        const currentColumn = columns.find((c) => c.column_name === columnName);
                         if (currentColumn) {
-                          handleNullableToggle(columnName, currentColumn.isNullable || "YES");
+                          handleNullableToggle(columnName, currentColumn.is_nullable || "YES");
                         }
                         return;
                       }
-                      const idx = columns.findIndex((c) => c.columnName === columnName);
+                      const idx = columns.findIndex((c) => c.column_name === columnName);
                       if (idx >= 0) handleColumnChange(idx, field, value);
                     }}
                     constraints={constraints}
@@ -1600,23 +1600,23 @@ export default function TableManagementPage() {
         {selectedColumn && (
           <div className="w-[380px] min-w-[380px] flex-shrink-0 overflow-hidden">
             <ColumnDetailPanel
-              column={columns.find((c) => c.columnName === selectedColumn) ?? null}
+              column={columns.find((c) => c.column_name === selectedColumn) ?? null}
               tables={tables}
               referenceTableColumns={referenceTableColumns}
               secondLevelMenus={secondLevelMenus}
               numberingRules={[]}
               onColumnChange={(field, value) => {
                 if (!selectedColumn) return;
-                if (field === "inputType") {
+                if (field === "input_type") {
                   handleInputTypeChange(selectedColumn, value as string);
                   return;
                 }
-                if (field === "referenceTable" && value) {
+                if (field === "reference_table" && value) {
                   loadReferenceTableColumns(value as string);
                 }
                 setColumns((prev) =>
                   prev.map((c) =>
-                    c.columnName === selectedColumn ? { ...c, [field]: value } : c,
+                    c.column_name === selectedColumn ? { ...c, [field]: value } : c,
                   ),
                 );
               }}
@@ -1648,11 +1648,11 @@ export default function TableManagementPage() {
                 // 테이블 목록 새로고침
                 await loadTables();
                 // 새로 생성된 테이블 자동 선택 및 컬럼 로드
-                if (result.data?.tableName) {
-                  setSelectedTable(result.data.tableName);
+                if (result.data?.table_name) {
+                  setSelectedTable(result.data.table_name);
                   setCurrentPage(1);
                   setColumns([]);
-                  await loadColumnTypes(result.data.tableName, 1, pageSize);
+                  await loadColumnTypes(result.data.table_name, 1, pageSize);
                 }
                 // 선택 초기화
                 setSelectedTableIds(new Set());
@@ -1789,11 +1789,11 @@ export default function TableManagementPage() {
                 {pendingPkColumns.length > 0 ? (
                   <div className="mt-2 flex flex-wrap gap-2">
                     {pendingPkColumns.map((col) => {
-                      const colInfo = columns.find((c) => c.columnName === col);
+                      const colInfo = columns.find((c) => c.column_name === col);
                       return (
                         <Badge key={col} variant="secondary" className="text-xs">
-                          {colInfo?.displayName && colInfo.displayName !== col
-                            ? `${colInfo.displayName} (${col})`
+                          {colInfo?.display_name && colInfo.display_name !== col
+                            ? `${colInfo.display_name} (${col})`
                             : col}
                         </Badge>
                       );
diff --git a/frontend/components/admin/table-type/ColumnDetailPanel.tsx b/frontend/components/admin/table-type/ColumnDetailPanel.tsx
index d5aec764..fc8da16b 100644
--- a/frontend/components/admin/table-type/ColumnDetailPanel.tsx
+++ b/frontend/components/admin/table-type/ColumnDetailPanel.tsx
@@ -53,22 +53,22 @@ export function ColumnDetailPanel({
   const [entityTableOpen, setEntityTableOpen] = React.useState(false);
   const [entityColumnOpen, setEntityColumnOpen] = React.useState(false);
 
-  const typeConf = column ? INPUT_TYPE_COLORS[column.inputType || "text"] : null;
-  const refColumns = column?.referenceTable
-    ? referenceTableColumns[column.referenceTable] ?? []
+  const typeConf = column ? INPUT_TYPE_COLORS[column.input_type || "text"] : null;
+  const refColumns = column?.reference_table
+    ? referenceTableColumns[column.reference_table] ?? []
     : [];
 
   React.useEffect(() => {
-    if (column?.referenceTable && column.referenceTable !== "none") {
-      onLoadReferenceColumns?.(column.referenceTable);
+    if (column?.reference_table && column.reference_table !== "none") {
+      onLoadReferenceColumns?.(column.reference_table);
     }
-  }, [column?.referenceTable, onLoadReferenceColumns]);
+  }, [column?.reference_table, onLoadReferenceColumns]);
 
   const advancedCount = useMemo(() => {
     if (!column) return 0;
     let n = 0;
-    if (column.defaultValue != null && column.defaultValue !== "") n++;
-    if (column.maxLength != null && column.maxLength > 0) n++;
+    if (column.default_value != null && column.default_value !== "") n++;
+    if (column.max_length != null && column.max_length > 0) n++;
     return n;
   }, [column]);
 
@@ -81,11 +81,11 @@ export function ColumnDetailPanel({
       : [
           { value: "none", label: "없음" },
           ...tables.map((t) => ({
-            value: t.tableName,
+            value: t.table_name,
             label:
-              t.displayName && t.displayName !== t.tableName
-                ? `${t.displayName} (${t.tableName})`
-                : t.tableName,
+              t.display_name && t.display_name !== t.table_name
+                ? `${t.display_name} (${t.table_name})`
+                : t.table_name,
           })),
         ];
 
@@ -114,9 +114,9 @@ export function ColumnDetailPanel({
             </span>
           )}
           <span className="truncate text-sm font-medium">
-            {column.displayName && column.displayName !== column.columnName
-              ? `${column.displayName} (${column.columnName})`
-              : column.columnName}
+            {column.display_name && column.display_name !== column.column_name
+              ? `${column.display_name} (${column.column_name})`
+              : column.column_name}
           </span>
         </div>
         <Button type="button" variant="ghost" size="icon" className="h-8 w-8 shrink-0" onClick={onClose} aria-label="닫기">
@@ -133,12 +133,12 @@ export function ColumnDetailPanel({
           </div>
           <div className="grid grid-cols-3 gap-1.5">
             {Object.entries(INPUT_TYPE_COLORS).map(([type, conf]) => {
-              const isSelected = (column.inputType || "text") === type;
+              const isSelected = (column.input_type || "text") === type;
               return (
                 <button
                   key={type}
                   type="button"
-                  onClick={() => onColumnChange("inputType", type)}
+                  onClick={() => onColumnChange("input_type", type)}
                   className={cn(
                     "flex flex-col items-center gap-1 rounded-lg border px-1.5 py-2.5 text-center transition-all",
                     isSelected
@@ -168,7 +168,7 @@ export function ColumnDetailPanel({
         </section>
 
         {/* [섹션 2] 타입별 상세 설정 */}
-        {column.inputType === "entity" && (
+        {column.input_type === "entity" && (
           <section className="space-y-3">
             <div className="flex items-center gap-2">
               <Settings2 className="h-4 w-4 text-muted-foreground" />
@@ -185,8 +185,8 @@ export function ColumnDetailPanel({
                     role="combobox"
                     className="h-9 w-full justify-between text-xs"
                   >
-                    {column.referenceTable && column.referenceTable !== "none"
-                      ? refTableOpts.find((o) => o.value === column.referenceTable)?.label ?? column.referenceTable
+                    {column.reference_table && column.reference_table !== "none"
+                      ? refTableOpts.find((o) => o.value === column.reference_table)?.label ?? column.reference_table
                       : "테이블 선택..."}
                     <ChevronsUpDown className="ml-2 h-3 w-3 opacity-50" />
                   </Button>
@@ -204,14 +204,14 @@ export function ColumnDetailPanel({
                               key={opt.value}
                               value={`${opt.label} ${opt.value}`}
                               onSelect={() => {
-                                onColumnChange("referenceTable", opt.value === "none" ? undefined : opt.value);
+                                onColumnChange("reference_table", opt.value === "none" ? undefined : opt.value);
                                 if (opt.value !== "none") onLoadReferenceColumns?.(opt.value);
                                 setEntityTableOpen(false);
                               }}
                               className="text-xs"
                             >
                               <Check
-                                className={cn("mr-2 h-3 w-3", column.referenceTable === opt.value ? "opacity-100" : "opacity-0")}
+                                className={cn("mr-2 h-3 w-3", column.reference_table === opt.value ? "opacity-100" : "opacity-0")}
                               />
                               {hasKorean ? (
                                 <div className="flex flex-col">
@@ -232,7 +232,7 @@ export function ColumnDetailPanel({
             </div>
 
             {/* 조인 컬럼 */}
-            {column.referenceTable && column.referenceTable !== "none" && (
+            {column.reference_table && column.reference_table !== "none" && (
               <div className="space-y-1">
                 <Label className="text-[11px] font-medium text-muted-foreground">조인 컬럼(값)</Label>
                 <Popover open={entityColumnOpen} onOpenChange={setEntityColumnOpen}>
@@ -243,12 +243,12 @@ export function ColumnDetailPanel({
                       disabled={refColumns.length === 0}
                       className="h-9 w-full justify-between text-xs"
                     >
-                      {column.referenceColumn && column.referenceColumn !== "none"
+                      {column.reference_column && column.reference_column !== "none"
                         ? (() => {
-                            const matched = refColumns.find((c) => c.columnName === column.referenceColumn);
-                            return matched?.displayName && matched.displayName !== column.referenceColumn
-                              ? `${matched.displayName} (${column.referenceColumn})`
-                              : column.referenceColumn;
+                            const matched = refColumns.find((c) => c.column_name === column.reference_column);
+                            return matched?.display_name && matched.display_name !== column.reference_column
+                              ? `${matched.display_name} (${column.reference_column})`
+                              : column.reference_column;
                           })()
                         : "컬럼 선택..."}
                       <ChevronsUpDown className="ml-2 h-3 w-3 opacity-50" />
@@ -263,20 +263,20 @@ export function ColumnDetailPanel({
                           <CommandItem
                             value="none"
                             onSelect={() => {
-                              onColumnChange("referenceColumn", undefined);
+                              onColumnChange("reference_column", undefined);
                               setEntityColumnOpen(false);
                             }}
                             className="text-xs"
                           >
-                            <Check className={cn("mr-2 h-3 w-3", !column.referenceColumn ? "opacity-100" : "opacity-0")} />
+                            <Check className={cn("mr-2 h-3 w-3", !column.reference_column ? "opacity-100" : "opacity-0")} />
                             선택 안함
                           </CommandItem>
                           {refColumns.map((refCol) => (
                             <CommandItem
-                              key={refCol.columnName}
-                              value={`${refCol.displayName ?? ""} ${refCol.columnName}`}
+                              key={refCol.column_name}
+                              value={`${refCol.display_name ?? ""} ${refCol.column_name}`}
                               onSelect={() => {
-                                onColumnChange("referenceColumn", refCol.columnName);
+                                onColumnChange("reference_column", refCol.column_name);
                                 setEntityColumnOpen(false);
                               }}
                               className="text-xs"
@@ -284,16 +284,16 @@ export function ColumnDetailPanel({
                               <Check
                                 className={cn(
                                   "mr-2 h-3 w-3",
-                                  column.referenceColumn === refCol.columnName ? "opacity-100" : "opacity-0",
+                                  column.reference_column === refCol.column_name ? "opacity-100" : "opacity-0",
                                 )}
                               />
-                              {refCol.displayName && refCol.displayName !== refCol.columnName ? (
+                              {refCol.display_name && refCol.display_name !== refCol.column_name ? (
                                 <div className="flex flex-col">
-                                  <span className="font-medium">{refCol.displayName}</span>
-                                  <span className="text-[10px] text-muted-foreground">{refCol.columnName}</span>
+                                  <span className="font-medium">{refCol.display_name}</span>
+                                  <span className="text-[10px] text-muted-foreground">{refCol.column_name}</span>
                                 </div>
                               ) : (
-                                <span>{refCol.columnName}</span>
+                                <span>{refCol.column_name}</span>
                               )}
                             </CommandItem>
                           ))}
@@ -306,21 +306,21 @@ export function ColumnDetailPanel({
             )}
 
