[单选题]SQL语句Grant Insert On Table SC To U5 With Grant Option的作用是A.U5拥有对表SC的Insert权限B.U5拥有传播Insert的权限C.U5拥有对表SC的Insert权限或拥有对Insert权限的传播D.U5不仅拥有对表SC的Insert权限,还可传播此权限
[单选题]SQL语句Grant Insert On Table SC To U5 With Grant Option 的作用是A.U5拥有对表SC的Insert权限B.U5拥有传播Insert的权限C.U5拥有对表SC的Insert权限或拥有对Insert权限的传播D.U5不仅拥有对表SC的Insert权限,还可传播此权限
[单选题]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(51)。A.REVOKE SELECT ON TABLE Emp FROM U5 CASCADE;B.REVOKE SELECT ON TABLE Emp FROM U5 RESTRICTC.REVOKE QUERY ON TABLE Emp FROM U5 CASCADE;D.GRANT SELECT ON TABLE Emp TO U5 WITH GRANT OPTION;
[单选题] 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;
[单选题] 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;
[试题]“把查询sc表和更新sc表的grade列的权限授予用户stul的正确SQL语句是__________。
[单选题]“把查询sc表和更新sc表的grade列的权限授予用户user”的正确SQL语句是( )。A.)GRANT SELECT sc,UP DATE sc.Grade TO userB.)GRANT SELECT,UP DATE (grade) ON TABLE sc TO userC.)GRANT SELECT,UP DATE ON TABLE sc.Grade TO userD.)GRANT SELECT ON TABLE sc,UP DATE ON TABLE sc(grade) TO user
[单选题]“把查询SC表和更新SC表的9rade列的权限授予用户user”的正确SQL语句是( )。A.)GRANT.SELECT sc, UPDATE sc.grade TO userB.)GRANT SELECT, UPDATE (grade) ON TABLE sc TO userC.)GRANT SELECT, UPDATE ON TABLE sc.grade TO userD.)GRANT SELECT ON TABLE sc, UPDATE ON TABLE sc(grade) TO user
[单选题]把查询Student表和修改学生学号的权限授给用户U4的SQL语句是( )。
[单选题]“把查询sc表和更新sc表的grade列的权限受予用户userl”的正确SQL语句是( )。A.)GRANT SELECT,UP DATE(grade)ON TABLE sc TO userlB.)GRANT SELECT sc,UP DATE sc,grade TO userlC.)GRANT SELECT,UP DATE ON TABLE sc,grade TO userlD.)GRANT SELECT ON ABLE sc,UP DATE ON TABLE sc(grade) TO use