<MySQL>

SELECT RC.REFERENCED_TABLE_NAME AS PARENT_TABLE
     , RC.TABLE_NAME AS CHILD_TABLE
     , RC.CONSTRAINT_NAME
  FROM INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS RC
 WHERE RC.REFERENCED_TABLE_NAME = 'T_USER' -- 자식 테이블을 확인하고 싶은 부모 테이블명
 ORDER BY RC.TABLE_NAME

 

<Oracle>

SELECT PK.TABLE_NAME PARENT_TABLE
     , FK.TABLE_NAME CHILD_TABLE
     , FK.CONSTRAINT_NAME
  FROM ALL_CONSTRAINTS PK
     , ALL_CONSTRAINTS FK
 WHERE PK.CONSTRAINT_NAME = FK.R_CONSTRAINT_NAME
   AND PK.TABLE_NAME = 'T_USER' -- 자식 테이블을 확인하고 싶은 부모 테이블명
   AND FK.CONSTRAINT_TYPE = 'R'
 ORDER BY FK.TABLE_NAME

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