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<!--
$Header: /cvsroot/pgsql/doc/src/sgml/ref/drop_domain.sgml,v 1.10 2003/05/04 02:23:16 petere Exp $
PostgreSQL documentation
-->
<refentry id="SQL-DROPDOMAIN">
<refmeta>
<refentrytitle id="SQL-DROPDOMAIN-TITLE">DROP DOMAIN</refentrytitle>
<refmiscinfo>SQL - Language Statements</refmiscinfo>
</refmeta>
<refnamediv>
<refname>DROP DOMAIN</refname>
<refpurpose>remove a domain</refpurpose>
</refnamediv>
<refsynopsisdiv>
<synopsis>
DROP DOMAIN <replaceable class="PARAMETER">domainname</replaceable> [, ...] [ CASCADE | RESTRICT ]
</synopsis>
</refsynopsisdiv>
<refsect1>
<title>Description</title>
<para>
<command>DROP DOMAIN</command> will remove a domain. Only the
owner of a domain can remove it.
</para>
</refsect1>
<refsect1>
<title>Parameters</title>
<variablelist>
<varlistentry>
<term><replaceable class="PARAMETER">domainname</replaceable></term>
<listitem>
<para>
The name (optionally schema-qualified) of an existing domain.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>CASCADE</></term>
<listitem>
<para>
Automatically drop objects that depend on the domain (such as
table columns).
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>RESTRICT</></term>
<listitem>
<para>
Refuse to drop the domain if any objects depend on it. This is
the default.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1>
<title>Diagnostics</title>
<variablelist>
<varlistentry>
<term><computeroutput>DROP DOMAIN</computeroutput></term>
<listitem>
<para>
Message returned if the command was successful.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><computeroutput>ERROR: RemoveDomain: type '<replaceable class="parameter">domainname</replaceable>' does not exist</computeroutput></term>
<listitem>
<para>
This message occurs if the specified domain does not exist.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1 id="SQL-DROPDOMAIN-examples">
<title>Examples</title>
<para>
To remove the domain <type>box</type>:
<programlisting>
DROP DOMAIN box;
</programlisting>
</para>
</refsect1>
<refsect1 id="SQL-DROPDOMAIN-compatibility">
<title>Compatibility</title>
<para>
This command conforms to the SQL standard.
</para>
</refsect1>
<refsect1 id="SQL-DROPDOMAIN-see-also">
<title>See Also</title>
<simplelist type="inline">
<member><xref linkend="sql-createdomain" endterm="sql-createdomain-title"></member>
</simplelist>
</refsect1>
</refentry>
<!-- Keep this comment at the end of the file
Local variables:
mode: sgml
sgml-omittag:nil
sgml-shorttag:t
sgml-minimize-attributes:nil
sgml-always-quote-attributes:t
sgml-indent-step:1
sgml-indent-data:t
sgml-parent-document:nil
sgml-default-dtd-file:"../reference.ced"
sgml-exposed-tags:nil
sgml-local-catalogs:"/usr/lib/sgml/catalog"
sgml-local-ecat-files:nil
End:
-->
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