t in the parent.  It
        is not possible to specify columns when creating partitions with
        <code class="command">CREATE TABLE</code>, nor is it possible to add columns to
        partitions after-the-fact using <code class="command">ALTER TABLE</code>.
        Tables may be added as a partition with <code class="command">ALTER TABLE
        ... ATTACH PARTITION</code> only if their columns exactly match
        the parent.
       </p></li><li class="listitem"><p>
        Both <code class="literal