## 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, DROP RULE