linkend="uuid-ossp"/></member>
  </simplelist>
 </para>

 <para>
  Many extensions allow you to install their objects in a schema of your
  choice.  To do that, add <literal>SCHEMA
  <replaceable>schema_name</replaceable></literal> to the <command>CREATE EXTENSION</command>
  command.  By default, the objects will be placed in your current creation
  target schema, which in turn defaults to <literal>public</literal>.
 </para>

 <para>
  Note, however, that some of these components are not <quote>extensions</quote>
  in this sense, but are loaded into the server in some other way, for instance
  by way of
  <xref linkend="guc-shared-preload-libraries"/>.  See the documentation of each
  component for details.
 </para>

 &amcheck;
 &auth-delay;
 &auto-explain;
 &basebackup-to-shell;
 &basic-archive;
 &bloom;
 &btree-gin;
 &btree-gist;
 &citext;
 &cube;
 &dblink;
 &dict-int;
 &dict-xsyn;
 &earthdistance;
 &file-fdw;
 &fuzzystrmatch;
 &hstore;
 &intagg;
 &intarray;
 &isn;
 &lo;
 &ltree;
 &pageinspect;
 &passwordcheck;
 &pgbuffercache;
 &pgcrypto;
 &pgfreespacemap;
 &pglogicalinspect;
 &pgoverexplain;
 &pgprewarm;
 &pgrowlocks;
 &pgstatstatements;
 &pgstattuple;
 &pgsurgery;
 &pgtrgm;
 &pgvisibility;
 &pgwalinspect;
 &postgres-fdw;
 &seg;
 &sepgsql;
 &contrib-spi;
 &sslinfo;
 &tablefunc;
 &tcn;
 &test-decoding;
 &tsm-system-rows;
 &tsm-system-time;
 &unaccent;
 &uuid-ossp;
 &xml2;

</appendix>

<!--
These are two separate appendixes because it is difficult to mix regular
sections (for extensions) and refentries (for programs) in one chapter or
appendix.  And we do want the programs as refentries so that we can produce man
pages.
-->

<appendix id="contrib-prog">
 <title>Additional Supplied Programs</title>

 <para>
  This appendix and the previous one contain information regarding the modules that
  can be found in the <literal>contrib</literal> directory of the
  <productname>PostgreSQL</productname> distribution.  See <xref linkend="contrib"/> for
  more information about the <literal>contrib</literal> section in general and
  server extensions and plug-ins found in <literal>contrib</literal>
  specifically.
 </para>

 <para>
  This appendix covers utility programs found in <literal>contrib</literal>.
  Once installed, either from source or a packaging system, they are found in
  the <filename>bin</filename> directory of the
  <productname>PostgreSQL</productname> installation and can be used like any
  other program.
 </para>

 <sect1 id="contrib-prog-client">
  <title>Client Applications</title>

  <para>
   This section covers <productname>PostgreSQL</productname> client
   applications in <literal>contrib</literal>.  They can be run from anywhere,
   independent of where the database server resides.  See
   also <xref linkend="reference-client"/> for information about client
   applications that are part of the core <productname>PostgreSQL</productname>
   distribution.
  </para>

 &oid2name;
 &vacuumlo;
 </sect1>

 <sect1 id="contrib-prog-server">
  <title>Server Applications</title>

  <para>
   Some applications run on the <productname>PostgreSQL</productname> server
   itself.  Currently, no such applications are included in the
   <literal>contrib</literal> directory.  See also <xref
   linkend="reference-server"/> for information about server applications that
   are part of the core <productname>PostgreSQL</productname> distribution.
  </para>

 </sect1>
</appendix>