diff --git a/services/account-service/src/main/resources/db/account-service-schema.sql b/services/account-service/src/main/resources/db/account-service-schema.sql
index 21b2d3c2..eda402b0 100644
--- a/services/account-service/src/main/resources/db/account-service-schema.sql
+++ b/services/account-service/src/main/resources/db/account-service-schema.sql
@@ -68,7 +68,7 @@ CREATE TABLE IF NOT EXISTS ACCOUNT
     UNIQUE KEY uk_account_connection_hash (codef_connection_id, account_no_hash),
     INDEX ix_account_user_status (user_id, status),
     CONSTRAINT fk_account_codef_connection FOREIGN KEY (codef_connection_id)
-        REFERENCES CODEF_CONNECTION (codef_connection_id)
+        REFERENCES CODEF_CONNECTION (codef_connection_id) ON DELETE CASCADE
 ) ENGINE = InnoDB
   DEFAULT CHARSET = utf8mb4;
 
@@ -95,7 +95,7 @@ CREATE TABLE IF NOT EXISTS ACCOUNT_TRANSACTION
     updated_at    DATETIME      NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
     UNIQUE KEY uk_account_transaction_fingerprint (account_id, fingerprint),
     INDEX ix_account_transaction_account_date (account_id, tran_date),
-    CONSTRAINT fk_account_transaction_account FOREIGN KEY (account_id) REFERENCES ACCOUNT (account_id)
+    CONSTRAINT fk_account_transaction_account FOREIGN KEY (account_id) REFERENCES ACCOUNT (account_id) ON DELETE CASCADE
 ) ENGINE = InnoDB
   DEFAULT CHARSET = utf8mb4;
 
@@ -135,7 +135,7 @@ CREATE TABLE IF NOT EXISTS ACCOUNT_SYNC_STATE
     updated_at                  DATETIME    NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
     UNIQUE KEY uk_account_sync_state_connection_org (codef_connection_id, organization_code),
     CONSTRAINT fk_account_sync_state_codef_connection FOREIGN KEY (codef_connection_id)
-        REFERENCES CODEF_CONNECTION (codef_connection_id)
+        REFERENCES CODEF_CONNECTION (codef_connection_id) ON DELETE CASCADE
 ) ENGINE = InnoDB
   DEFAULT CHARSET = utf8mb4;
 
@@ -154,6 +154,6 @@ CREATE TABLE IF NOT EXISTS TXN_ANALYSIS
 
     CONSTRAINT fk_txn_analysis_transaction
     FOREIGN KEY (account_transaction_id)
-    REFERENCES ACCOUNT_TRANSACTION (account_transaction_id)
+    REFERENCES ACCOUNT_TRANSACTION (account_transaction_id) ON DELETE CASCADE
     ) ENGINE = InnoDB
     DEFAULT CHARSET = utf8mb4;
\ No newline at end of file
diff --git a/services/payment-service/src/main/resources/db/payment-service-schema.sql b/services/payment-service/src/main/resources/db/payment-service-schema.sql
index 81144671..89524cbc 100644
--- a/services/payment-service/src/main/resources/db/payment-service-schema.sql
+++ b/services/payment-service/src/main/resources/db/payment-service-schema.sql
@@ -43,7 +43,7 @@ ALTER TABLE `PAYMENT` ADD CONSTRAINT `FK_SUBSCRIPTION_TO_PAYMENT_1` FOREIGN KEY
     )
     REFERENCES `SUBSCRIPTION` (
                                `subscription_id`
-        );
+        ) ON DELETE CASCADE;
 
 -- ============================================================
 -- Unique Constraint
diff --git a/services/work-service/src/main/resources/db/work-service-schema.sql b/services/work-service/src/main/resources/db/work-service-schema.sql
index b1e3e43e..4303daf7 100644
--- a/services/work-service/src/main/resources/db/work-service-schema.sql
+++ b/services/work-service/src/main/resources/db/work-service-schema.sql
@@ -85,7 +85,8 @@ CREATE TABLE `ALLOCATION_GOAL` (
 	`allocation_goal_id`	BIGINT	NOT NULL AUTO_INCREMENT,
 	`job_id`	BIGINT	NOT NULL,
 	`target_month`	VARCHAR(7)	NOT NULL,
-	`recommend_hour`	BIGINT	NOT NULL
+	`recommend_hour`	BIGINT	NOT NULL,
+	PRIMARY KEY (`allocation_goal_id`)
 );
 
 -- 8. SAVING_GOAL (월별 저축 목표: 목표 소득액 + 적정 피로도)
@@ -147,10 +148,6 @@ ALTER TABLE `PLATFORM` ADD CONSTRAINT `PK_PLATFORM` PRIMARY KEY (
 	`platform_id`
 );
 
-ALTER TABLE `ALLOCATION_GOAL` ADD CONSTRAINT `PK_ALLOCATION_GOAL` PRIMARY KEY (
-	`allocation_goal_id`
-);
-
 -- ============================================================
 -- Foreign Key (work-service 내부 참조만 - 서비스 내부는 FK 유지)
 -- ============================================================
@@ -174,7 +171,7 @@ ALTER TABLE `JOBPLATFORMMAPPING` ADD CONSTRAINT `FK_JOB_TO_JOBPLATFORMMAPPING_1`
 )
 REFERENCES `JOB` (
 	`job_id`
-);
+) ON DELETE CASCADE;
 
 ALTER TABLE `JOBPLATFORMMAPPING` ADD CONSTRAINT `FK_PLATFORM_TO_JOBPLATFORMMAPPING_1` FOREIGN KEY (
 	`platform_id`
@@ -188,21 +185,21 @@ ALTER TABLE `JOB_SCHEDULE` ADD CONSTRAINT `FK_JOB_TO_JOB_SCHEDULE_1` FOREIGN KEY
 )
 REFERENCES `JOB` (
 	`job_id`
-);
+) ON DELETE CASCADE;
 
 ALTER TABLE `WORK_LOG` ADD CONSTRAINT `FK_JOB_TO_WORK_LOG_1` FOREIGN KEY (
 	`job_id`
 )
 REFERENCES `JOB` (
 	`job_id`
-);
+) ON DELETE CASCADE;
 
 ALTER TABLE `WORK_LOG_PLATFORM_INCOME` ADD CONSTRAINT `FK_WORK_LOG_TO_WORK_LOG_PLATFORM_INCOME_1` FOREIGN KEY (
 	`log_id`
 )
 REFERENCES `WORK_LOG` (
 	`log_id`
-);
+) ON DELETE CASCADE;
 
 ALTER TABLE `WORK_LOG_PLATFORM_INCOME` ADD CONSTRAINT `FK_PLATFORM_TO_WORK_LOG_PLATFORM_INCOME_1` FOREIGN KEY (
 	`platform_id`
@@ -216,14 +213,14 @@ ALTER TABLE `SETTLEMENT` ADD CONSTRAINT `FK_JOB_TO_SETTLEMENT_1` FOREIGN KEY (
 )
 REFERENCES `JOB` (
 	`job_id`
-);
+) ON DELETE CASCADE;
 
 ALTER TABLE `ALLOCATION_GOAL` ADD CONSTRAINT `FK_JOB_TO_ALLOCATION_GOAL_1` FOREIGN KEY (
 	`job_id`
 )
 REFERENCES `JOB` (
 	`job_id`
-);
+) ON DELETE CASCADE;
 
 -- ============================================================
 -- Index (job_id 기준 - 체크리스트 항목)