i>
          <li>
            <p>
                Do not specify a file name when you open your database(s).
            </p>
          </li>
        </ul>
      </div>
      <p>
        As an example, this section takes the transaction example provided
        in <a class="xref" href="txnexample_c.html" title="Transaction Example">Transaction Example</a>
        and it updates that example so that the environment, database, log
        files, and regions are all kept entirely in-memory. 
    </p>
      <p>