             {/* 참조 요약 미니맵 */}
-            {column.referenceTable && column.referenceTable !== "none" && column.referenceColumn && (
+            {column.reference_table && column.reference_table !== "none" && column.reference_column && (
               <div className="flex items-center gap-2 rounded-md bg-violet-50 px-3 py-2">
                 <span className="text-[11px] font-semibold text-violet-600">
                   {(() => {
-                    const tbl = refTableOpts.find((o) => o.value === column.referenceTable);
-                    return tbl?.label ?? column.referenceTable;
+                    const tbl = refTableOpts.find((o) => o.value === column.reference_table);
+                    return tbl?.label ?? column.reference_table;
                   })()}
                 </span>
                 <span className="text-muted-foreground text-[10px]">→</span>
                 <span className="text-[11px] font-semibold text-violet-600">
                   {(() => {
-                    const col = refColumns.find((c) => c.columnName === column.referenceColumn);
-                    return col?.displayName && col.displayName !== column.referenceColumn
-                      ? `${col.displayName} (${column.referenceColumn})`
-                      : column.referenceColumn;
+                    const col = refColumns.find((c) => c.column_name === column.reference_column);
+                    return col?.display_name && col.display_name !== column.reference_column
+                      ? `${col.display_name} (${column.reference_column})`
+                      : column.reference_column;
                   })()}
                 </span>
               </div>
@@ -328,7 +328,7 @@ export function ColumnDetailPanel({
           </section>
         )}
 
-        {column.inputType === "code" && (
+        {column.input_type === "code" && (
           <section className="space-y-2">
             <div className="flex items-center gap-2">
               <Settings2 className="h-4 w-4 text-muted-foreground" />
@@ -338,8 +338,8 @@ export function ColumnDetailPanel({
               <div className="space-y-1.5">
                 <Label className="text-xs text-muted-foreground">공통코드 카테고리</Label>
                 <Select
-                  value={column.codeCategory ?? "none"}
-                  onValueChange={(v) => onColumnChange("codeCategory", v === "none" ? undefined : v)}
+                  value={column.code_category ?? "none"}
+                  onValueChange={(v) => onColumnChange("code_category", v === "none" ? undefined : v)}
                 >
                   <SelectTrigger className="h-9 text-xs">
                     <SelectValue placeholder="코드 선택" />
@@ -353,13 +353,13 @@ export function ColumnDetailPanel({
                   </SelectContent>
                 </Select>
               </div>
-              {column.codeCategory && column.codeCategory !== "none" && (
+              {column.code_category && column.code_category !== "none" && (
                 <div className="space-y-1.5">
                   <Label className="text-xs text-muted-foreground">계층 역할</Label>
                   <Select
-                    value={column.hierarchyRole ?? "none"}
+                    value={column.hierarchy_role ?? "none"}
                     onValueChange={(v) =>
-                      onColumnChange("hierarchyRole", v === "none" ? undefined : (v as "large" | "medium" | "small"))
+                      onColumnChange("hierarchy_role", v === "none" ? undefined : (v as "large" | "medium" | "small"))
                     }
                   >
                     <SelectTrigger className="h-9 text-xs">
@@ -378,7 +378,7 @@ export function ColumnDetailPanel({
           </section>
         )}
 
-        {column.inputType === "category" && (
+        {column.input_type === "category" && (
           <section className="space-y-2">
             <div className="flex items-center gap-2">
               <Settings2 className="h-4 w-4 text-muted-foreground" />
@@ -387,8 +387,8 @@ export function ColumnDetailPanel({
             <div className="space-y-1.5">
               <Label className="text-xs text-muted-foreground">참조 (테이블.컬럼)</Label>
               <Input
-                value={column.categoryRef ?? ""}
-                onChange={(e) => onColumnChange("categoryRef", e.target.value || null)}
+                value={column.category_ref ?? ""}
+                onChange={(e) => onColumnChange("category_ref", e.target.value || null)}
                 placeholder="테이블명.컬럼명"
                 className="h-9 text-xs"
               />
@@ -396,7 +396,7 @@ export function ColumnDetailPanel({
           </section>
         )}
 
-        {column.inputType === "numbering" && (
+        {column.input_type === "numbering" && (
           <section className="space-y-2">
             <div className="flex items-center gap-2">
               <Settings2 className="h-4 w-4 text-muted-foreground" />
@@ -416,9 +416,9 @@ export function ColumnDetailPanel({
             <Label className="text-sm font-medium">표시 이름</Label>
           </div>
           <Input
-            value={column.displayName ?? ""}
-            onChange={(e) => onColumnChange("displayName", e.target.value)}
-            placeholder={column.columnName}
+            value={column.display_name ?? ""}
+            onChange={(e) => onColumnChange("display_name", e.target.value)}
+            placeholder={column.column_name}
             className="h-9 text-sm"
           />
         </section>
@@ -436,8 +436,8 @@ export function ColumnDetailPanel({
                 <p className="text-xs text-muted-foreground">비워두면 저장할 수 없어요.</p>
               </div>
               <Switch
-                checked={column.isNullable === "NO"}
-                onCheckedChange={(checked) => onColumnChange("isNullable", checked ? "NO" : "YES")}
+                checked={column.is_nullable === "NO"}
+                onCheckedChange={(checked) => onColumnChange("is_nullable", checked ? "NO" : "YES")}
                 aria-label="필수 입력"
               />
             </div>
@@ -484,8 +484,8 @@ export function ColumnDetailPanel({
               <div className="space-y-1.5">
                 <Label className="text-xs text-muted-foreground">기본값</Label>
                 <Input
-                  value={column.defaultValue ?? ""}
-                  onChange={(e) => onColumnChange("defaultValue", e.target.value)}
+                  value={column.default_value ?? ""}
+                  onChange={(e) => onColumnChange("default_value", e.target.value)}
                   placeholder="기본값"
                   className="h-9 text-xs"
                 />
@@ -494,10 +494,10 @@ export function ColumnDetailPanel({
                 <Label className="text-xs text-muted-foreground">최대 길이</Label>
                 <Input
                   type="number"
-                  value={column.maxLength ?? ""}
+                  value={column.max_length ?? ""}
                   onChange={(e) => {
                     const v = e.target.value;
-                    onColumnChange("maxLength", v === "" ? undefined : Number(v));
+                    onColumnChange("max_length", v === "" ? undefined : Number(v));
                   }}
                   placeholder="숫자"
                   className="h-9 text-xs"
diff --git a/frontend/components/admin/table-type/ColumnGrid.tsx b/frontend/components/admin/table-type/ColumnGrid.tsx
index 8db9ce34..561a86b9 100644
--- a/frontend/components/admin/table-type/ColumnGrid.tsx
+++ b/frontend/components/admin/table-type/ColumnGrid.tsx
@@ -11,7 +11,7 @@ import type { ReferenceTableColumn } from "@/lib/api/entityJoin";
 
 export interface ColumnGridConstraints {
   primaryKey: { columns: string[] };
-  indexes: Array<{ columns: string[]; isUnique: boolean }>;
+  indexes: Array<{ columns: string[]; is_unique: boolean }>;
 }
 
 export interface ColumnGridProps {
@@ -35,7 +35,7 @@ function getIndexState(
 ): { isPk: boolean; hasIndex: boolean } {
   const isPk = constraints.primaryKey.columns.includes(columnName);
   const hasIndex = constraints.indexes.some(
-    (idx) => !idx.isUnique && idx.columns.length === 1 && idx.columns[0] === columnName,
+    (idx) => !idx.is_unique && idx.columns.length === 1 && idx.columns[0] === columnName,
   );
   return { isPk, hasIndex };
 }
@@ -68,7 +68,7 @@ export function ColumnGrid({
   /** typeFilter 적용 후 그룹별로 정렬 */
   const filteredAndGrouped = useMemo(() => {
     const filtered =
-      typeFilter != null ? columns.filter((c) => (c.inputType || "text") === typeFilter) : columns;
+      typeFilter != null ? columns.filter((c) => (c.input_type || "text") === typeFilter) : columns;
     const groups = { basic: [] as ColumnTypeInfo[], reference: [] as ColumnTypeInfo[], meta: [] as ColumnTypeInfo[] };
     for (const col of filtered) {
       const group = getColumnGroup(col);
@@ -116,20 +116,20 @@ export function ColumnGrid({
                   </Badge>
                 </div>
                 {list.map((column) => {
-                  const typeConf = INPUT_TYPE_COLORS[column.inputType || "text"] || INPUT_TYPE_COLORS.text;
-                  const idxState = getIdxState(column.columnName);
-                  const isSelected = selectedColumn === column.columnName;
+                  const typeConf = INPUT_TYPE_COLORS[column.input_type || "text"] || INPUT_TYPE_COLORS.text;
+                  const idxState = getIdxState(column.column_name);
+                  const isSelected = selectedColumn === column.column_name;
 
                   return (
                     <div
-                      key={column.columnName}
+                      key={column.column_name}
                       role="button"
                       tabIndex={0}
-                      onClick={() => onSelectColumn(column.columnName)}
+                      onClick={() => onSelectColumn(column.column_name)}
                       onKeyDown={(e) => {
                         if (e.key === "Enter" || e.key === " ") {
                           e.preventDefault();
-                          onSelectColumn(column.columnName);
+                          onSelectColumn(column.column_name);
                         }
                       }}
                       className={cn(
@@ -145,15 +145,15 @@ export function ColumnGrid({
                       {/* 라벨 + 컬럼명 (한글라벨 (영어명) 동시 표시) */}
                       <div className="min-w-0">
                         <div className="truncate text-sm font-medium">
-                          {column.displayName && column.displayName !== column.columnName
-                            ? `${column.displayName} (${column.columnName})`
-                            : column.columnName}
+                          {column.display_name && column.display_name !== column.column_name
+                            ? `${column.display_name} (${column.column_name})`
+                            : column.column_name}
                         </div>
                       </div>
 
