Processing a Trillion Cells per Mouse Click Alexander Hall, Olaf Bachmann, Robert Büssow, Silviu Gănceanu, Marc Nunkesser Google, Inc. {alexhall, olafb, buessow, silviu, marcnunkesser}@google.com ABSTRACT Column-oriented database systems have been a real game changer for the industry in recent years. Highly tuned and performant systems have evolved that provide users with the possibility of answ