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<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>

  <para>
   You must own the tablespace to use <command>ALTER TABLESPACE</>.
   To alter the owner, you must also be a direct or indirect member of the new
   owning role.
   (Note that superusers have these privileges automatically.)
  </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.
     </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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