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DROP_DOMAIN.7
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'\" t .\" Title: DROP DOMAIN .\" Author: The PostgreSQL Global Development Group .\" Generator: DocBook XSL Stylesheets v1.78.1 <http://docbook.sf.net/> .\" Date: 2017-11-06 .\" Manual: PostgreSQL 9.2.24 Documentation .\" Source: PostgreSQL 9.2.24 .\" Language: English .\" .TH "DROP DOMAIN" "7" "2017-11-06" "PostgreSQL 9.2.24" "PostgreSQL 9.2.24 Documentation" .\" ----------------------------------------------------------------- .\" * Define some portability stuff .\" ----------------------------------------------------------------- .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .\" http://bugs.debian.org/507673 .\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .ie \n(.g .ds Aq \(aq .el .ds Aq ' .\" ----------------------------------------------------------------- .\" * set default formatting .\" ----------------------------------------------------------------- .\" disable hyphenation .nh .\" disable justification (adjust text to left margin only) .ad l .\" ----------------------------------------------------------------- .\" * MAIN CONTENT STARTS HERE * .\" ----------------------------------------------------------------- .SH "NAME" DROP_DOMAIN \- remove a domain .\" DROP DOMAIN .SH "SYNOPSIS" .sp .nf DROP DOMAIN [ IF EXISTS ] \fIname\fR [, \&.\&.\&.] [ CASCADE | RESTRICT ] .fi .SH "DESCRIPTION" .PP \fBDROP DOMAIN\fR removes a domain\&. Only the owner of a domain can remove it\&. .SH "PARAMETERS" .PP IF EXISTS .RS 4 Do not throw an error if the domain does not exist\&. A notice is issued in this case\&. .RE .PP \fIname\fR .RS 4 The name (optionally schema\-qualified) of an existing domain\&. .RE .PP CASCADE .RS 4 Automatically drop objects that depend on the domain (such as table columns)\&. .RE .PP RESTRICT .RS 4 Refuse to drop the domain if any objects depend on it\&. This is the default\&. .RE .SH "EXAMPLES" .PP To remove the domain box: .sp .if n \{\ .RS 4 .\} .nf DROP DOMAIN box; .fi .if n \{\ .RE .\} .SH "COMPATIBILITY" .PP This command conforms to the SQL standard, except for the IF EXISTS option, which is a PostgreSQL extension\&. .SH "SEE ALSO" CREATE DOMAIN (\fBCREATE_DOMAIN\fR(7)), ALTER DOMAIN (\fBALTER_DOMAIN\fR(7))