收回用戶li對表employee的查詢權(quán)限,同時級聯(lián)收回li授予其他用戶的該權(quán)限,SQL語句為:(1) select ON TABLE employee FROM li(2) ;(1)A.GRANT B.GIVE C.CALL BACK D.REVOKE (2)A.RESTRICT B.CASCADE C.WITH GRANT OPTION D.WITH CHECK OPTION