110 lines
1.1 KiB
Markdown
110 lines
1.1 KiB
Markdown
ALTER USER
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===============================
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描述
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-----------
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该语句主要用于执行以下操作：
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* 修改 OceanBase 用户的密码。
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* 锁定或者解锁用户，且被锁定的用户不允许登录。
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**说明**
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必须拥有全局 UPDATE USER 的权限，才可以执行本命令。
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格式
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* 修改用户密码
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```javascript
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ALTER USER 'username' IDENTIFIED BY 'password';
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```
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* 锁定用户
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```javascript
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ALTER USER user [lock_option]
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lock_option:{
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ACCOUNT LOCK
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| ACCOUNT UNLOCK}
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```
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参数解释
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-------------
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| **参数** | **描述** |
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|----------------|--------|
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| ACCOUNT UNLOCK | 锁定用户。 |
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| ACCOUNT UNLOCK | 解锁用户。 |
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示例
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* 修改密码
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执行以下命令将用户 sqluser01 的密码修改为 abc123。
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```javascript
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ALTER USER 'sqluser01' IDENTIFIED BY 'abc123';
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```
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* 锁定用户
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锁定用户 obsqluser01。
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```javascript
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ALTER USER 'obsqluser01' ACCOUNT LOCK;
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```
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* 解锁用户
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解锁用户 obsqluser01。
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```javascript
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ALTER USER 'obsqluser01' ACCOUNT UNLOCK;
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```
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