xclusion</a>
         configuration parameter is not disabled in
         <code class="filename">postgresql.conf</code>; otherwise
         child tables may be accessed unnecessarily.
        </p></li></ol></div><p>
     </p><p>
      As we can see, a complex table hierarchy could require a
      substantial amount of DDL.  In the above example we would be creating
      a new child table each month, so it might be wise to write a script that
      generates the required DDL automatically.
     </p></div><d