e DB have transaction support</td>
              </tr>
              <tr>
                <td>
                  <a class="xref" href="envcdsgroup_begin.html" title="DB_ENV-&gt;cdsgroup_begin()">DB_ENV-&gt;cdsgroup_begin()</a>
                </td>
                <td>Get a locker ID in Berkeley DB Concurrent Data Store</td>
              </tr>
              <tr>
                <td><a class="xref" href="envset_tx_max.html" title="DB_ENV-&gt;set_tx_max()">DB_ENV-&gt;set_tx_max()</a>, <a class="xref" href="e