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<?xml version="1.0" encoding="UTF-8" standalone="no"?> <!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>36.21. domain_udt_usage</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="infoschema-domain-constraints.html" title="36.20. domain_constraints" /><link rel="next" href="infoschema-domains.html" title="36.22. domains" /></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">36.21. <code xmlns="http://www.w3.org/1999/xhtml" class="literal">domain_udt_usage</code></th></tr><tr><td width="10%" align="left"><a accesskey="p" href="infoschema-domain-constraints.html" title="36.20. domain_constraints">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="information-schema.html" title="Chapter 36. The Information Schema">Up</a></td><th width="60%" align="center">Chapter 36. The Information Schema</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="infoschema-domains.html" title="36.22. domains">Next</a></td></tr></table><hr></hr></div><div class="sect1" id="INFOSCHEMA-DOMAIN-UDT-USAGE"><div class="titlepage"><div><div><h2 class="title" style="clear: both">36.21. <code class="literal">domain_udt_usage</code></h2></div></div></div><p> The view <code class="literal">domain_udt_usage</code> identifies all domains that are based on data types owned by a currently enabled role. Note that in <span class="productname">PostgreSQL</span>, built-in data types behave like user-defined types, so they are included here as well. </p><div class="table" id="id-1.7.6.25.3"><p class="title"><strong>Table 36.19. <code class="literal">domain_udt_usage</code> Columns</strong></p><div class="table-contents"><table class="table" summary="domain_udt_usage Columns" border="1"><colgroup><col /><col /><col /></colgroup><thead><tr><th>Name</th><th>Data Type</th><th>Description</th></tr></thead><tbody><tr><td><code class="literal">udt_catalog</code></td><td><code class="type">sql_identifier</code></td><td>Name of the database that the domain data type is defined in (always the current database)</td></tr><tr><td><code class="literal">udt_schema</code></td><td><code class="type">sql_identifier</code></td><td>Name of the schema that the domain data type is defined in</td></tr><tr><td><code class="literal">udt_name</code></td><td><code class="type">sql_identifier</code></td><td>Name of the domain data type</td></tr><tr><td><code class="literal">domain_catalog</code></td><td><code class="type">sql_identifier</code></td><td>Name of the database that contains the domain (always the current database)</td></tr><tr><td><code class="literal">domain_schema</code></td><td><code class="type">sql_identifier</code></td><td>Name of the schema that contains the domain</td></tr><tr><td><code class="literal">domain_name</code></td><td><code class="type">sql_identifier</code></td><td>Name of the domain</td></tr></tbody></table></div></div><br class="table-break" /></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="infoschema-domain-constraints.html" title="36.20. domain_constraints">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="information-schema.html" title="Chapter 36. The Information Schema">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="infoschema-domains.html" title="36.22. domains">Next</a></td></tr><tr><td width="40%" align="left" valign="top">36.20. <code xmlns="http://www.w3.org/1999/xhtml" class="literal">domain_constraints</code> </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"> 36.22. <code xmlns="http://www.w3.org/1999/xhtml" class="literal">domains</code></td></tr></table></div></body></html>