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<title>31.14.domain_udt_usage</title>
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<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="infoschema-domain-udt-usage"></a>31.14.<code class="literal">domain_udt_usage</code></h2></div></div></div>
<p> The view <code class="literal">domain_udt_usage</code> identifies all columns
that use data types owned by the current user. 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">
<a name="id695342"></a><p class="title"><b>Table31.12.<code class="literal">domain_udt_usage</code> Columns</b></p>
<div class="table-contents"><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>
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