                       {/* 참조/설정 칩 */}
                       <div className="flex min-w-0 flex-wrap gap-1">
-                        {column.inputType === "entity" && column.referenceTable && column.referenceTable !== "none" && (
+                        {column.input_type === "entity" && column.reference_table && column.reference_table !== "none" && (
                           <>
                             <Badge
                               variant="outline"
@@ -161,51 +161,51 @@ export function ColumnGrid({
                               title={
                                 tables
                                   ? (() => {
-                                      const t = tables.find((tb) => tb.tableName === column.referenceTable);
-                                      return t?.displayName && t.displayName !== t.tableName
-                                        ? `${t.displayName} (${column.referenceTable})`
-                                        : column.referenceTable;
+                                      const t = tables.find((tb) => tb.table_name === column.reference_table);
+                                      return t?.display_name && t.display_name !== t.table_name
+                                        ? `${t.display_name} (${column.reference_table})`
+                                        : column.reference_table;
                                     })()
-                                  : column.referenceTable
+                                  : column.reference_table
                               }
                             >
-                              {column.referenceTable}
+                              {column.reference_table}
                             </Badge>
                             <span className="text-muted-foreground text-xs">→</span>
                             <Badge
                               variant="outline"
                               className="text-xs font-normal"
                               title={
-                                referenceTableColumns?.[column.referenceTable]
+                                referenceTableColumns?.[column.reference_table]
                                   ? (() => {
-                                      const refCols = referenceTableColumns[column.referenceTable];
-                                      const c = refCols.find((rc) => rc.columnName === (column.referenceColumn ?? ""));
-                                      return c?.displayName && c.displayName !== c.columnName
-                                        ? `${c.displayName} (${column.referenceColumn})`
-                                        : column.referenceColumn ?? "—";
+                                      const refCols = referenceTableColumns[column.reference_table];
+                                      const c = refCols.find((rc) => rc.column_name === (column.reference_column ?? ""));
+                                      return c?.display_name && c.display_name !== c.column_name
+                                        ? `${c.display_name} (${column.reference_column})`
+                                        : column.reference_column ?? "—";
                                     })()
-                                  : column.referenceColumn ?? "—"
+                                  : column.reference_column ?? "—"
                               }
                             >
-                              {column.referenceColumn || "—"}
+                              {column.reference_column || "—"}
                             </Badge>
                           </>
                         )}
-                        {column.inputType === "code" && (
+                        {column.input_type === "code" && (
                           <span className="text-muted-foreground truncate text-xs">
-                            {column.codeCategory ?? "—"} · {column.defaultValue ?? ""}
+                            {column.code_category ?? "—"} · {column.default_value ?? ""}
                           </span>
                         )}
-                        {column.inputType === "numbering" && column.numberingRuleId && (
+                        {column.input_type === "numbering" && column.numbering_rule_id && (
                           <Badge variant="outline" className="text-xs font-normal">
-                            {column.numberingRuleId}
+                            {column.numbering_rule_id}
                           </Badge>
                         )}
-                        {column.inputType !== "entity" &&
-                          column.inputType !== "code" &&
-                          column.inputType !== "numbering" &&
-                          (column.defaultValue ? (
-                            <span className="text-muted-foreground truncate text-xs">{column.defaultValue}</span>
+                        {column.input_type !== "entity" &&
+                          column.input_type !== "code" &&
+                          column.input_type !== "numbering" &&
+                          (column.default_value ? (
+                            <span className="text-muted-foreground truncate text-xs">{column.default_value}</span>
                           ) : (
                             <span className="text-muted-foreground/60 text-xs">—</span>
                           ))}
@@ -229,7 +229,7 @@ export function ColumnGrid({
                           )}
                           onClick={(e) => {
                             e.stopPropagation();
-                            onPkToggle?.(column.columnName, !idxState.isPk);
+                            onPkToggle?.(column.column_name, !idxState.isPk);
                           }}
                           title="Primary Key 토글"
                         >
@@ -239,13 +239,13 @@ export function ColumnGrid({
                           type="button"
                           className={cn(
                             "rounded border px-1.5 py-0.5 text-[10px] font-bold transition-colors",
-                            column.isNullable === "NO"
+                            column.is_nullable === "NO"
                               ? "border-amber-200 bg-amber-50 text-amber-600"
                               : "border-border text-muted-foreground/40 hover:border-amber-200 hover:text-amber-400",
                           )}
                           onClick={(e) => {
                             e.stopPropagation();
-                            onColumnChange(column.columnName, "isNullable", column.isNullable === "NO" ? "YES" : "NO");
+                            onColumnChange(column.column_name, "is_nullable", column.is_nullable === "NO" ? "YES" : "NO");
                           }}
                           title="Not Null 토글"
                         >
@@ -261,7 +261,7 @@ export function ColumnGrid({
                           )}
                           onClick={(e) => {
                             e.stopPropagation();
-                            onIndexToggle?.(column.columnName, !idxState.hasIndex);
+                            onIndexToggle?.(column.column_name, !idxState.hasIndex);
                           }}
                           title="Index 토글"
                         >
@@ -271,13 +271,13 @@ export function ColumnGrid({
                           type="button"
                           className={cn(
                             "rounded border px-1.5 py-0.5 text-[10px] font-bold transition-colors",
-                            column.isUnique === "YES"
+                            column.is_unique === "YES"
                               ? "border-violet-200 bg-violet-50 text-violet-600"
                               : "border-border text-muted-foreground/40 hover:border-violet-200 hover:text-violet-400",
                           )}
                           onClick={(e) => {
                             e.stopPropagation();
-                            onColumnChange(column.columnName, "isUnique", column.isUnique === "YES" ? "NO" : "YES");
+                            onColumnChange(column.column_name, "is_unique", column.is_unique === "YES" ? "NO" : "YES");
                           }}
                           title="Unique 토글"
                         >
@@ -293,7 +293,7 @@ export function ColumnGrid({
                           className="h-8 w-8"
                           onClick={(e) => {
                             e.stopPropagation();
-                            onSelectColumn(column.columnName);
+                            onSelectColumn(column.column_name);
                           }}
                           aria-label="상세 설정"
                         >
diff --git a/frontend/components/admin/table-type/TypeOverviewStrip.tsx b/frontend/components/admin/table-type/TypeOverviewStrip.tsx
index bdb27f47..42a8e6d2 100644
--- a/frontend/components/admin/table-type/TypeOverviewStrip.tsx
+++ b/frontend/components/admin/table-type/TypeOverviewStrip.tsx
@@ -15,7 +15,7 @@ export interface TypeOverviewStripProps {
 function countByInputType(columns: ColumnTypeInfo[]): Record<string, number> {
   const counts: Record<string, number> = {};
   for (const col of columns) {
-    const t = col.inputType || "text";
+    const t = col.input_type || "text";
     counts[t] = (counts[t] || 0) + 1;
   }
   return counts;
diff --git a/frontend/components/admin/table-type/types.ts b/frontend/components/admin/table-type/types.ts
index c82f0d2b..cb3f58e6 100644
--- a/frontend/components/admin/table-type/types.ts
+++ b/frontend/components/admin/table-type/types.ts
@@ -4,40 +4,40 @@
  */
 
 export interface TableInfo {
-  tableName: string;
-  displayName: string;
+  table_name: string;
+  display_name: string;
   description: string;
-  columnCount: number;
+  column_count: number;
 }
 
 export interface ColumnTypeInfo {
-  columnName: string;
-  displayName: string;
-  inputType: string;
-  detailSettings: string;
+  column_name: string;
+  display_name: string;
+  input_type: string;
+  detail_settings: string;
   description: string;
-  isNullable: string;
-  isUnique: string;
-  defaultValue?: string;
-  maxLength?: number;
-  numericPrecision?: number;
-  numericScale?: number;
-  codeCategory?: string;
-  codeValue?: string;
-  referenceTable?: string;
-  referenceColumn?: string;
-  displayColumn?: string;
-  categoryMenus?: number[];
-  hierarchyRole?: "large" | "medium" | "small";
-  numberingRuleId?: string;
-  categoryRef?: string | null;
+  is_nullable: string;
+  is_unique: string;
+  default_value?: string;
+  max_length?: number;
+  numeric_precision?: number;
+  numeric_scale?: number;
+  code_category?: string;
+  code_value?: string;
+  reference_table?: string;
+  reference_column?: string;
+  display_column?: string;
+  category_menus?: number[];
+  hierarchy_role?: "large" | "medium" | "small";
+  numbering_rule_id?: string;
+  category_ref?: string | null;
 }
 
 export interface SecondLevelMenu {
-  menuObjid: number;
-  menuName: string;
-  parentMenuName: string;
-  screenCode?: string;
+  menu_objid: number;
+  menu_name: string;
+  parent_menu_name: string;
+  screen_code?: string;
 }
 
 /** 컬럼 그룹 분류 */
@@ -73,7 +73,7 @@ export const INPUT_TYPE_COLORS: Record<string, TypeColorConfig> = {
 /** 컬럼 그룹 판별 */
 export function getColumnGroup(col: ColumnTypeInfo): ColumnGroup {
   const metaCols = ["id", "created_date", "updated_date", "writer", "company_code"];
-  if (metaCols.includes(col.columnName)) return "meta";
-  if (["entity", "code", "category"].includes(col.inputType)) return "reference";
+  if (metaCols.includes(col.column_name)) return "meta";
+  if (["entity", "code", "category"].includes(col.input_type)) return "reference";
   return "basic";
 }
diff --git a/frontend/components/dataflow/DataFlowList.tsx b/frontend/components/dataflow/DataFlowList.tsx
index 72a5ae5e..838a2c67 100644
--- a/frontend/components/dataflow/DataFlowList.tsx
+++ b/frontend/components/dataflow/DataFlowList.tsx
@@ -46,11 +46,11 @@ interface FlowSummary {
 }
 
 interface NodeFlow {
-  flowId: number;
-  flowName: string;
-  flowDescription: string;
-  createdAt: string;
-  updatedAt: string;
+  flow_id: number;
+  flow_name: string;
+  flow_description: string;
+  created_date: string;
+  updated_date: string;
   summary: FlowSummary;
 }
 
