> For the complete documentation index, see [llms.txt](https://docs.postgresql.tw/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.postgresql.tw/reference/sql-commands/sql-alterrule.md).

# ALTER RULE

### ALTER RULE

ALTER RULE — change the definition of a rule

### Synopsis

```

ALTER RULE name ON table_name RENAME TO new_name
```

### Description

`ALTER RULE` changes properties of an existing rule. Currently, the only available action is to change the rule's name.

To use `ALTER RULE`, you must own the table or view that the rule applies to.

### Parameters

*`name`* : The name of an existing rule to alter.

*`table_name`* : The name (optionally schema-qualified) of the table or view that the rule applies to.

*`new_name`* : The new name for the rule.

### Examples

To rename an existing rule:

```

ALTER RULE notify_all ON emp RENAME TO notify_me;
```

### Compatibility

`ALTER RULE` is a PostgreSQL language extension, as is the entire query rewrite system.

### See Also

[CREATE RULE](/reference/sql-commands/sql-createrule.md), [DROP RULE](/reference/sql-commands/sql-droprule.md)

***

原文：[PostgreSQL 18.6 Documentation](https://www.postgresql.org/docs/18/sql-alterrule.html)（英文原文，待翻譯）


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