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+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>CREATE SERVER</title><link rel="stylesheet" type="text/css" href="stylesheet.css" /><link rev="made" href="pgsql-docs@lists.postgresql.org" /><meta name="generator" content="DocBook XSL Stylesheets V1.79.1" /><link rel="prev" href="sql-createsequence.html" title="CREATE SEQUENCE" /><link rel="next" href="sql-createstatistics.html" title="CREATE STATISTICS" /></head><body id="docContent" class="container-fluid col-10"><div xmlns="http://www.w3.org/TR/xhtml1/transitional" class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">CREATE SERVER</th></tr><tr><td width="10%" align="left"><a accesskey="p" href="sql-createsequence.html" title="CREATE SEQUENCE">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="sql-commands.html" title="SQL Commands">Up</a></td><th width="60%" align="center">SQL Commands</th><td width="10%" align="right"><a accesskey="h" href="index.html" title="PostgreSQL 13.4 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="sql-createstatistics.html" title="CREATE STATISTICS">Next</a></td></tr></table><hr></hr></div><div class="refentry" id="SQL-CREATESERVER"><div class="titlepage"></div><a id="id-1.9.3.82.1" class="indexterm"></a><div class="refnamediv"><h2><span class="refentrytitle">CREATE SERVER</span></h2><p>CREATE SERVER — define a new foreign server</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="synopsis">
+CREATE SERVER [ IF NOT EXISTS ] <em class="replaceable"><code>server_name</code></em> [ TYPE '<em class="replaceable"><code>server_type</code></em>' ] [ VERSION '<em class="replaceable"><code>server_version</code></em>' ]
+ FOREIGN DATA WRAPPER <em class="replaceable"><code>fdw_name</code></em>
+ [ OPTIONS ( <em class="replaceable"><code>option</code></em> '<em class="replaceable"><code>value</code></em>' [, ... ] ) ]
+</pre></div><div class="refsect1" id="id-1.9.3.82.5"><h2>Description</h2><p>
+ <code class="command">CREATE SERVER</code> defines a new foreign server. The
+ user who defines the server becomes its owner.
+ </p><p>
+ A foreign server typically encapsulates connection information that
+ a foreign-data wrapper uses to access an external data resource.
+ Additional user-specific connection information may be specified by
+ means of user mappings.
+ </p><p>
+ The server name must be unique within the database.
+ </p><p>
+ Creating a server requires <code class="literal">USAGE</code> privilege on the
+ foreign-data wrapper being used.
+ </p></div><div class="refsect1" id="id-1.9.3.82.6"><h2>Parameters</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><code class="literal">IF NOT EXISTS</code></span></dt><dd><p>
+ Do not throw an error if a server with the same name already exists.
+ A notice is issued in this case. Note that there is no guarantee that
+ the existing server is anything like the one that would have been
+ created.
+ </p></dd><dt><span class="term"><em class="replaceable"><code>server_name</code></em></span></dt><dd><p>
+ The name of the foreign server to be created.
+ </p></dd><dt><span class="term"><em class="replaceable"><code>server_type</code></em></span></dt><dd><p>
+ Optional server type, potentially useful to foreign-data wrappers.
+ </p></dd><dt><span class="term"><em class="replaceable"><code>server_version</code></em></span></dt><dd><p>
+ Optional server version, potentially useful to foreign-data wrappers.
+ </p></dd><dt><span class="term"><em class="replaceable"><code>fdw_name</code></em></span></dt><dd><p>
+ The name of the foreign-data wrapper that manages the server.
+ </p></dd><dt><span class="term"><code class="literal">OPTIONS ( <em class="replaceable"><code>option</code></em> '<em class="replaceable"><code>value</code></em>' [, ... ] )</code></span></dt><dd><p>
+ This clause specifies the options for the server. The options
+ typically define the connection details of the server, but the
+ actual names and values are dependent on the server's
+ foreign-data wrapper.
+ </p></dd></dl></div></div><div class="refsect1" id="id-1.9.3.82.7"><h2>Notes</h2><p>
+ When using the <a class="xref" href="dblink.html" title="F.10. dblink">dblink</a> module,
+ a foreign server's name can be used
+ as an argument of the <a class="xref" href="contrib-dblink-connect.html" title="dblink_connect"><span class="refentrytitle">dblink_connect</span></a>
+ function to indicate the connection parameters. It is necessary to have
+ the <code class="literal">USAGE</code> privilege on the foreign server to be
+ able to use it in this way.
+ </p></div><div class="refsect1" id="id-1.9.3.82.8"><h2>Examples</h2><p>
+ Create a server <code class="literal">myserver</code> that uses the
+ foreign-data wrapper <code class="literal">postgres_fdw</code>:
+</p><pre class="programlisting">
+CREATE SERVER myserver FOREIGN DATA WRAPPER postgres_fdw OPTIONS (host 'foo', dbname 'foodb', port '5432');
+</pre><p>
+ See <a class="xref" href="postgres-fdw.html" title="F.33. postgres_fdw">postgres_fdw</a> for more details.
+ </p></div><div class="refsect1" id="id-1.9.3.82.9"><h2>Compatibility</h2><p>
+ <code class="command">CREATE SERVER</code> conforms to ISO/IEC 9075-9 (SQL/MED).
+ </p></div><div class="refsect1" id="id-1.9.3.82.10"><h2>See Also</h2><span class="simplelist"><a class="xref" href="sql-alterserver.html" title="ALTER SERVER"><span class="refentrytitle">ALTER SERVER</span></a>, <a class="xref" href="sql-dropserver.html" title="DROP SERVER"><span class="refentrytitle">DROP SERVER</span></a>, <a class="xref" href="sql-createforeigndatawrapper.html" title="CREATE FOREIGN DATA WRAPPER"><span class="refentrytitle">CREATE FOREIGN DATA WRAPPER</span></a>, <a class="xref" href="sql-createforeigntable.html" title="CREATE FOREIGN TABLE"><span class="refentrytitle">CREATE FOREIGN TABLE</span></a>, <a class="xref" href="sql-createusermapping.html" title="CREATE USER MAPPING"><span class="refentrytitle">CREATE USER MAPPING</span></a></span></div></div><div xmlns="http://www.w3.org/TR/xhtml1/transitional" class="navfooter"><hr></hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="sql-createsequence.html" title="CREATE SEQUENCE">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="sql-commands.html" title="SQL Commands">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="sql-createstatistics.html" title="CREATE STATISTICS">Next</a></td></tr><tr><td width="40%" align="left" valign="top">CREATE SEQUENCE </td><td width="20%" align="center"><a accesskey="h" href="index.html" title="PostgreSQL 13.4 Documentation">Home</a></td><td width="40%" align="right" valign="top"> CREATE STATISTICS</td></tr></table></div></body></html> \ No newline at end of file