Add [IF EXISTS] support to following statements: - CREATE [IF NOT EXISTS] USER - CREATE [IF NOT EXISTS] ROLE - DROP [IF EXISTS] USER - DROP [IF EXISTS] ROLE
1.2 KiB
1.2 KiB
title, language
| title | language |
|---|---|
| DROP ROLE | zh-CN |
DROP ROLE
description
该语句用户删除一个角色
语法:
DROP ROLE [IF EXISTS] role1;
删除一个角色,不会影响之前属于该角色的用户的权限。仅相当于将该角色与用户解耦。用户已经从该角色中获取到的权限,不会改变。
example
1. 删除一个角色
DROP ROLE role1;
keyword
DROP, ROLE