that contains the domain (always the current database)
      </para></entry>
     </row>

     <row>
      <entry role="catalog_table_entry"><para role="column_definition">
       <structfield>domain_schema</structfield> <type>sql_identifier</type>
      </para>
      <para>
       Name of the schema that contains the domain
      </para></entry>
     </row>

     <row>
      <entry role="catalog_table_entry"><para role="column_definition">
       <structfield>domain_name</structfield> <type>sql_identifier</type>
      </para>
      <para>
       Name of the domain
      </para></entry>
     </row>

     <row>
      <entry role="catalog_table_entry"><para role="column_definition">
       <structfield>is_deferrable</structfield> <type>yes_or_no</type>
      </para>
      <para>
       <literal>YES</literal> if the constraint is deferrable, <literal>NO</literal> if not
      </para></entry>
     </row>

     <row>
      <entry role="catalog_table_entry"><para role="column_definition">
       <structfield>initially_deferred</structfield> <type>yes_or_no</type>
      </para>
      <para>
       <literal>YES</literal> if the constraint is deferrable and initially deferred, <literal>NO</literal> if not
      </para></entry>
     </row>
    </tbody>
   </tgroup>
  </table>
 </sect1>

 <sect1 id="infoschema-domain-udt-usage">
  <title><literal>domain_udt_usage</literal></title>

  <para>
   The view <literal>domain_udt_usage</literal> identifies all domains
   that are based on data types owned by a currently enabled role.
   Note that in <productname>PostgreSQL</productname>, built-in data
   types behave like user-defined types, so they are included here as
   well.
  </para>

  <table>
   <title><structname>domain_udt_usage</structname> Columns</title>
   <tgroup cols="1">
    <thead>
     <row>
      <entry role="catalog_table_entry"><para role="column_definition">
       Column Type
      </para>
      <para>
       Description
      </para></entry>
     </row>
    </thead>

    <tbody>
     <row>
      <entry role="catalog_table_entry"><para role="column_definition">
       <structfield>udt_catalog</structfield> <type>sql_identifier</type>
      </para>
      <para>
       Name of the database that the domain data type is defined in (always the current database)
      </para></entry>
     </row>

     <row>
      <entry role="catalog_table_entry"><para role="column_definition">
       <structfield>udt_schema</structfield> <type>sql_identifier</type>
      </para>
      <para>
       Name of the schema that the domain data type is defined in
      </para></entry>
     </row>

     <row>
      <entry role="catalog_table_entry"><para role="column_definition">
       <structfield>udt_name</structfield> <type>sql_identifier</type>
      </para>
      <para>
       Name of the domain data type
      </para></entry>
     </row>

     <row>
      <entry role="catalog_table_entry"><para role="column_definition">
       <structfield>domain_catalog</structfield> <type>sql_identifier</type>
      </para>
      <para>
       Name of the database that contains the domain (always the current database)
      </para></entry>
     </row>

     <row>
      <entry role="catalog_table_entry"><para role="column_definition">
       <structfield>domain_schema</structfield> <type>sql_identifier</type>
      </para>
      <para>
       Name of the schema that contains the domain
      </para></entry>
     </row>

     <row>
      <entry role="catalog_table_entry"><para role="column_definition">
       <structfield>domain_name</structfield> <type>sql_identifier</type>
      </para>
      <para>
       Name of the domain
      </para></entry>
     </row>
    </tbody>
   </tgroup>
  </table>
 </sect1>

 <sect1 id="infoschema-domains">
  <title><literal>domains</literal></title>

  <para>
   The view <literal>domains</literal> contains all
   <glossterm linkend="glossary-domain">domains</glossterm> defined in the
   current database.  Only those domains are