将查询和修改Student表的权限授给用户U4的SQL语句是(
)。
A: GRANT
SELECT, UPDATE ON TABLE Student TO U4
B: REVOKE
SELECT, UPDATE ON TABLE Student FROM U4
C: GRANT
SELECT ON TABLE Student TO U4
D: REVOKE
UPDATE ON TABLE Student FROM U4
)。
A: GRANT
SELECT, UPDATE ON TABLE Student TO U4
B: REVOKE
SELECT, UPDATE ON TABLE Student FROM U4
C: GRANT
SELECT ON TABLE Student TO U4
D: REVOKE
UPDATE ON TABLE Student FROM U4
举一反三
- 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 ;
- 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
- 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
- 收回所有用户对基本表STUDENT的UPDATE操作权限可由_____语句完成。 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
- 使用SQL SERVER,假设U1-U5用户已存在,请将对教学(STC)数据库进行如下操作的SQL语句补充完整。 (5)把查询Student表和修改学生学号的权限授给用户U4。[br][/br] grant select, on Student to U4