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Manual Reference Pages  -  DROP_EXTENSION (7)

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NAME

DROP_EXTENSION - remove an extension

CONTENTS

SYNOPSIS

DROP EXTENSION [ IF EXISTS ] name [, ...] [ CASCADE | RESTRICT ]

DESCRIPTION

DROP EXTENSION removes extensions from the database. Dropping an extension causes its component objects to be dropped as well.

You must own the extension to use DROP EXTENSION.

PARAMETERS

IF EXISTS

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

name

The name of an installed extension.

CASCADE

Automatically drop objects that depend on the extension.

RESTRICT

Refuse to drop the extension if any objects depend on it (other than its own member objects and other extensions listed in the same DROP command). This is the default.

EXAMPLES

To remove the extension hstore from the current database:

DROP EXTENSION hstore;

This command will fail if any of hstores objects are in use in the database, for example if any tables have columns of the hstore type. Add the CASCADE option to forcibly remove those dependent objects as well.

COMPATIBILITY

DROP EXTENSION is a PostgreSQL extension.

SEE ALSO

CREATE EXTENSION (CREATE_EXTENSION(7)), ALTER EXTENSION (ALTER_EXTENSION(7))
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PostgreSQL 9.5.2 DROP EXTENSION (7) 2016

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