题目内容

When should you create a role? ()

A. To simplify the process of creating new users using the CREATE USER xxx IDENTIFIED by yyy statement.
B. To grant a group of related privileges to a user.
C. When the number of people using the database is very high.
D. To simplify the process of granting and revoking privileges.
E. To simplify profile maintenance for a user who is constantly traveling.

查看答案
更多问题

“三个离不开”的思想是什么?

Everyone knows where the shop is, but who's the owner? ()

A. Steve.
B. Everyone does.
C. At the next door.
D. Yes, it‘s a secret.

对于外锁闭装置及相差设备工、电部门维护分工是如何规定的?

无线接入系统在开通调试时,所选施主小区信号源一定要(),强度尽量比邻频高()以上,以便解决切换问题。

答案查题题库