0%" align="left" valign="top">38.2. The <span class="productname">PostgreSQL</span> Type System </td><td width="20%" align="center"><a accesskey="h" href="index.html" title="PostgreSQL 16.4 Documentation">Home</a></td><td width="40%" align="right" valign="top"> 38.4. User-Defined Procedures</td></tr></table></div></body></html>