tion.htm">BeginTransaction<span class="languageSpecificText"><span class="cs">()</span><span class="cpp">()</span><span class="nu">()</span></span></a>; if
            the operation is part of a Berkeley DB Concurrent Data Store group,
            <span class="parameter">txn</span> is a handle returned from
            <a href="M_BerkeleyDB_DatabaseEnvironment_BeginCDSGroup.htm">BeginCDSGroup<span class="languageSpecificText"><span class="cs">()</span><span class="cpp">()</span><span class="nu">()</span></s