sequent Berkeley DB calls
            made by any threads of control participating in the environment.
            </div></td></tr><tr data="class; public"><td><img src="../icons/pubclass.gif" title="Public class" /></td><td><a href="T_BerkeleyDB_SecondaryBTreeDatabase.htm">SecondaryBTreeDatabase</a></td><td><div class="summary">
            A class representing a SecondaryBTreeDatabase.  The Btree format is a
            representation of a sorted, balanced tree structure. 
            </div></td></tr><tr 