'\" t
.\"     Title: DROP DOMAIN
.\"    Author: The PostgreSQL Global Development Group
.\" Generator: DocBook XSL Stylesheets vsnapshot <http://docbook.sf.net/>
.\"      Date: 2021
.\"    Manual: PostgreSQL 13.4 Documentation
.\"    Source: PostgreSQL 13.4
.\"  Language: English
.\"
.TH "DROP DOMAIN" "7" "2021" "PostgreSQL 13.4" "PostgreSQL 13.4 Documentation"
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.SH "NAME"
DROP_DOMAIN \- remove a 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), and in turn all objects that depend on those objects (see
Section\ \&5.14)\&.
.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))