title: heterogeneous database query optimization in db2 universal datajoiner shivakumar venkataraman , tian zhang vldb 1998. authors: nan. venue: nan. year: nan
title: ibm 's db2 universal database demonstrations at vldb '98 1998. authors: k. bernhard schiefer , jim kleewein , karen brannon , guy m. lohman , gene fuh. venue: very large data bases. year: nan