y
            temporary and cannot be opened by any other thread of control, thus
            the database can only be accessed by sharing the single database 
            object that created it, in circumstances where doing so is safe. If
            <span class="parameter">Filename</span> is null and
            <span class="parameter">DatabaseName</span> is non-null, the database can be
            opened by other threads of control and will be replicated to client
            sites in any replication gr