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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>DROP ROLE</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-droppublication.html" title="DROP PUBLICATION" /><link rel="next" href="sql-droproutine.html" title="DROP ROUTINE" /></head><body id="docContent" class="container-fluid col-10"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">DROP ROLE</th></tr><tr><td width="10%" align="left"><a accesskey="p" href="sql-droppublication.html" title="DROP PUBLICATION">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 16.2 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="sql-droproutine.html" title="DROP ROUTINE">Next</a></td></tr></table><hr /></div><div class="refentry" id="SQL-DROPROLE"><div class="titlepage"></div><a id="id-1.9.3.126.1" class="indexterm"></a><div class="refnamediv"><h2><span class="refentrytitle">DROP ROLE</span></h2><p>DROP ROLE — remove a database role</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="synopsis">
DROP ROLE [ IF EXISTS ] <em class="replaceable"><code>name</code></em> [, ...]
</pre></div><div class="refsect1" id="id-1.9.3.126.5"><h2>Description</h2><p>
<code class="command">DROP ROLE</code> removes the specified role(s).
To drop a superuser role, you must be a superuser yourself;
to drop non-superuser roles, you must have <code class="literal">CREATEROLE</code>
privilege and have been granted <code class="literal">ADMIN OPTION</code> on the role.
</p><p>
A role cannot be removed if it is still referenced in any database
of the cluster; an error will be raised if so. Before dropping the role,
you must drop all the objects it owns (or reassign their ownership)
and revoke any privileges the role has been granted on other objects.
The <a class="link" href="sql-reassign-owned.html" title="REASSIGN OWNED"><code class="command">REASSIGN
OWNED</code></a> and <a class="link" href="sql-drop-owned.html" title="DROP OWNED"><code class="command">DROP
OWNED</code></a>
commands can be useful for this purpose; see <a class="xref" href="role-removal.html" title="22.4. Dropping Roles">Section 22.4</a>
for more discussion.
</p><p>
However, it is not necessary to remove role memberships involving
the role; <code class="command">DROP ROLE</code> automatically revokes any memberships
of the target role in other roles, and of other roles in the target role.
The other roles are not dropped nor otherwise affected.
</p></div><div class="refsect1" id="id-1.9.3.126.6"><h2>Parameters</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><code class="literal">IF EXISTS</code></span></dt><dd><p>
Do not throw an error if the role does not exist. A notice is issued
in this case.
</p></dd><dt><span class="term"><em class="replaceable"><code>name</code></em></span></dt><dd><p>
The name of the role to remove.
</p></dd></dl></div></div><div class="refsect1" id="id-1.9.3.126.7"><h2>Notes</h2><p>
<span class="productname">PostgreSQL</span> includes a program <a class="xref" href="app-dropuser.html" title="dropuser"><span class="refentrytitle"><span class="application">dropuser</span></span></a> that has the
same functionality as this command (in fact, it calls this command)
but can be run from the command shell.
</p></div><div class="refsect1" id="id-1.9.3.126.8"><h2>Examples</h2><p>
To drop a role:
</p><pre class="programlisting">
DROP ROLE jonathan;
</pre></div><div class="refsect1" id="id-1.9.3.126.9"><h2>Compatibility</h2><p>
The SQL standard defines <code class="command">DROP ROLE</code>, but it allows
only one role to be dropped at a time, and it specifies different
privilege requirements than <span class="productname">PostgreSQL</span> uses.
</p></div><div class="refsect1" id="id-1.9.3.126.10"><h2>See Also</h2><span class="simplelist"><a class="xref" href="sql-createrole.html" title="CREATE ROLE"><span class="refentrytitle">CREATE ROLE</span></a>, <a class="xref" href="sql-alterrole.html" title="ALTER ROLE"><span class="refentrytitle">ALTER ROLE</span></a>, <a class="xref" href="sql-set-role.html" title="SET ROLE"><span class="refentrytitle">SET ROLE</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-droppublication.html" title="DROP PUBLICATION">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-droproutine.html" title="DROP ROUTINE">Next</a></td></tr><tr><td width="40%" align="left" valign="top">DROP PUBLICATION </td><td width="20%" align="center"><a accesskey="h" href="index.html" title="PostgreSQL 16.2 Documentation">Home</a></td><td width="40%" align="right" valign="top"> DROP ROUTINE</td></tr></table></div></body></html>
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