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The PostgreSQL 9.0 Reference Manual - Volume 1B - SQL Command Reference
by The PostgreSQL Global Development Group
Paperback (6"x9"), 488 pages
ISBN 9781906966058
RRP £14.95 ($19.95)

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1.80 DROP DOMAIN

Name

DROP DOMAIN -- remove a domain

Synopsis

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

Description

DROP DOMAIN removes a domain. Only the owner of a domain can remove it.

Parameters

IF EXISTS
Do not throw an error if the domain does not exist. A notice is issued in this case.
name
The name (optionally schema-qualified) of an existing domain.
CASCADE
Automatically drop objects that depend on the domain (such as table columns).
RESTRICT
Refuse to drop the domain if any objects depend on it. This is the default.

Examples

To remove the domain box:

DROP DOMAIN box;

Compatibility

This command conforms to the SQL standard, except for the IF EXISTS option, which is a PostgreSQL extension.

See Also

CREATE DOMAIN, ALTER DOMAIN

ISBN 9781906966058The PostgreSQL 9.0 Reference Manual - Volume 1B - SQL Command ReferenceSee the print edition