 transaction commits and checkpoints. 
                    </p>
          <p>
                    You can specify either an lsn range or a time range. You can neither specify both nor specify an lsn and a time as a range.
                     </p>
        </div>
      </div>
      <div class="sect2" lang="en" xml:lang="en">
        <div class="titlepage">
          <div>
            <div>
              <h3 class="title"><a id="idp51652192"></a>Environment Variables</h3>
            </div>
          </div>
 