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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>ALTER USER</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-altertype.html" title="ALTER TYPE" /><link rel="next" href="sql-alterusermapping.html" title="ALTER USER MAPPING" /></head><body id="docContent" class="container-fluid col-10"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">ALTER USER</th></tr><tr><td width="10%" align="left"><a accesskey="p" href="sql-altertype.html" title="ALTER TYPE">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-alterusermapping.html" title="ALTER USER MAPPING">Next</a></td></tr></table><hr /></div><div class="refentry" id="SQL-ALTERUSER"><div class="titlepage"></div><a id="id-1.9.3.43.1" class="indexterm"></a><div class="refnamediv"><h2><span class="refentrytitle">ALTER USER</span></h2><p>ALTER USER — change a database role</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="synopsis">
ALTER USER <em class="replaceable"><code>role_specification</code></em> [ WITH ] <em class="replaceable"><code>option</code></em> [ ... ]
<span class="phrase">where <em class="replaceable"><code>option</code></em> can be:</span>
SUPERUSER | NOSUPERUSER
| CREATEDB | NOCREATEDB
| CREATEROLE | NOCREATEROLE
| INHERIT | NOINHERIT
| LOGIN | NOLOGIN
| REPLICATION | NOREPLICATION
| BYPASSRLS | NOBYPASSRLS
| CONNECTION LIMIT <em class="replaceable"><code>connlimit</code></em>
| [ ENCRYPTED ] PASSWORD '<em class="replaceable"><code>password</code></em>' | PASSWORD NULL
| VALID UNTIL '<em class="replaceable"><code>timestamp</code></em>'
ALTER USER <em class="replaceable"><code>name</code></em> RENAME TO <em class="replaceable"><code>new_name</code></em>
ALTER USER { <em class="replaceable"><code>role_specification</code></em> | ALL } [ IN DATABASE <em class="replaceable"><code>database_name</code></em> ] SET <em class="replaceable"><code>configuration_parameter</code></em> { TO | = } { <em class="replaceable"><code>value</code></em> | DEFAULT }
ALTER USER { <em class="replaceable"><code>role_specification</code></em> | ALL } [ IN DATABASE <em class="replaceable"><code>database_name</code></em> ] SET <em class="replaceable"><code>configuration_parameter</code></em> FROM CURRENT
ALTER USER { <em class="replaceable"><code>role_specification</code></em> | ALL } [ IN DATABASE <em class="replaceable"><code>database_name</code></em> ] RESET <em class="replaceable"><code>configuration_parameter</code></em>
ALTER USER { <em class="replaceable"><code>role_specification</code></em> | ALL } [ IN DATABASE <em class="replaceable"><code>database_name</code></em> ] RESET ALL
<span class="phrase">where <em class="replaceable"><code>role_specification</code></em> can be:</span>
<em class="replaceable"><code>role_name</code></em>
| CURRENT_ROLE
| CURRENT_USER
| SESSION_USER
</pre></div><div class="refsect1" id="id-1.9.3.43.5"><h2>Description</h2><p>
<code class="command">ALTER USER</code> is now an alias for
<a class="link" href="sql-alterrole.html" title="ALTER ROLE"><code class="command">ALTER ROLE</code></a>.
</p></div><div class="refsect1" id="id-1.9.3.43.6"><h2>Compatibility</h2><p>
The <code class="command">ALTER USER</code> statement is a
<span class="productname">PostgreSQL</span> extension. The SQL standard
leaves the definition of users to the implementation.
</p></div><div class="refsect1" id="id-1.9.3.43.7"><h2>See Also</h2><span class="simplelist"><a class="xref" href="sql-alterrole.html" title="ALTER ROLE"><span class="refentrytitle">ALTER 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-altertype.html" title="ALTER TYPE">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-alterusermapping.html" title="ALTER USER MAPPING">Next</a></td></tr><tr><td width="40%" align="left" valign="top">ALTER TYPE </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"> ALTER USER MAPPING</td></tr></table></div></body></html>
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