ionary table&#046; Contains information about the attribute values&#046; </td></tr>
</thead>
<tbody>
	<tr>
		<td><a name='gid'>gid</a></td>
		<td width='40%'> serial  NOT NULL  </td>
		<td width='99%'> Unique attribute value identifier </td>
	</tr>
	<tr>
		<td><a name='attribute_type_code'>attribute&#095;type&#095;code</a></td>
		<td width='40%'> varchar&#040; 254 &#041;   </td>
		<td width='99%'> Code of the attribute type to which the value refers to </td>
	</tr>
	<tr>
		<td><a name='attribute_value'>attr