Oracle 根据表名与外鍵字段名获取外键所在的表名

SELECT F.TABLE_NAME, F.CONSTRAINT_NAME, F.COLUMN_NAME, F.POSITION, P.TABLE_NAME, P.COLUMN_NAME, P.POSITION

FROM USER_CONSTRAINTS R, USER_CONS_COLUMNS F, USER_CONS_COLUMNS P

WHERE R.OWNER = UPPER('dtsc_sys')

AND R.TABLE_NAME = UPPER('T_COM_USERS')

AND R.CONSTRAINT_TYPE = 'R'

AND R.CONSTRAINT_NAME = F.CONSTRAINT_NAME

AND R.R_CONSTRAINT_NAME = P.CONSTRAINT_NAME

AND F.POSITION = P.POSITION

ORDER BY F.TABLE_NAME, F.CONSTRAINT_NAME, F.POSITION;