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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>ROLLBACK</title><link rel="stylesheet" type="text/css" href="stylesheet.css" /><link rev="made" href="[email protected]" /><meta name="generator" content="DocBook XSL Stylesheets Vsnapshot" /><link rel="prev" href="sql-revoke.html" title="REVOKE" /><link rel="next" href="sql-rollback-prepared.html" title="ROLLBACK PREPARED" /></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">ROLLBACK</th></tr><tr><td width="10%" align="left"><a accesskey="p" href="sql-revoke.html" title="REVOKE">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 10.23 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="sql-rollback-prepared.html" title="ROLLBACK PREPARED">Next</a></td></tr></table><hr></hr></div><div class="refentry" id="SQL-ROLLBACK"><div class="titlepage"></div><a id="id-1.9.3.160.1" class="indexterm"></a><div class="refnamediv"><h2><span class="refentrytitle">ROLLBACK</span></h2><p>ROLLBACK — abort the current transaction</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="synopsis">ROLLBACK [ WORK | TRANSACTION ]</pre></div><div class="refsect1" id="id-1.9.3.160.5"><h2>Description</h2><p> <code class="command">ROLLBACK</code> rolls back the current transaction and causes
all the updates made by the transaction to be discarded.
</p></div><div class="refsect1" id="id-1.9.3.160.6"><h2>Parameters</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><code class="literal">WORK</code><br /></span><span class="term"><code class="literal">TRANSACTION</code></span></dt><dd><p> Optional key words. They have no effect.
</p></dd></dl></div></div><div class="refsect1" id="id-1.9.3.160.7"><h2>Notes</h2><p> Use <a class="xref" href="sql-commit.html" title="COMMIT"><span class="refentrytitle">COMMIT</span></a> to
successfully terminate a transaction.
</p><p> Issuing <code class="command">ROLLBACK</code> outside of a transaction
block emits a warning and otherwise has no effect.
</p></div><div class="refsect1" id="id-1.9.3.160.8"><h2>Examples</h2><p> To abort all changes:
</p><pre class="programlisting">ROLLBACK;</pre></div><div class="refsect1" id="id-1.9.3.160.9"><h2>Compatibility</h2><p> The SQL standard only specifies the two forms
<code class="literal">ROLLBACK</code> and <code class="literal">ROLLBACK
WORK</code>. Otherwise, this command is fully conforming.
</p></div><div class="refsect1" id="id-1.9.3.160.10"><h2>See Also</h2><span class="simplelist"><a class="xref" href="sql-begin.html" title="BEGIN"><span class="refentrytitle">BEGIN</span></a>, <a class="xref" href="sql-commit.html" title="COMMIT"><span class="refentrytitle">COMMIT</span></a>, <a class="xref" href="sql-rollback-to.html" title="ROLLBACK TO SAVEPOINT"><span class="refentrytitle">ROLLBACK TO SAVEPOINT</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-revoke.html" title="REVOKE">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-rollback-prepared.html" title="ROLLBACK PREPARED">Next</a></td></tr><tr><td width="40%" align="left" valign="top">REVOKE </td><td width="20%" align="center"><a accesskey="h" href="index.html" title="PostgreSQL 10.23 Documentation">Home</a></td><td width="40%" align="right" valign="top"> ROLLBACK PREPARED</td></tr></table></div></body></html>