@@ -182,10 +182,10 @@ function FlowCard({
       {/* 카드 바디 */}
       <div className="px-4 pb-3 pt-3.5">
         <h3 className="mb-1 truncate text-sm font-semibold tracking-tight text-zinc-100">
-          {flow.flowName}
+          {flow.flow_name}
         </h3>
         <p className="mb-3 line-clamp-2 min-h-[2.5rem] text-[11px] leading-relaxed text-zinc-500">
-          {flow.flowDescription || "설명이 아직 없어요"}
+          {flow.flow_description || "설명이 아직 없어요"}
         </p>
 
         {/* 노드 타입 칩 */}
@@ -206,7 +206,7 @@ function FlowCard({
       {/* 카드 푸터 */}
       <div className="flex items-center justify-between border-t border-zinc-800/40 px-4 py-2.5">
         <span className="font-mono text-[11px] text-zinc-600">
-          수정 {relativeTime(flow.updatedAt)}
+          수정 {relativeTime(flow.updated_date)}
         </span>
         <div className="flex gap-0.5">
           <button
@@ -284,13 +284,13 @@ export default function DataFlowList({ onLoadFlow }: DataFlowListProps) {
   const handleCopy = async (flow: NodeFlow) => {
     try {
       setLoading(true);
-      const response = await apiClient.get(`/dataflow/node-flows/${flow.flowId}`);
+      const response = await apiClient.get(`/dataflow/node-flows/${flow.flow_id}`);
       if (!response.data.success) throw new Error(response.data.message || "플로우 조회 실패");
 
       const copyResponse = await apiClient.post("/dataflow/node-flows", {
-        flowName: `${flow.flowName} (복사본)`,
-        flowDescription: flow.flowDescription,
-        flowData: response.data.data.flowData,
+        flow_name: `${flow.flow_name} (복사본)`,
+        flow_description: flow.flow_description,
+        flow_data: response.data.data.flow_data,
       });
 
       if (copyResponse.data.success) {
@@ -313,9 +313,9 @@ export default function DataFlowList({ onLoadFlow }: DataFlowListProps) {
     if (!selectedFlow) return;
     try {
       setLoading(true);
-      const response = await apiClient.delete(`/dataflow/node-flows/${selectedFlow.flowId}`);
+      const response = await apiClient.delete(`/dataflow/node-flows/${selectedFlow.flow_id}`);
       if (response.data.success) {
-        toast.success(`"${selectedFlow.flowName}" 플로우를 삭제했어요`);
+        toast.success(`"${selectedFlow.flow_name}" 플로우를 삭제했어요`);
         await loadFlows();
       } else {
         throw new Error(response.data.message || "플로우 삭제 실패");
@@ -336,8 +336,8 @@ export default function DataFlowList({ onLoadFlow }: DataFlowListProps) {
     () =>
       flows.filter(
         (f) =>
-          f.flowName.toLowerCase().includes(searchTerm.toLowerCase()) ||
-          (f.flowDescription || "").toLowerCase().includes(searchTerm.toLowerCase()),
+          f.flow_name.toLowerCase().includes(searchTerm.toLowerCase()) ||
+          (f.flow_description || "").toLowerCase().includes(searchTerm.toLowerCase()),
       ),
     [flows, searchTerm],
   );
@@ -478,9 +478,9 @@ export default function DataFlowList({ onLoadFlow }: DataFlowListProps) {
         <div className="grid grid-cols-1 gap-4 md:grid-cols-2 xl:grid-cols-3">
           {filteredFlows.map((flow) => (
             <FlowCard
-              key={flow.flowId}
+              key={flow.flow_id}
               flow={flow}
-              onOpen={() => onLoadFlow(flow.flowId)}
+              onOpen={() => onLoadFlow(flow.flow_id)}
               onCopy={() => handleCopy(flow)}
               onDelete={() => handleDelete(flow)}
             />
@@ -503,19 +503,19 @@ export default function DataFlowList({ onLoadFlow }: DataFlowListProps) {
         <div className="space-y-2">
           {filteredFlows.map((flow) => (
             <div
-              key={flow.flowId}
+              key={flow.flow_id}
               className="group flex cursor-pointer items-center gap-4 rounded-lg border border-zinc-800 bg-zinc-900/80 px-4 py-3 transition-all hover:border-violet-500/40 hover:bg-zinc-900"
-              onClick={() => onLoadFlow(flow.flowId)}
+              onClick={() => onLoadFlow(flow.flow_id)}
             >
               <div className="flex h-10 w-10 flex-shrink-0 items-center justify-center rounded-lg bg-violet-500/10">
                 <Network className="h-5 w-5 text-violet-400" />
               </div>
               <div className="min-w-0 flex-1">
                 <h3 className="truncate text-sm font-semibold text-zinc-100">
-                  {flow.flowName}
+                  {flow.flow_name}
                 </h3>
                 <p className="truncate text-xs text-zinc-500">
-                  {flow.flowDescription || "설명이 아직 없어요"}
+                  {flow.flow_description || "설명이 아직 없어요"}
                 </p>
               </div>
               <div className="hidden items-center gap-1.5 lg:flex">
@@ -534,7 +534,7 @@ export default function DataFlowList({ onLoadFlow }: DataFlowListProps) {
                   })}
               </div>
               <span className="hidden font-mono text-[11px] text-zinc-600 sm:block">
-                {relativeTime(flow.updatedAt)}
+                {relativeTime(flow.updated_date)}
               </span>
               <div className="flex gap-0.5" onClick={(e) => e.stopPropagation()}>
                 <button
@@ -563,7 +563,7 @@ export default function DataFlowList({ onLoadFlow }: DataFlowListProps) {
           <DialogHeader>
             <DialogTitle className="text-base sm:text-lg">플로우를 삭제할까요?</DialogTitle>
             <DialogDescription className="text-xs sm:text-sm">
-              &ldquo;{selectedFlow?.flowName}&rdquo; 플로우가 완전히 삭제돼요.
+              &ldquo;{selectedFlow?.flow_name}&rdquo; 플로우가 완전히 삭제돼요.
               <br />
               <span className="text-destructive font-medium">
                 이 작업은 되돌릴 수 없으며, 모든 노드와 연결 정보가 함께 삭제돼요.
diff --git a/frontend/components/table-category/AddCategoryColumnDialog.tsx b/frontend/components/table-category/AddCategoryColumnDialog.tsx
index 2349fb56..20038b53 100644
--- a/frontend/components/table-category/AddCategoryColumnDialog.tsx
+++ b/frontend/components/table-category/AddCategoryColumnDialog.tsx
@@ -29,10 +29,10 @@ import { tableManagementApi } from "@/lib/api/tableManagement";
 import { apiClient } from "@/lib/api/client";
 
 interface SecondLevelMenu {
-  menuObjid: number;
-  menuName: string;
-  parentMenuName: string;
-  screenCode?: string;
+  menu_objid: number;
+  menu_name: string;
+  parent_menu_name: string;
+  screen_code?: string;
 }
 
 interface AddCategoryColumnDialogProps {
@@ -56,8 +56,8 @@ export function AddCategoryColumnDialog({
   const [physicalColumns, setPhysicalColumns] = useState<string[]>([]);
   const [secondLevelMenus, setSecondLevelMenus] = useState<SecondLevelMenu[]>([]);
   const [selectedMenus, setSelectedMenus] = useState<number[]>([]);
-  const [logicalColumnName, setLogicalColumnName] = useState("");
-  const [physicalColumnName, setPhysicalColumnName] = useState("");
+  const [logical_column_name, set_logical_column_name] = useState("");
+  const [physical_column_name, set_physical_column_name] = useState("");
   const [description, setDescription] = useState("");
 
   // 다이얼로그 열릴 때 데이터 로드
@@ -99,22 +99,22 @@ export function AddCategoryColumnDialog({
   };
 
   // 메뉴 선택/해제
-  const toggleMenu = (menuObjid: number) => {
+  const toggleMenu = (menu_objid: number) => {
     setSelectedMenus((prev) =>
-      prev.includes(menuObjid)
-        ? prev.filter((id) => id !== menuObjid)
-        : [...prev, menuObjid]
+      prev.includes(menu_objid)
+        ? prev.filter((id) => id !== menu_objid)
+        : [...prev, menu_objid]
     );
   };
 
   const handleSave = async () => {
     // 입력 검증
-    if (!logicalColumnName.trim()) {
+    if (!logical_column_name.trim()) {
       toast.error("논리적 컬럼명을 입력해주세요");
       return;
     }
 
-    if (!physicalColumnName) {
+    if (!physical_column_name) {
       toast.error("실제 컬럼을 선택해주세요");
       return;
     }
@@ -128,12 +128,12 @@ export function AddCategoryColumnDialog({
 
     try {
       // 선택된 각 메뉴에 대해 매핑 생성
-      const promises = selectedMenus.map((menuObjid) =>
+      const promises = selectedMenus.map((menu_objid) =>
         createColumnMapping({
           tableName,
-          logicalColumnName: logicalColumnName.trim(),
-          physicalColumnName,
-          menuObjid,
+          logicalColumnName: logical_column_name.trim(),
+          physicalColumnName: physical_column_name,
+          menuObjid: menu_objid,
           description: description.trim() || undefined,
         })
       );
@@ -165,8 +165,8 @@ export function AddCategoryColumnDialog({
   };
 
