a href="../api_reference/C/DB_MULTIPLE_RECNO_WRITE_NEXT.html" class="olink">DB_MULTIPLE_RECNO_WRITE_NEXT</a> with a data size of zero;.  In both cases, set the <a href="../api_reference/C/dbcget.html#dbcget_DB_MULTIPLE" class="olink">DB_MULTIPLE</a> flag to <a href="../api_reference/C/dbput.html" class="olink">DB-&gt;put()</a>.</p>
        <p>Alternatively, for btree and hash access methods, construct a single bulk buffer in the <span class="bold"><strong>key</strong></span> <a href="../api_reference/C/dbt.