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<!--
$PostgreSQL: pgsql/doc/src/sgml/ref/alter_tablespace.sgml,v 1.1 2004/06/25 21:55:50 tgl Exp $
PostgreSQL documentation
-->
<refentry id="SQL-ALTERTABLESPACE">
<refmeta>
<refentrytitle id="SQL-ALTERTABLESPACE-TITLE">ALTER TABLESPACE</refentrytitle>
<refmiscinfo>SQL - Language Statements</refmiscinfo>
</refmeta>
<refnamediv>
<refname>ALTER TABLESPACE</refname>
<refpurpose>change the definition of a tablespace</refpurpose>
</refnamediv>
<indexterm zone="sql-altertablespace">
<primary>ALTER TABLESPACE</primary>
</indexterm>
<refsynopsisdiv>
<synopsis>
ALTER TABLESPACE <replaceable>name</replaceable> RENAME TO <replaceable>newname</replaceable>
ALTER TABLESPACE <replaceable>name</replaceable> OWNER TO <replaceable>newowner</replaceable>
</synopsis>
</refsynopsisdiv>
<refsect1>
<title>Description</title>
<para>
<command>ALTER TABLESPACE</command> changes the definition of
a tablespace.
</para>
</refsect1>
<refsect1>
<title>Parameters</title>
<variablelist>
<varlistentry>
<term><replaceable class="parameter">name</replaceable></term>
<listitem>
<para>
The name of an existing tablespace.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><replaceable class="parameter">newname</replaceable></term>
<listitem>
<para>
The new name of the tablespace. The new name cannot
begin with <literal>pg_</literal>, as such names
are reserved for system tablespaces.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><replaceable class="parameter">newowner</replaceable></term>
<listitem>
<para>
The new owner of the tablespace.
You must be a superuser to change the owner of a tablespace.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1>
<title>Examples</title>
<para>
Rename tablespace <literal>index_space</literal> to <literal>fast_raid</literal>:
<programlisting>
ALTER TABLESPACE index_space RENAME TO fast_raid;
</programlisting>
</para>
<para>
Change the owner of tablespace <literal>index_space</literal>:
<programlisting>
ALTER TABLESPACE index_space OWNER TO mary;
</programlisting>
</para>
</refsect1>
<refsect1>
<title>Compatibility</title>
<para>
There is no <command>ALTER TABLESPACE</command> statement in
the SQL standard.
</para>
</refsect1>
<refsect1>
<title>See Also</title>
<simplelist type="inline">
<member><xref linkend="sql-createtablespace" endterm="sql-createtablespace-title"></member>
<member><xref linkend="sql-droptablespace" endterm="sql-droptablespace-title"></member>
</simplelist>
</refsect1>
</refentry>
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