● 撤销 U5 对 Emp 表的查询权限,并收回 U5 授予其它用户的该权限,SQL 语句是 (51) 。
(51)
A. REVOKE SELECT ON TABLE Emp FROM U5 CASCADE;
B. REVOKE SELECT ON TABLE Emp FROM U5 RESTRICT;
C. REVOKE QUERY ON TABLE Emp FROM U5 CASCADE;
D. GRANT SELECT ON TABLE Emp TO U5 WITH GRANT OPTION;
第1题:
将查询SC表的权限授予用户Wang,并允许该用户将此权限授予其他用户。实现此功能的SQL语句是()
A.GRANT SELECT TO SC ON Wang WITH PUBLIC
B.GRANT SELECT ON SC TO Wang WITH PUBLIC
C.GRANT SELECT TO SC ON Wang WITH GRANT OPTION
D.GRANT SELECT ON SC TO Wang WITH GRANT OPTION
第2题:
6、将查询SC表的权限授予用户Wang,并允许该用户将此权限授予其他用户。实现此功能的SQL语句是
A.GRANT SELECT TO SC ON Wang WITH PUBLIC
B.GRANT SELECT ON SC TO Wang WITH PUBLIC
C.GRANT SELECT TO SC ON Wang WITH GRANT OPTION
D.GRANT SELECT ON SC TO Wang WITH GRANT OPTION
第3题:
将查询SC表的权限授予用户Wang,并允许该用户将此权限授予其他用户。实现此功能的SQL语句是()。
A.GRANT SELECT TO SC ON Wang WITH PUBLIC
B.GRANT SELECT ON SC TO Wang WITH PUBLIC
C.GRANT SELECT TO SC ON Wang WITH GRANT OPTION
D.GRANT SELECT ON SC TO Wang WITH GRANT OPTION
第4题:
撤销U5对Emp表的查询权限,并收回U5授予其他用户的该权限,SQL语句是 () 。
A.REVOKE SELECT ON TABLE Emp FROM U5 CASCADE
B.REVOKE SELECT ON TABLE Emp FROM U5 RESTRICT
C.REVOKE QUERY ON TABLE Emp FROM U5 CASCADE
D.GRANT SELECT ON TABLE Emp TO U5 WITH GRANT OPTION
第5题:
将查询SC表的权限授予用户Wang,并允许该用户将此权限授予其他用户。实现此功能的SQL语句是——
A.GRANT SELECT TO SC ON Wang WITH PUBLIC
B.GRANT SELECT ON SC TO Wang WITH PUBLIC
C.GRANT SELECT TO SC ON Wang WITH GRANT OPTION
D.GRANT SELECT ON SC TO Wang WITH GRANT OPTION