   const resetForm = () => {
-    setLogicalColumnName("");
-    setPhysicalColumnName("");
+    set_logical_column_name("");
+    set_physical_column_name("");
     setDescription("");
     setSelectedMenus([]);
   };
@@ -196,7 +196,7 @@ export function AddCategoryColumnDialog({
             <Label className="text-xs sm:text-sm">
               실제 컬럼 (물리적) *
             </Label>
-            <Select value={physicalColumnName} onValueChange={setPhysicalColumnName}>
+            <Select value={physical_column_name} onValueChange={set_physical_column_name}>
               <SelectTrigger className="h-8 text-xs sm:h-10 sm:text-sm">
                 <SelectValue placeholder="컬럼 선택" />
               </SelectTrigger>
@@ -219,8 +219,8 @@ export function AddCategoryColumnDialog({
               논리적 컬럼명 (메뉴별 식별용) *
             </Label>
             <Input
-              value={logicalColumnName}
-              onChange={(e) => setLogicalColumnName(e.target.value)}
+              value={logical_column_name}
+              onChange={(e) => set_logical_column_name(e.target.value)}
               placeholder="예: status_stock, status_sales"
               className="h-8 text-xs sm:h-10 sm:text-sm"
             />
@@ -239,18 +239,18 @@ export function AddCategoryColumnDialog({
                 <p className="text-xs text-muted-foreground">로딩 중...</p>
               ) : (
                 secondLevelMenus.map((menu) => (
-                  <div key={menu.menuObjid} className="flex items-center gap-2">
+                  <div key={menu.menu_objid} className="flex items-center gap-2">
                     <Checkbox
-                      id={`menu-${menu.menuObjid}`}
-                      checked={selectedMenus.includes(menu.menuObjid)}
-                      onCheckedChange={() => toggleMenu(menu.menuObjid)}
+                      id={`menu-${menu.menu_objid}`}
+                      checked={selectedMenus.includes(menu.menu_objid)}
+                      onCheckedChange={() => toggleMenu(menu.menu_objid)}
                       className="h-4 w-4"
                     />
                     <label
-                      htmlFor={`menu-${menu.menuObjid}`}
+                      htmlFor={`menu-${menu.menu_objid}`}
                       className="text-xs sm:text-sm cursor-pointer flex-1"
                     >
-                      {menu.parentMenuName} → {menu.menuName}
+                      {menu.parent_menu_name} → {menu.menu_name}
                     </label>
                   </div>
                 ))
@@ -290,7 +290,7 @@ export function AddCategoryColumnDialog({
           </Button>
           <Button
             onClick={handleSave}
-            disabled={!logicalColumnName || !physicalColumnName || selectedMenus.length === 0 || loading}
+            disabled={!logical_column_name || !physical_column_name || selectedMenus.length === 0 || loading}
             className="h-8 flex-1 text-xs sm:h-10 sm:flex-none sm:text-sm"
           >
             {loading ? "추가 중..." : "추가"}
diff --git a/frontend/components/table-category/CategoryColumnList.tsx b/frontend/components/table-category/CategoryColumnList.tsx
index 02810c80..b1907c8c 100644
--- a/frontend/components/table-category/CategoryColumnList.tsx
+++ b/frontend/components/table-category/CategoryColumnList.tsx
@@ -8,12 +8,12 @@ import { Input } from "@/components/ui/input";
 import { cn } from "@/lib/utils";
 
 export interface CategoryColumn {
-  tableName: string;
-  tableLabel?: string;
-  columnName: string;
-  columnLabel: string;
-  inputType: string;
-  valueCount?: number;
+  table_name: string;
+  table_label?: string;
+  column_name: string;
+  column_label: string;
+  input_type: string;
+  value_count?: number;
 }
 
 interface CategoryColumnListProps {
@@ -49,18 +49,18 @@ export function CategoryColumnList({
   // 검색어로 필터링된 컬럼 목록
   const filteredColumns = useMemo(() => {
     if (!searchQuery.trim()) return columns;
-    
+
     const query = searchQuery.toLowerCase();
     return columns.filter((col) => {
-      const columnName = (col.columnName || "").toLowerCase();
-      const columnLabel = (col.columnLabel || "").toLowerCase();
-      const tableName = (col.tableName || "").toLowerCase();
-      const tableLabel = (col.tableLabel || "").toLowerCase();
-      
-      return columnName.includes(query) || 
-             columnLabel.includes(query) || 
-             tableName.includes(query) || 
-             tableLabel.includes(query);
+      const column_name = (col.column_name || "").toLowerCase();
+      const column_label = (col.column_label || "").toLowerCase();
+      const table_name = (col.table_name || "").toLowerCase();
+      const table_label = (col.table_label || "").toLowerCase();
+
+      return column_name.includes(query) ||
+             column_label.includes(query) ||
+             table_name.includes(query) ||
+             table_label.includes(query);
     });
   }, [columns, searchQuery]);
 
@@ -70,7 +70,7 @@ export function CategoryColumnList({
     const groupMap = new Map<string, CategoryColumn[]>();
 
     for (const col of filteredColumns) {
-      const key = col.tableName;
+      const key = col.table_name;
       if (!groupMap.has(key)) {
         groupMap.set(key, []);
       }
@@ -80,7 +80,7 @@ export function CategoryColumnList({
     for (const [tblName, cols] of groupMap) {
       groups.push({
         tableName: tblName,
-        tableLabel: cols[0]?.tableLabel || tblName,
+        tableLabel: cols[0]?.table_label || tblName,
         columns: cols,
       });
     }
@@ -91,12 +91,12 @@ export function CategoryColumnList({
   // 선택된 컬럼이 있는 그룹을 자동 펼침
   useEffect(() => {
     if (!selectedColumn) return;
-    const tableName = selectedColumn.split(".")[0];
-    if (tableName) {
+    const tblName = selectedColumn.split(".")[0];
+    if (tblName) {
       setExpandedGroups((prev) => {
-        if (prev.has(tableName)) return prev;
+        if (prev.has(tblName)) return prev;
         const next = new Set(prev);
-        next.add(tableName);
+        next.add(tblName);
         return next;
       });
     }
@@ -112,7 +112,7 @@ export function CategoryColumnList({
     setIsLoading(true);
     try {
       console.log("🔍 테이블 기반 카테고리 컬럼 조회 시작", { tableName });
-      
+
       // table_type_columns에서 input_type='category'인 컬럼 조회
       const response = await apiClient.get(`/screen-management/tables/${tableName}/columns`);
 
@@ -127,8 +127,8 @@ export function CategoryColumnList({
 
       // category 타입 중 자체 카테고리만 필터링 (참조 컬럼 제외)
       const categoryColumns = allColumns.filter(
-        (col: any) => (col.inputType === "category" || col.input_type === "category")
-          && !col.categoryRef && !col.category_ref
+        (col: any) => col.input_type === "category"
+          && !col.category_ref
       );
 
       console.log("✅ 카테고리 컬럼 필터링 완료:", {
@@ -139,27 +139,27 @@ export function CategoryColumnList({
       // 값 개수 조회 (테스트 테이블 사용)
       const columnsWithCount = await Promise.all(
         categoryColumns.map(async (col: any) => {
-          const colName = col.columnName || col.column_name;
-          const colLabel = col.columnLabel || col.column_label || colName;
+          const colName = col.column_name;
+          const colLabel = col.column_label || colName;
 
-          let valueCount = 0;
+          let value_count = 0;
           try {
             // 테스트 테이블에서 조회
             const treeResponse = await apiClient.get(`/category-tree/test/${tableName}/${colName}`);
             if (treeResponse.data.success && treeResponse.data.data) {
-              valueCount = countTreeNodes(treeResponse.data.data);
+              value_count = countTreeNodes(treeResponse.data.data);
             }
           } catch (error) {
             console.error(`항목 개수 조회 실패 (${tableName}.${colName}):`, error);
           }
 
           return {
-            tableName,
-            tableLabel: tableName,
-            columnName: colName,
-            columnLabel: colLabel,
-            inputType: "category",
-            valueCount,
+            table_name: tableName,
+            table_label: tableName,
+            column_name: colName,
+            column_label: colLabel,
+            input_type: "category",
+            value_count,
           };
         }),
       );
@@ -169,7 +169,7 @@ export function CategoryColumnList({
 
       if (columnsWithCount.length > 0 && !selectedColumn) {
         const firstCol = columnsWithCount[0];
-        onColumnSelect(`${firstCol.tableName}.${firstCol.columnName}`, firstCol.columnLabel, firstCol.tableName);
+        onColumnSelect(`${firstCol.table_name}.${firstCol.column_name}`, firstCol.column_label, firstCol.table_name);
       }
     } catch (error) {
       console.error("❌ 테이블 기반 카테고리 컬럼 조회 실패:", error);
@@ -195,9 +195,9 @@ export function CategoryColumnList({
     setIsLoading(true);
     try {
       console.log("🔍 회사 기준 카테고리 컬럼 조회 시작", { menuObjid });
-      
+
       // 회사 기준 카테고리 컬럼 조회 (menuObjid는 선택사항)
-      const url = menuObjid 
+      const url = menuObjid
         ? `/table-management/menu/${menuObjid}/category-columns`
         : `/table-management/category-columns`;
       const response = await apiClient.get(url);
@@ -221,37 +221,37 @@ export function CategoryColumnList({
       console.log("✅ 카테고리 컬럼 파싱 완료:", {
         count: categoryColumns.length,
         columns: categoryColumns.map((c: any) => ({
-          table: c.tableName,
-          column: c.columnName,
-          label: c.columnLabel,
+          table: c.table_name,
+          column: c.column_name,
+          label: c.column_label,
         })),
       });
 
       // 각 컬럼의 값 개수 가져오기
       const columnsWithCount = await Promise.all(
         categoryColumns.map(async (col: any) => {
-          const colTable = col.tableName;
-          const colName = col.columnName;
-          const colLabel = col.columnLabel || colName;
+          const colTable = col.table_name;
+          const colName = col.column_name;
+          const colLabel = col.column_label || colName;
 
-          let valueCount = 0;
+          let value_count = 0;
           try {
             const valuesResult = await getCategoryValues(colTable, colName, false, menuObjid);
             const valuesData = (valuesResult as any).data;
             if (valuesResult.success && valuesData) {
-              valueCount = valuesData.length;
+              value_count = valuesData.length;
             }
           } catch (error) {
             console.error(`항목 개수 조회 실패 (${colTable}.${colName}):`, error);
           }
 
           return {
-            tableName: colTable,
-            tableLabel: col.tableLabel || colTable, // 테이블 라벨 추가
-            columnName: colName,
-            columnLabel: colLabel,
-            inputType: col.inputType,
-            valueCount,
+            table_name: colTable,
+            table_label: col.table_label || colTable,
+            column_name: colName,
+            column_label: colLabel,
+            input_type: col.input_type,
+            value_count,
           };
         }),
       );
@@ -268,7 +268,7 @@ export function CategoryColumnList({
 
       if (columnsWithCount.length > 0 && !selectedColumn) {
         const firstCol = columnsWithCount[0];
-        onColumnSelect(`${firstCol.tableName}.${firstCol.columnName}`, firstCol.columnLabel, firstCol.tableName);
+        onColumnSelect(`${firstCol.table_name}.${firstCol.column_name}`, firstCol.column_label, firstCol.table_name);
       }
     } catch (error) {
       console.error("❌ 카테고리 컬럼 조회 실패:", error);
@@ -338,7 +338,7 @@ export function CategoryColumnList({
             </div>
           ) : null}
           {groupedColumns.map((group) => {
-            const totalValues = group.columns.reduce((sum, c) => sum + (c.valueCount ?? 0), 0);
+            const totalValues = group.columns.reduce((sum, c) => sum + (c.value_count ?? 0), 0);
             const isActive = selectedTable === group.tableName;
             return (
               <button
@@ -407,9 +407,9 @@ export function CategoryColumnList({
         ) : null}
         {groupedColumns.map((group) => {
           const isExpanded = expandedGroups.has(group.tableName);
-          const totalValues = group.columns.reduce((sum, c) => sum + (c.valueCount ?? 0), 0);
+          const totalValues = group.columns.reduce((sum, c) => sum + (c.value_count ?? 0), 0);
           const hasSelectedInGroup = group.columns.some(
-            (c) => selectedColumn === `${c.tableName}.${c.columnName}`,
+            (c) => selectedColumn === `${c.table_name}.${c.column_name}`,
           );
 
