DROP MATERIALIZED VIEW
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## DROP MATERIALIZED VIEW

DROP MATERIALIZED VIEW — remove a materialized view

## Synopsis

    DROP MATERIALIZED VIEW [ IF EXISTS ] name [, ...] [ CASCADE | RESTRICT ]

## Description

`DROP MATERIALIZED VIEW` drops an existing materialized view. To execute this command you must be the owner of the materialized view.

## Parameters

`IF EXISTS`

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

`name`

  The name (optionally schema-qualified) of the materialized view to remove.

`CASCADE`

  Automatically drop objects that depend on the materialized view (such as other materialized views, or regular views), and in turn all objects that depend on those objects (see Section 5.15).

`RESTRICT`

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

## Examples

This command will remove the materialized view called `order_summary`:

    DROP MATERIALIZED VIEW order_summary;

## Compatibility

`DROP MATERIALIZED VIEW` is a PostgreSQL extension.

## See Also

CREATE MATERIALIZED VIEW, ALTER MATERIALIZED VIEW, REFRESH MATERIALIZED VIEW

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