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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>36.21. domain_constraints</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 V1.79.1" /><link rel="prev" href="infoschema-data-type-privileges.html" title="36.20. data_type_privileges" /><link rel="next" href="infoschema-domain-udt-usage.html" title="36.22. domain_udt_usage" /></head><body id="docContent" class="container-fluid col-10"><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_constraints</code></th></tr><tr><td width="10%" align="left"><a accesskey="p" href="infoschema-data-type-privileges.html" title="36.20. data_type_privileges">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 13.4 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="infoschema-domain-udt-usage.html" title="36.22. domain_udt_usage">Next</a></td></tr></table><hr></hr></div><div class="sect1" id="INFOSCHEMA-DOMAIN-CONSTRAINTS"><div class="titlepage"><div><div><h2 class="title" style="clear: both">36.21. <code class="literal">domain_constraints</code></h2></div></div></div><p>
The view <code class="literal">domain_constraints</code> contains all constraints
belonging to domains defined in the current database. Only those domains
are shown that the current user has access to (by way of being the owner or
having some privilege).
</p><div class="table" id="id-1.7.6.25.3"><p class="title"><strong>Table 36.19. <code class="structname">domain_constraints</code> Columns</strong></p><div class="table-contents"><table class="table" summary="domain_constraints Columns" border="1"><colgroup><col /></colgroup><thead><tr><th class="catalog_table_entry"><p class="column_definition">
Column Type
</p>
<p>
Description
</p></th></tr></thead><tbody><tr><td class="catalog_table_entry"><p class="column_definition">
<code class="structfield">constraint_catalog</code> <code class="type">sql_identifier</code>
</p>
<p>
Name of the database that contains the constraint (always the current database)
</p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
<code class="structfield">constraint_schema</code> <code class="type">sql_identifier</code>
</p>
<p>
Name of the schema that contains the constraint
</p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
<code class="structfield">constraint_name</code> <code class="type">sql_identifier</code>
</p>
<p>
Name of the constraint
</p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
<code class="structfield">domain_catalog</code> <code class="type">sql_identifier</code>
</p>
<p>
Name of the database that contains the domain (always the current database)
</p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
<code class="structfield">domain_schema</code> <code class="type">sql_identifier</code>
</p>
<p>
Name of the schema that contains the domain
</p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
<code class="structfield">domain_name</code> <code class="type">sql_identifier</code>
</p>
<p>
Name of the domain
</p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
<code class="structfield">is_deferrable</code> <code class="type">yes_or_no</code>
</p>
<p>
<code class="literal">YES</code> if the constraint is deferrable, <code class="literal">NO</code> if not
</p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
<code class="structfield">initially_deferred</code> <code class="type">yes_or_no</code>
</p>
<p>
<code class="literal">YES</code> if the constraint is deferrable and initially deferred, <code class="literal">NO</code> if not
</p></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-data-type-privileges.html" title="36.20. data_type_privileges">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-domain-udt-usage.html" title="36.22. domain_udt_usage">Next</a></td></tr><tr><td width="40%" align="left" valign="top">36.20. <code xmlns="http://www.w3.org/1999/xhtml" class="literal">data_type_privileges</code> </td><td width="20%" align="center"><a accesskey="h" href="index.html" title="PostgreSQL 13.4 Documentation">Home</a></td><td width="40%" align="right" valign="top"> 36.22. <code xmlns="http://www.w3.org/1999/xhtml" class="literal">domain_udt_usage</code></td></tr></table></div></body></html>
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