constraint after the <code class="command">ATTACH PARTITION</code> is complete.  If
     the table being attached is itself a partitioned table, then each of its
     sub-partitions will be recursively locked and scanned until either a
     suitable <code class="literal">CHECK</code> constraint is encountered or the leaf
     partitions are reached.
    </p><p>
     Similarly, if the partitioned table has a <code class="literal">DEFAULT</code>
     partition, it is recommended to create a <code class="liter