           // 그룹이 1개뿐이면 드롭다운 없이 바로 표시
@@ -417,12 +417,12 @@ export function CategoryColumnList({
             return (
               <div key={group.tableName} className="space-y-1.5">
                 {group.columns.map((column) => {
-                  const uniqueKey = `${column.tableName}.${column.columnName}`;
+                  const uniqueKey = `${column.table_name}.${column.column_name}`;
                   const isSelected = selectedColumn === uniqueKey;
                   return (
                     <div
                       key={uniqueKey}
-                      onClick={() => onColumnSelect(uniqueKey, column.columnLabel || column.columnName, column.tableName)}
+                      onClick={() => onColumnSelect(uniqueKey, column.column_label || column.column_name, column.table_name)}
                       className={`cursor-pointer rounded-lg border px-4 py-2 transition-all ${
                         isSelected ? "border-primary bg-primary/10 shadow-sm" : "hover:bg-muted/50"
                       }`}
@@ -432,11 +432,11 @@ export function CategoryColumnList({
                           className={`h-4 w-4 ${isSelected ? "text-primary" : "text-muted-foreground"}`}
                         />
                         <div className="flex-1">
-                          <h4 className="text-sm font-semibold">{column.columnLabel || column.columnName}</h4>
-                          <p className="text-muted-foreground text-xs">{column.tableLabel || column.tableName}</p>
+                          <h4 className="text-sm font-semibold">{column.column_label || column.column_name}</h4>
+                          <p className="text-muted-foreground text-xs">{column.table_label || column.table_name}</p>
                         </div>
                         <span className="text-muted-foreground text-xs font-medium">
-                          {column.valueCount !== undefined ? `${column.valueCount}개` : "..."}
+                          {column.value_count !== undefined ? `${column.value_count}개` : "..."}
                         </span>
                       </div>
                     </div>
@@ -483,12 +483,12 @@ export function CategoryColumnList({
               {isExpanded && (
                 <div className="space-y-1 border-t px-2 py-2">
                   {group.columns.map((column) => {
-                    const uniqueKey = `${column.tableName}.${column.columnName}`;
+                    const uniqueKey = `${column.table_name}.${column.column_name}`;
                     const isSelected = selectedColumn === uniqueKey;
                     return (
                       <div
                         key={uniqueKey}
-                        onClick={() => onColumnSelect(uniqueKey, column.columnLabel || column.columnName, column.tableName)}
+                        onClick={() => onColumnSelect(uniqueKey, column.column_label || column.column_name, column.table_name)}
                         className={`cursor-pointer rounded-md px-3 py-1.5 transition-all ${
                           isSelected ? "bg-primary/10 font-semibold text-primary" : "hover:bg-muted/50"
                         }`}
@@ -497,9 +497,9 @@ export function CategoryColumnList({
                           <FolderTree
                             className={`h-3.5 w-3.5 ${isSelected ? "text-primary" : "text-muted-foreground"}`}
                           />
-                          <span className="flex-1 text-xs">{column.columnLabel || column.columnName}</span>
+                          <span className="flex-1 text-xs">{column.column_label || column.column_name}</span>
                           <span className="text-muted-foreground text-[10px]">
-                            {column.valueCount !== undefined ? `${column.valueCount}개` : "..."}
+                            {column.value_count !== undefined ? `${column.value_count}개` : "..."}
                           </span>
                         </div>
                       </div>
diff --git a/frontend/components/v2/config-panels/V2TableListConfigPanel.tsx b/frontend/components/v2/config-panels/V2TableListConfigPanel.tsx
index 8af58507..45091f54 100644
--- a/frontend/components/v2/config-panels/V2TableListConfigPanel.tsx
+++ b/frontend/components/v2/config-panels/V2TableListConfigPanel.tsx
@@ -237,8 +237,8 @@ export const V2TableListConfigPanel: React.FC<V2TableListConfigPanelProps> = ({
 
   const [entityDisplayConfigs, setEntityDisplayConfigs] = useState<
     Record<string, {
-      sourceColumns: Array<{ columnName: string; displayName: string; dataType: string }>;
-      joinColumns: Array<{ columnName: string; displayName: string; dataType: string }>;
+      sourceColumns: Array<{ column_name: string; display_name: string; data_type: string }>;
+      joinColumns: Array<{ column_name: string; display_name: string; data_type: string }>;
       selectedColumns: string[];
       separator: string;
     }>
@@ -529,7 +529,7 @@ export const V2TableListConfigPanel: React.FC<V2TableListConfigPanelProps> = ({
       const sourceResult = await entityJoinApi.getReferenceTableColumns(sourceTable);
       const sourceColumns = sourceResult.columns || [];
 
-      let joinColumns: Array<{ columnName: string; displayName: string; dataType: string }> = [];
+      let joinColumns: Array<{ column_name: string; display_name: string; data_type: string }> = [];
       if (joinTable) {
         try {
           const joinResult = await entityJoinApi.getReferenceTableColumns(joinTable);
@@ -1165,17 +1165,17 @@ export const V2TableListConfigPanel: React.FC<V2TableListConfigPanelProps> = ({
                                       >
                                         {entityDisplayConfigs[column.columnName].sourceColumns.map((col) => (
                                           <CommandItem
-                                            key={`source-${col.columnName}`}
-                                            onSelect={() => toggleEntityDisplayColumn(column.columnName, col.columnName)}
+                                            key={`source-${col.column_name}`}
+                                            onSelect={() => toggleEntityDisplayColumn(column.columnName, col.column_name)}
                                             className="text-xs"
                                           >
                                             <Check
                                               className={cn(
                                                 "mr-2 h-4 w-4",
-                                                entityDisplayConfigs[column.columnName].selectedColumns.includes(col.columnName) ? "opacity-100" : "opacity-0",
+                                                entityDisplayConfigs[column.columnName].selectedColumns.includes(col.column_name) ? "opacity-100" : "opacity-0",
                                               )}
                                             />
-                                            {col.displayName}
+                                            {col.display_name}
                                           </CommandItem>
                                         ))}
                                       </CommandGroup>
@@ -1184,17 +1184,17 @@ export const V2TableListConfigPanel: React.FC<V2TableListConfigPanelProps> = ({
                                       <CommandGroup heading={`참조 테이블: ${column.entityDisplayConfig?.joinTable}`}>
                                         {entityDisplayConfigs[column.columnName].joinColumns.map((col) => (
                                           <CommandItem
-                                            key={`join-${col.columnName}`}
-                                            onSelect={() => toggleEntityDisplayColumn(column.columnName, col.columnName)}
+                                            key={`join-${col.column_name}`}
+                                            onSelect={() => toggleEntityDisplayColumn(column.columnName, col.column_name)}
                                             className="text-xs"
                                           >
                                             <Check
                                               className={cn(
                                                 "mr-2 h-4 w-4",
-                                                entityDisplayConfigs[column.columnName].selectedColumns.includes(col.columnName) ? "opacity-100" : "opacity-0",
+                                                entityDisplayConfigs[column.columnName].selectedColumns.includes(col.column_name) ? "opacity-100" : "opacity-0",
                                               )}
                                             />
-                                            {col.displayName}
+                                            {col.display_name}
                                           </CommandItem>
                                         ))}
                                       </CommandGroup>
diff --git a/frontend/hooks/queries/useCodes.ts b/frontend/hooks/queries/useCodes.ts
index b46c5192..bd9ac3c5 100644
--- a/frontend/hooks/queries/useCodes.ts
+++ b/frontend/hooks/queries/useCodes.ts
@@ -15,7 +15,7 @@ export const queryKeys = {
   tables: {
     all: ["tables"] as const,
     columns: (tableName: string) => ["tables", "columns", tableName] as const,
-    codeCategory: (tableName: string, columnName: string) => ["tables", "codeCategory", tableName, columnName] as const,
+    code_category: (tableName: string, columnName: string) => ["tables", "code_category", tableName, columnName] as const,
   },
   categories: {
     all: ["categories"] as const,
@@ -26,15 +26,15 @@ export const queryKeys = {
 // 테이블 컬럼의 코드 카테고리 조회
 export function useTableCodeCategory(tableName?: string, columnName?: string) {
   return useQuery({
-    queryKey: queryKeys.tables.codeCategory(tableName || "", columnName || ""),
+    queryKey: queryKeys.tables.code_category(tableName || "", columnName || ""),
     queryFn: async () => {
       if (!tableName || !columnName) return null;
 
       const columns = await tableTypeApi.getColumns(tableName);
-      const targetColumn = columns.find((col) => col.columnName === columnName);
+      const targetColumn = columns.find((col) => col.column_name === columnName);
 
       const codeCategory =
-        targetColumn?.codeCategory && targetColumn.codeCategory !== "none" ? targetColumn.codeCategory : null;
+        targetColumn?.code_category && targetColumn.code_category !== "none" ? targetColumn.code_category : null;
 
       return codeCategory;
     },
@@ -46,9 +46,9 @@ export function useTableCodeCategory(tableName?: string, columnName?: string) {
 
 // 🆕 테이블 컬럼의 계층구조 설정 조회 (대분류/중분류/소분류)
 interface ColumnHierarchyInfo {
-  hierarchyRole?: "large" | "medium" | "small";
-  hierarchyParentField?: string;
-  codeCategory?: string;
+  hierarchy_role?: "large" | "medium" | "small";
+  hierarchy_parent_field?: string;
+  code_category?: string;
 }
 
 export function useTableColumnHierarchy(tableName?: string, columnName?: string) {
@@ -58,59 +58,59 @@ export function useTableColumnHierarchy(tableName?: string, columnName?: string)
       if (!tableName || !columnName) return null;
 
       const columns = await tableTypeApi.getColumns(tableName);
-      const targetColumn = columns.find((col) => col.columnName === columnName);
+      const targetColumn = columns.find((col) => col.column_name === columnName);
 
       if (!targetColumn) return null;
 
