ue in a record being added is already present in the database.  A
<code>DatabaseException</code> will be thrown in this situation.</li>
<li>If a foreign key constraint is configured with the delete action
<code>ABORT</code> (the default setting), a <code>DatabaseException</code>
will be thrown if an attempt is made to delete a referenced foreign
key.</li>
</ul>
In both cases, the operation will be partially complete because the primary
database record will have already been updated or deleted.  In the prese