title: database performance in the real world - tpc-d and sap r/3 ( experience paper ). authors: j doppelhammer , t hіppler , a kemper , d kossmann. venue: sigmod conference. year: 1997
title: database performance in the real world : tpc-d and sap r/3. authors: j doppelhammer. venue: sigmod record ,. year: 1997.0