-      // detailSettings에서 hierarchyRole 추출
-      let hierarchyRole: ColumnHierarchyInfo["hierarchyRole"];
-      let hierarchyParentField: string | undefined;
+      // detail_settings에서 hierarchy_role 추출
+      let hierarchy_role: ColumnHierarchyInfo["hierarchy_role"];
+      let hierarchy_parent_field: string | undefined;
 
-      if (targetColumn.detailSettings) {
+      if (targetColumn.detail_settings) {
         try {
           const settings =
-            typeof targetColumn.detailSettings === "string"
-              ? JSON.parse(targetColumn.detailSettings)
-              : targetColumn.detailSettings;
+            typeof targetColumn.detail_settings === "string"
+              ? JSON.parse(targetColumn.detail_settings)
+              : targetColumn.detail_settings;
 
-          hierarchyRole = settings.hierarchyRole;
-          hierarchyParentField = settings.hierarchyParentField;
+          hierarchy_role = settings.hierarchy_role;
+          hierarchy_parent_field = settings.hierarchy_parent_field;
         } catch {
           // JSON 파싱 실패 시 무시
         }
       }
 
-      // hierarchyParentField가 없으면 같은 codeCategory를 가진 상위 역할 컬럼을 자동으로 찾음
-      if (hierarchyRole && !hierarchyParentField && targetColumn.codeCategory) {
+      // hierarchy_parent_field가 없으면 같은 code_category를 가진 상위 역할 컬럼을 자동으로 찾음
+      if (hierarchy_role && !hierarchy_parent_field && targetColumn.code_category) {
         const roleOrder = { large: 0, medium: 1, small: 2 };
-        const currentOrder = roleOrder[hierarchyRole];
+        const currentOrder = roleOrder[hierarchy_role];
 
         if (currentOrder > 0) {
-          // 같은 codeCategory를 가진 컬럼들 중에서 상위 역할을 찾음
+          // 같은 code_category를 가진 컬럼들 중에서 상위 역할을 찾음
           const parentRole = currentOrder === 1 ? "large" : "medium";
 
           const parentColumn = columns.find((col) => {
-            if (col.codeCategory !== targetColumn.codeCategory) return false;
+            if (col.code_category !== targetColumn.code_category) return false;
 
             try {
               const colSettings =
-                typeof col.detailSettings === "string" ? JSON.parse(col.detailSettings) : col.detailSettings;
-              return colSettings?.hierarchyRole === parentRole;
+                typeof col.detail_settings === "string" ? JSON.parse(col.detail_settings) : col.detail_settings;
+              return colSettings?.hierarchy_role === parentRole;
             } catch {
               return false;
             }
           });
 
           if (parentColumn) {
-            hierarchyParentField = parentColumn.columnName;
+            hierarchy_parent_field = parentColumn.column_name;
           }
         }
       }
 
       return {
-        hierarchyRole,
-        hierarchyParentField,
-        codeCategory: targetColumn.codeCategory,
+        hierarchy_role,
+        hierarchy_parent_field,
+        code_category: targetColumn.code_category,
       };
     },
     enabled: !!(tableName && columnName),
@@ -135,9 +135,8 @@ export function useCodeOptions(codeCategory?: string, enabled: boolean = true, m
 
       if (response.success && response.data) {
         const options = response.data.map((code: any) => {
-          const actualValue = code.code || code.CODE || code.value || code.code_value || code.codeValue;
+          const actualValue = code.code || code.CODE || code.value || code.code_value;
           const actualLabel =
-            code.codeName ||
             code.code_name ||
             code.name ||
             code.CODE_NAME ||
@@ -151,7 +150,7 @@ export function useCodeOptions(codeCategory?: string, enabled: boolean = true, m
 
           // 계층구조 정보 포함
           const depth = code.depth ?? 1;
-          const parentCodeValue = code.parentCodeValue || code.parent_code_value || null;
+          const parentCodeValue = code.parent_code_value || null;
 
           return {
             value: actualValue,
@@ -207,10 +206,10 @@ export function useUpdateCode() {
   return useMutation({
     mutationFn: ({ categoryCode, codeValue, data }: { categoryCode: string; codeValue: string; data: any }) =>
       commonCodeApi.codes.update(categoryCode, codeValue, data),
-    onSuccess: (_, variables) => {
+    onSuccess: (_, { categoryCode, codeValue }) => {
       // 해당 코드 상세 쿼리 무효화
       queryClient.invalidateQueries({
-        queryKey: queryKeys.codes.detail(variables.categoryCode, variables.codeValue),
+        queryKey: queryKeys.codes.detail(categoryCode, codeValue),
       });
       // 해당 카테고리의 모든 코드 관련 쿼리 무효화
       queryClient.invalidateQueries({
@@ -218,7 +217,7 @@ export function useUpdateCode() {
       });
       // 무한 스크롤 쿼리도 명시적으로 무효화
       queryClient.invalidateQueries({
-        queryKey: queryKeys.codes.infiniteList(variables.categoryCode),
+        queryKey: queryKeys.codes.infiniteList(categoryCode),
       });
     },
   });
@@ -231,17 +230,17 @@ export function useDeleteCode() {
   return useMutation({
     mutationFn: ({ categoryCode, codeValue }: { categoryCode: string; codeValue: string }) =>
       commonCodeApi.codes.delete(categoryCode, codeValue),
-    onSuccess: (_, variables) => {
+    onSuccess: (_, { categoryCode, codeValue }) => {
       // 해당 코드 관련 쿼리 무효화 및 캐시 제거
       queryClient.invalidateQueries({
         queryKey: queryKeys.codes.all,
       });
       // 무한 스크롤 쿼리도 명시적으로 무효화
       queryClient.invalidateQueries({
-        queryKey: queryKeys.codes.infiniteList(variables.categoryCode),
+        queryKey: queryKeys.codes.infiniteList(categoryCode),
       });
       queryClient.removeQueries({
-        queryKey: queryKeys.codes.detail(variables.categoryCode, variables.codeValue),
+        queryKey: queryKeys.codes.detail(categoryCode, codeValue),
       });
     },
   });
@@ -272,7 +271,7 @@ export function useReorderCodes() {
 
         // 기존 데이터를 복사하고 sort_order만 업데이트
         const updatedCodes = [...previousCodesArray].map((code: any) => {
-          const newCodeData = codes.find((c) => c.codeValue === code.code_value);
+          const newCodeData = codes.find(({ codeValue }) => codeValue === code.code_value);
           return newCodeData ? { ...code, sort_order: newCodeData.sortOrder } : code;
         });
 
diff --git a/frontend/lib/api/entityJoin.ts b/frontend/lib/api/entityJoin.ts
index a431bb73..1b40f72f 100644
--- a/frontend/lib/api/entityJoin.ts
+++ b/frontend/lib/api/entityJoin.ts
@@ -26,9 +26,10 @@ export interface EntityJoinResponse {
 }
 
 export interface ReferenceTableColumn {
-  columnName: string;
-  displayName: string;
-  dataType: string;
+  column_name: string;
+  display_name: string;
+  data_type: string;
+  input_type?: string;
 }
 
 export interface CacheStatus {
diff --git a/frontend/lib/registry/components/split-panel-layout2/ColumnConfigModal.tsx b/frontend/lib/registry/components/split-panel-layout2/ColumnConfigModal.tsx
index 145542a1..a7c17bd1 100644
--- a/frontend/lib/registry/components/split-panel-layout2/ColumnConfigModal.tsx
+++ b/frontend/lib/registry/components/split-panel-layout2/ColumnConfigModal.tsx
@@ -52,9 +52,9 @@ interface ColumnInfo {
 
 // 참조 테이블 컬럼 정보
 interface ReferenceColumnInfo {
-  columnName: string;
-  displayName: string;
-  dataType: string;
+  column_name: string;
+  display_name: string;
+  data_type: string;
 }
 
 interface ColumnConfigModalProps {
@@ -736,26 +736,26 @@ export const ColumnConfigModal: React.FC<ColumnConfigModalProps> = ({
                       <ScrollArea className="max-h-40">
                         <div className="space-y-2 pr-4">
                           {entityInfo.referenceColumns.map((col) => {
-                            const isSelected = (editingColumn.entityReference?.displayColumns || []).includes(col.columnName);
+                            const isSelected = (editingColumn.entityReference?.displayColumns || []).includes(col.column_name);
                             return (
-                              <div 
-                                key={col.columnName} 
+                              <div
+                                key={col.column_name}
                                 className={cn(
                                   "flex items-center gap-2 p-2 rounded-md cursor-pointer hover:bg-muted/50 transition-colors",
                                   isSelected && "bg-muted"
                                 )}
-                                onClick={() => toggleEntityDisplayColumn(col.columnName)}
+                                onClick={() => toggleEntityDisplayColumn(col.column_name)}
                               >
                                 <Checkbox
                                   checked={isSelected}
-                                  onCheckedChange={() => toggleEntityDisplayColumn(col.columnName)}
+                                  onCheckedChange={() => toggleEntityDisplayColumn(col.column_name)}
                                 />
                                 <div className="flex-1 min-w-0">
                                   <span className="text-sm font-medium truncate block">
-                                    {col.displayName || col.columnName}
+                                    {col.display_name || col.column_name}
                                   </span>
                                   <span className="text-xs text-muted-foreground truncate block">
-                                    {col.columnName} ({col.dataType})
+                                    {col.column_name} ({col.data_type})
                                   </span>
                                 </div>
                               </div>
@@ -772,13 +772,13 @@ export const ColumnConfigModal: React.FC<ColumnConfigModalProps> = ({
                         </p>
                         <div className="flex flex-wrap gap-1">
                           {(editingColumn.entityReference?.displayColumns || []).map((colName) => {
-                            const colInfo = entityInfo.referenceColumns.find(c => c.columnName === colName);
+                            const colInfo = entityInfo.referenceColumns.find(c => c.column_name === colName);
                             return (
                               <span
                                 key={colName}
                                 className="inline-flex items-center px-2 py-0.5 rounded-full text-xs bg-primary/10 text-primary"
                               >
-                                {colInfo?.displayName || colName}
+                                {colInfo?.display_name || colName}
                               </span>
                             );
                           })}
diff --git a/frontend/lib/registry/components/table-list/TableListConfigPanel.tsx b/frontend/lib/registry/components/table-list/TableListConfigPanel.tsx
index 1746cd9f..7d1aebec 100644
--- a/frontend/lib/registry/components/table-list/TableListConfigPanel.tsx
+++ b/frontend/lib/registry/components/table-list/TableListConfigPanel.tsx
@@ -159,8 +159,8 @@ export const TableListConfigPanel: React.FC<TableListConfigPanelProps> = ({
     Record<
       string,
       {
-        sourceColumns: Array<{ columnName: string; displayName: string; dataType: string }>;
-        joinColumns: Array<{ columnName: string; displayName: string; dataType: string }>;
+        sourceColumns: Array<{ column_name: string; display_name: string; data_type: string }>;
+        joinColumns: Array<{ column_name: string; display_name: string; data_type: string }>;
         selectedColumns: string[];
         separator: string;
       }
@@ -691,7 +691,7 @@ export const TableListConfigPanel: React.FC<TableListConfigPanelProps> = ({
       const sourceColumns = sourceResult.columns || [];
 
