摘要： SELECT USER_CONS_COLUMNS.CONSTRAINT_NAME AS 约束名, USER_CONS_COLUMNS.TABLE_NAME AS 表名, USER_CONS_COLUMNS.COLUMN_NAME AS 列名, USER_CONS_COLUMNS.POSITION AS 位置FROM USER_CONSTRAINTS JOIN USER_CONS_COLUMNS ON (USER_CONSTRAINTS.CONSTRAINT_NAME = USER_CONS_COLUMNS.CONSTRAINT_NAME)WHERE CONSTRAINT_TYPE =... 阅读全文