entsize" class="olink">Selecting an Extent Size</a>
                 in the <em class="citetitle">Berkeley DB Programmer's Reference Guide</em>.
             </p>
          </li>
          <li>
            <p>
                 <span class="bold"><strong>-ffactor density</strong></span> 
             </p>
            <p>
                 Set the desired density within the hash table.     
             </p>
            <p>
                 The density is an approximation of the number of keys allowed to
     