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
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