# ALTER MATERIALIZED VIEW
#### 语法
ALTER MATERIALIZED VIEW QUALIFIEDNAME SET PROPERTIES PROPERTY_NAME=PROPERTY_VALUE;
#### 描述
修改物化视图的属性，相关属性可以参考[CREATE MATERIALIZED VIEW](https://support.huaweicloud.com/cmpntguide-lts-mrs/mrs_01_300135.html)。
#### 示例
将"mv.default.mv1mv.mvtestprop.pepa_ss"的物化视图提交自动刷新任务的优先级"PROPERTIES"属性更新为"refresh_priority = 2"。
```
Alter materialized view mv.mvtestprop.pepa_ss set PROPERTIES refresh_priority = 2;
```