--- slug: /zh/sql-reference/statements/alter/role sidebar_position: 46 sidebar_label: 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] [CONST|READONLY|WRITABLE|CHANGEABLE_IN_READONLY] | PROFILE 'profile_name'] [,...] ```