PostgreSQL 9.6beta2 Documentation
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# DROP RULE

## Name

DROP RULE -- remove a rewrite rule

## Synopsis

    DROP RULE [ IF EXISTS ] name ON table_name [ CASCADE | RESTRICT ]

## Description

`DROP RULE` drops a rewrite rule.

## Parameters

`IF EXISTS`

  Do not throw an error if the rule does not exist. A notice is issued in this case.

`name`

  The name of the rule to drop.

`table_name`

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

`CASCADE`

  Automatically drop objects that depend on the rule.

`RESTRICT`

  Refuse to drop the rule if any objects depend on it. This is the default.

## Examples

To drop the rewrite rule `newrule`:

    DROP RULE newrule ON mytable;

## Compatibility

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

## See Also

CREATE RULE, ALTER RULE

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