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<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="infoschema-view-table-usage"></a>31.40.<code class="literal">view_table_usage</code></h2></div></div></div>
<p> The view <code class="literal">view_table_usage</code> identifies all tables
that are used in the query expression of a view (the
<code class="command">SELECT</code> statement that defines the view). A
table is only included if the current user is the owner of that
table.
</p>
<div class="note" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Note</h3>
<p> System tables are not included. This should be fixed sometime.
</p>
</div>
<div class="table">
<a name="id703063"></a><p class="title"><b>Table31.38.<code class="literal">view_table_usage</code> Columns</b></p>
<div class="table-contents"><table summary="view_table_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">view_catalog</code></td>
<td><code class="type">sql_identifier</code></td>
<td>Name of the database that contains the view (always the current database)</td>
</tr>
<tr>
<td><code class="literal">view_schema</code></td>
<td><code class="type">sql_identifier</code></td>
<td>Name of the schema that contains the view</td>
</tr>
<tr>
<td><code class="literal">view_name</code></td>
<td><code class="type">sql_identifier</code></td>
<td>Name of the view</td>
</tr>
<tr>
<td><code class="literal">table_catalog</code></td>
<td><code class="type">sql_identifier</code></td>
<td> Name of the database that contains the table that is
used by the view (always the current database)
</td>
</tr>
<tr>
<td><code class="literal">table_schema</code></td>
<td><code class="type">sql_identifier</code></td>
<td> Name of the schema that contains the table that is used by the
view
</td>
</tr>
<tr>
<td><code class="literal">table_name</code></td>
<td><code class="type">sql_identifier</code></td>
<td> Name of the table that is used by the view
</td>
</tr>
</tbody>
</table></div>
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