---
toc_priority: 46
toc_title: 角色
---

## 操作角色 {#alter-role-statement}

修改角色.

语法示例:

``` sql
ALTER ROLE [IF EXISTS] name1 [ON CLUSTER cluster_name1] [RENAME TO new_name1]
        [, name2 [ON CLUSTER cluster_name2] [RENAME TO new_name2] ...]
    [SETTINGS variable [= value] [MIN [=] min_value] [MAX [=] max_value] [READONLY|WRITABLE] | PROFILE 'profile_name'] [,...]
```