On Wednesday, February 15, 2017, Teddy Schmitz <teddy.schmitz@actuallywedo. com <javascript:_e(%7B%7D,'cvml','teddy.schm...@actuallywedo.com');>> wrote: > > select greatest(max(t1.id), max(t2.id)) from t1, t2; > > I seriously doubt that the greatest function is a larger contributor to run time than the cross join between t1 and t2.
David J.