       // joinTable이 있으면 조인 테이블 컬럼도 로드
-      let joinColumns: Array<{ columnName: string; displayName: string; dataType: string }> = [];
+      let joinColumns: Array<{ column_name: string; display_name: string; data_type: string }> = [];
       if (joinTable) {
         try {
           const joinResult = await entityJoinApi.getReferenceTableColumns(joinTable);
@@ -1049,21 +1049,21 @@ export const TableListConfigPanel: React.FC<TableListConfigPanelProps> = ({
                                     >
                                       {entityDisplayConfigs[column.columnName].sourceColumns.map((col) => (
                                         <CommandItem
-                                          key={`source-${col.columnName}`}
-                                          onSelect={() => toggleEntityDisplayColumn(column.columnName, col.columnName)}
+                                          key={`source-${col.column_name}`}
+                                          onSelect={() => toggleEntityDisplayColumn(column.columnName, col.column_name)}
                                           className="text-xs"
                                         >
                                           <Check
                                             className={cn(
                                               "mr-2 h-4 w-4",
                                               entityDisplayConfigs[column.columnName].selectedColumns.includes(
-                                                col.columnName,
+                                                col.column_name,
                                               )
                                                 ? "opacity-100"
                                                 : "opacity-0",
                                             )}
                                           />
-                                          {col.displayName}
+                                          {col.display_name}
                                         </CommandItem>
                                       ))}
                                     </CommandGroup>
@@ -1072,21 +1072,21 @@ export const TableListConfigPanel: React.FC<TableListConfigPanelProps> = ({
                                     <CommandGroup heading={`참조 테이블: ${column.entityDisplayConfig?.joinTable}`}>
                                       {entityDisplayConfigs[column.columnName].joinColumns.map((col) => (
                                         <CommandItem
-                                          key={`join-${col.columnName}`}
-                                          onSelect={() => toggleEntityDisplayColumn(column.columnName, col.columnName)}
+                                          key={`join-${col.column_name}`}
+                                          onSelect={() => toggleEntityDisplayColumn(column.columnName, col.column_name)}
                                           className="text-xs"
                                         >
                                           <Check
                                             className={cn(
                                               "mr-2 h-4 w-4",
                                               entityDisplayConfigs[column.columnName].selectedColumns.includes(
-                                                col.columnName,
+                                                col.column_name,
                                               )
                                                 ? "opacity-100"
                                                 : "opacity-0",
                                             )}
                                           />
-                                          {col.displayName}
+                                          {col.display_name}
                                         </CommandItem>
                                       ))}
                                     </CommandGroup>
diff --git a/frontend/lib/registry/components/v2-category-manager/V2CategoryManagerComponent.tsx b/frontend/lib/registry/components/v2-category-manager/V2CategoryManagerComponent.tsx
index 22485ec9..57ca3fb2 100644
--- a/frontend/lib/registry/components/v2-category-manager/V2CategoryManagerComponent.tsx
+++ b/frontend/lib/registry/components/v2-category-manager/V2CategoryManagerComponent.tsx
@@ -58,7 +58,7 @@ export function V2CategoryManagerComponent({
   const handleColumnsLoaded = useCallback((loaded: CategoryColumn[]) => {
     setColumns(loaded);
     if (loaded.length > 0) {
-      setSelectedTable((prev) => prev ?? loaded[0].tableName);
+      setSelectedTable((prev) => prev ?? loaded[0].table_name);
     }
   }, []);
 
@@ -77,14 +77,14 @@ export function V2CategoryManagerComponent({
 
   const stats = useMemo(() => {
     const columnCount = columns.length;
-    const totalValues = columns.reduce((sum, c) => sum + (c.valueCount ?? 0), 0);
-    const tableCount = new Set(columns.map((c) => c.tableName)).size;
+    const totalValues = columns.reduce((sum, c) => sum + (c.value_count ?? 0), 0);
+    const tableCount = new Set(columns.map((c) => c.table_name)).size;
     const inactiveCount = 0;
     return { columnCount, totalValues, tableCount, inactiveCount };
   }, [columns]);
 
   const columnsForSelectedTable = useMemo(
-    () => (selectedTable ? columns.filter((c) => c.tableName === selectedTable) : []),
+    () => (selectedTable ? columns.filter((c) => c.table_name === selectedTable) : []),
     [columns, selectedTable],
   );
 
@@ -219,14 +219,14 @@ export function V2CategoryManagerComponent({
           {/* 칩 바 */}
           <div className="flex flex-wrap gap-1.5 border-b bg-background px-4 py-3">
             {columnsForSelectedTable.map((col) => {
-              const uniqueKey = `${col.tableName}.${col.columnName}`;
+              const uniqueKey = `${col.table_name}.${col.column_name}`;
               const isActive = selectedColumn?.uniqueKey === uniqueKey;
               return (
                 <button
                   key={uniqueKey}
                   type="button"
                   onClick={() =>
-                    handleColumnSelect(uniqueKey, col.columnLabel || col.columnName, col.tableName)
+                    handleColumnSelect(uniqueKey, col.column_label || col.column_name, col.table_name)
                   }
                   className={cn(
                     "inline-flex items-center gap-1.5 rounded-full border px-[10px] py-[5px] text-[11px] font-semibold transition-colors",
@@ -235,7 +235,7 @@ export function V2CategoryManagerComponent({
                       : "border-border bg-muted/50 hover:border-primary hover:bg-primary/5 hover:text-primary",
                   )}
                 >
-                  <span>{col.columnLabel || col.columnName}</span>
+                  <span>{col.column_label || col.column_name}</span>
                   <Badge
                     variant="secondary"
                     className={cn(
@@ -243,7 +243,7 @@ export function V2CategoryManagerComponent({
                       isActive ? "bg-primary/15 text-primary" : "bg-muted text-muted-foreground",
                     )}
                   >
-                    {col.valueCount ?? 0}
+                    {col.value_count ?? 0}
                   </Badge>
                 </button>
               );
diff --git a/frontend/lib/registry/components/v2-table-list/TableListConfigPanel.tsx b/frontend/lib/registry/components/v2-table-list/TableListConfigPanel.tsx
index b9413937..a31a0281 100644
--- a/frontend/lib/registry/components/v2-table-list/TableListConfigPanel.tsx
+++ b/frontend/lib/registry/components/v2-table-list/TableListConfigPanel.tsx
@@ -176,8 +176,8 @@ export const TableListConfigPanel: React.FC<TableListConfigPanelProps> = ({
     Record<
       string,
       {
-        sourceColumns: Array<{ columnName: string; displayName: string; dataType: string }>;
-        joinColumns: Array<{ columnName: string; displayName: string; dataType: string }>;
+        sourceColumns: Array<{ column_name: string; display_name: string; data_type: string }>;
+        joinColumns: Array<{ column_name: string; display_name: string; data_type: string }>;
         selectedColumns: string[];
         separator: string;
       }
@@ -711,7 +711,7 @@ export const TableListConfigPanel: React.FC<TableListConfigPanelProps> = ({
       const sourceColumns = sourceResult.columns || [];
 
       // joinTable이 있으면 조인 테이블 컬럼도 로드
-      let joinColumns: Array<{ columnName: string; displayName: string; dataType: string }> = [];
+      let joinColumns: Array<{ column_name: string; display_name: string; data_type: string }> = [];
       if (joinTable) {
         try {
           const joinResult = await entityJoinApi.getReferenceTableColumns(joinTable);
@@ -1248,21 +1248,21 @@ export const TableListConfigPanel: React.FC<TableListConfigPanelProps> = ({
                                     >
                                       {entityDisplayConfigs[column.columnName].sourceColumns.map((col) => (
                                         <CommandItem
-                                          key={`source-${col.columnName}`}
-                                          onSelect={() => toggleEntityDisplayColumn(column.columnName, col.columnName)}
+                                          key={`source-${col.column_name}`}
+                                          onSelect={() => toggleEntityDisplayColumn(column.columnName, col.column_name)}
                                           className="text-xs"
                                         >
                                           <Check
                                             className={cn(
                                               "mr-2 h-4 w-4",
                                               entityDisplayConfigs[column.columnName].selectedColumns.includes(
-                                                col.columnName,
+                                                col.column_name,
                                               )
                                                 ? "opacity-100"
                                                 : "opacity-0",
                                             )}
                                           />
-                                          {col.displayName}
+                                          {col.display_name}
                                         </CommandItem>
                                       ))}
                                     </CommandGroup>
@@ -1271,21 +1271,21 @@ export const TableListConfigPanel: React.FC<TableListConfigPanelProps> = ({
                                     <CommandGroup heading={`참조 테이블: ${column.entityDisplayConfig?.joinTable}`}>
                                       {entityDisplayConfigs[column.columnName].joinColumns.map((col) => (
                                         <CommandItem
-                                          key={`join-${col.columnName}`}
-                                          onSelect={() => toggleEntityDisplayColumn(column.columnName, col.columnName)}
+                                          key={`join-${col.column_name}`}
+                                          onSelect={() => toggleEntityDisplayColumn(column.columnName, col.column_name)}
                                           className="text-xs"
                                         >
                                           <Check
                                             className={cn(
                                               "mr-2 h-4 w-4",
                                               entityDisplayConfigs[column.columnName].selectedColumns.includes(
-                                                col.columnName,
+                                                col.column_name,
                                               )
                                                 ? "opacity-100"
                                                 : "opacity-0",
                                             )}
                                           />
-                                          {col.displayName}
+                                          {col.display_name}
                                         </CommandItem>
                                       ))}
                                     </CommandGroup>