e>conflict</code> argument</p></dd>


<dt>duplicate_keys_left</dt>
<dd><p>What to do if we find duplicate sets of keys in the
left table</p></dd>


<dt>duplicate_keys_right</dt>
<dd><p>What to do if we find duplicate sets of keys in the
right table</p></dd>


<dt>unmatched_keys_left</dt>
<dd><p>What to do if we find unmatched sets of keys in the
left table</p></dd>


<dt>unmatched_keys_right</dt>
<dd><p>What to do if we find unmatched sets of keys in the
right table</p></dd>


<dt>missing_key_combination_le