{ for $spx in document("ShipmentsRelation.xml") //ShipmentTuple, $sx in document("SuppliersRelation.xml") //SupplierTuple[SNUM = $spx/SNUM], $px in document("PartsRelation.xml") //PartTuple[PNUM = $spx/PNUM] order by SNAME, PNAME return { $sx/SNAME, $px/PNAME, $spx/QTY } }