D(node-metadata-equality-string,name:http://www.sleepycat.com/2002/dbxml,=,'items.xml',R(node-element-equality-date,end_date,>=,'1999-03-01',<=,'1999-03-31')) V(node-element-equality-date,end_date,>=,'1999-03-01') V(node-element-equality-date,end_date,<=,'1999-03-31')