aa <ghe...@gmail.com> writes: > If you call the action of "sifting" ordering, then yes. If you don't call > it ordering, then no. > In essence, is the output of a filtering mechanism, done in a single result > set pass. And this pass should be the same pass in charge of collecting the > result set in the first place.
Sounds a lot like a WHERE clause to me.
regards, tom lane
