다른 명령
외부키/FK 로 참조되는 테이블 조회
SELECT fk.owner, fk.constraint_name , fk.table_name FROM all_constraints fk , all_constraints pk WHERE fk.R_CONSTRAINT_NAME = pk.CONSTRAINT_NAME AND pk.owner = 'HUNELEHR' AND fk.CONSTRAINT_TYPE = 'R' AND pk.TABLE_NAME = 'PA1010' ORDER BY fk.TABLE_NAME