收回用户li对表employee的查询权限,同时级联收旧li授予其他用户的该权限,SQL语句为:(52) select ON TABLE employee FROM li (53) ;(52)A.GRANTB.GIVEC.CALL BACKD.REVOKE
收回用户li对表employee的查询权限,同时级联收旧li授予其他用户的该权限,SQL语句为:
(52) select ON TABLE employee FROM li (53) ;
(52)
A.GRANT
B.GIVE
C.CALL BACK
D.REVOKE
相关考题:
利用SQL的GRANT语句可向用户授予操作权限。当用该语句向用户授予操作权限时,若允许用户将获得的权限再授予其他用户,应在该语句中使用短语( )。 A.WITH PRIVILEGES B.WITH OPTION C.WITH GRANT OPTION D.WITH ALL PRIVILEGES
● 收回用户li对表employee的查询权限,同时级联收回li授予其他用户的该权限,SQL语句为:(52) select ON TABLE employee FROM li (53) ;(52)A. GRANTB. GIVEC. CALL BACKD. REVOKE(53)A. RESTRICTB. CASCADEC. WITH GRANT OPTIOND. WITH CHECK OPTION
将查询关系S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.GRANTSELECTTOSONWANGWITHGRANTOPTIONB.GRANTSELECTONSTOWANGWITHGRANTOPTIONC.GRANTSELECTTOSTOWANGWITHGRANTOPTIOND.GRANTSELECTONSONWANGWITHGRANTOPTION
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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 CASCADEB.REVOKE SELECT ON TABLE Emp FROM U5 RESTRICTC.REVOKE QUERY ON TABLE Emp FROM U5 CASCADED.GRANT SELECT ON TABLE Emp TO U5 WITH GRANT OPTION
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 PUBLICB.GRANT SELECT ON SC TO Wang WITH PUBLICC.GRANT SELECT TO SC ON Wang WITH GRANT OPTIOND.GRANT SELECT ON SC TO Wang WITH GRANT OPTION
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 PUBLICB.GRANT SELECT ON SC TO Wang WITH PUBLICC.GRANT SELECT TO SC ON Wang WITH GRANT OPTIOND.GRANT SELECT ON SC TO Wang WITH GRANT OPTION
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 PUBLICB.GRANT SELECT ON SC TO Wang WITH PUBLICC.GRANT SELECT TO SC ON Wang WITH GRANT OPTIOND.GRANT SELECT ON SC TO Wang WITH GRANT OPTION