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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>DEALLOCATE</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 Vsnapshot" /><link rel="prev" href="sql-createview.html" title="CREATE VIEW" /><link rel="next" href="sql-declare.html" title="DECLARE" /></head><body><div xmlns="http://www.w3.org/TR/xhtml1/transitional" class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">DEALLOCATE</th></tr><tr><td width="10%" align="left"><a accesskey="p" href="sql-createview.html" title="CREATE VIEW">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 11.5 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="sql-declare.html" title="DECLARE">Next</a></td></tr></table><hr></hr></div><div class="refentry" id="SQL-DEALLOCATE"><div class="titlepage"></div><a id="id-1.9.3.98.1" class="indexterm"></a><a id="id-1.9.3.98.2" class="indexterm"></a><div class="refnamediv"><h2><span class="refentrytitle">DEALLOCATE</span></h2><p>DEALLOCATE — deallocate a prepared statement</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="synopsis">
DEALLOCATE [ PREPARE ] { <em class="replaceable"><code>name</code></em> | ALL }
</pre></div><div class="refsect1" id="id-1.9.3.98.6"><h2>Description</h2><p>
<code class="command">DEALLOCATE</code> is used to deallocate a previously
prepared SQL statement. If you do not explicitly deallocate a
prepared statement, it is deallocated when the session ends.
</p><p>
For more information on prepared statements, see <a class="xref" href="sql-prepare.html" title="PREPARE"><span class="refentrytitle">PREPARE</span></a>.
</p></div><div class="refsect1" id="id-1.9.3.98.7"><h2>Parameters</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><code class="literal">PREPARE</code></span></dt><dd><p>
This key word is ignored.
</p></dd><dt><span class="term"><em class="replaceable"><code>name</code></em></span></dt><dd><p>
The name of the prepared statement to deallocate.
</p></dd><dt><span class="term"><code class="literal">ALL</code></span></dt><dd><p>
Deallocate all prepared statements.
</p></dd></dl></div></div><div class="refsect1" id="id-1.9.3.98.8"><h2>Compatibility</h2><p>
The SQL standard includes a <code class="command">DEALLOCATE</code>
statement, but it is only for use in embedded SQL.
</p></div><div class="refsect1" id="id-1.9.3.98.9"><h2>See Also</h2><span class="simplelist"><a class="xref" href="sql-execute.html" title="EXECUTE"><span class="refentrytitle">EXECUTE</span></a>, <a class="xref" href="sql-prepare.html" title="PREPARE"><span class="refentrytitle">PREPARE</span></a></span></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="sql-createview.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="sql-commands.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="sql-declare.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">CREATE VIEW </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> DECLARE</td></tr></table></div></body></html>
