A: REVOKE UPDATE ON TABLE STUDENT FROM WANG
B: REVOKE UPDATE ON STUDENT FROM WANG
C: GRANT UPDATE ON STUDENT TO PUBLIC
D: REVOKE UPDATE ON TABLE STUDENT FROM PUBLIC
举一反三
- 下列SQL语句中,能够实现“收回用户user1对学生表中学号的修改权限”的是( )。 A: REVOKE UPDATE on student(sno) from ALL B: REVOKE UPDATE on student(sno) from user1 C: REVOKE UPDATE(sno) on student from user1 D: REVOKE UPDATE(sno) on student from PUBLIC
- 将查询和修改Student表的权限授给用户U4的SQL语句是(<br/>)。 A: GRANT<br/>SELECT, UPDATE ON TABLE Student TO U4 B: REVOKE<br/>SELECT, UPDATE ON TABLE Student FROM U4 C: GRANT<br/>SELECT ON TABLE Student TO U4 D: REVOKE<br/>UPDATE ON TABLE Student FROM U4
- 下列SQL语句中，能够实现“收回用户WANG对学生表(STUDENT)中学号(XH)的修改权”这一功能的是( )。 A．GRANT UPDATE(XH) ON STUDENT TO WANG B．GRANT UPDATE(XH) ON TABLE TO WANG C．REVOKE UPDATE(XH) ON STUDENT FROM WANG D．REVOKE UPDATE(XH) ON TABLE FROM WANG
- 使角色 R1 拥有 Student 表的 SELECT、UPDATE、INSERT 权限的语句是 A: GRANT SELECT, UPDATE, INSERT ON TABLE Student to R1 B: REVOKE SELECT, UPDATE, INSERT ON TABLE Student to R1 C: AUDIT SELECT, UPDATE, INSERT ON TABLE Student to R1 D: ROLE SELECT, UPDATE, INSERT ON TABLE Student to R1
- 下列SQL语句中，能够实现“收回用户lisi对学生表（Stud）中年龄（Age）的修改权限”这一功能的是( )。 A: revoke update(Age) on table from lisi B: revoke update (Age) on table from public C: revoke update (Age) on Stud from lisi D: revoke update (Age) on Stud from public
内容
- 0
使角色R1 减少 SELECT 权限的语句是 A: REVOKE SELECT ON TABLE Student FROM R1 B: REVOKE SELECT ON TABLE Student TO R1 C: GRANT SELECT ON TABLE Student FROM R1 D: GRANT SELECT ON TABLE Student TO R1
- 1
使角色 R1 在原来的基础上增加 Student 表的 DELETE 权限的语句是 A: GRANT DELETE ON TABLE Student FROM R1 B: GRANT DELETE ON TABLE Student TO R1 C: REVOKE DELETE ON TABLE Student FROM R1 D: REVOKE DELETE ON TABLE Student TO R1
- 2
将查询Student表和修改学生学号的权限授给用户U4。实现此功能的SQL语句是(<br/>)。 A: GRANT UPDATE(Sno),SELECT<br/>ON TABLE Student TO U4 ; B: GRANT UPDATE,SELECT<br/>ON TABLE Student TO U4 ; C: GRANT SELECT ON TABLE<br/>Student TO U4 ; D: GRANT UPDATE ON TABLE<br/>Student TO U4 ;
- 3
授予用户Mary可以修改Student表的权限,使用的SQL语句是( )。 A: GRANT UPDATE ON<br/>Student TO Mary B: GRANT UPDATE ON<br/>Mary TO Student C: GRANT UPDATE TO<br/>Mary ON Student D: GRANT UPDATE TO<br/>Student ON Mary
- 4
撤销user1用户修改st表中的“姓名”字段的权限,应使用的SQL语句是(<br/>) A: REVOKE<br/>UPDATE(姓名)<br/>ON st TABLE FROM user1 B: REVOKE<br/>UPDATE(姓名)<br/>ON TABLE st FROM user1 C: REVOKE<br/>MODIFY(姓名)<br/>ON st TABLE FROM user1 D: REVOKE<br/>MODIFY(姓名)<br/>ON TABLE st FROM user1