 their inheritance children, hence they have some
        <a class="link" href="ddl-inherit.html#DDL-INHERIT-CAVEATS" title="5.10.1. Caveats">caveats</a> to be aware of.
       </p></li><li class="listitem"><p>
        The schemes shown here assume that the values of a row's key column(s)
        never change, or at least do not change enough to require it to move to another partition.
        An <code class="command">UPDATE</code> that attempts
        to do that will fail because of the <code class="lite