tures.  Each active
                        transaction uses a transaction structure until it
                        either commits or aborts.
                    </p>
              </li>
              <li>
                <p>
                          <code class="literal">DB_MEM_THREAD</code> 
                    </p>
                <p>
                        Initialize thread identification structures.  If thread
                        tracking is enabled then each active thread will use a
          