On 6/30/07, Bruno Wolff III <bruno(at)wolff(dot)to> wrote:
> The following is just FYI.
> I was recently doing some stuff with greatest() on oracle (9.2.0.8.0) and
> noticed that it returned null if ANY of the arguments were null. Out of
> curiosity I checked postgres' definition of that function and found that it
> returns null only if ALL of the arguments are null.
W/o knowing the SQL standard (just from what I'd perceive
as sensible) I'd say Oracle is broken. :}
-- Cheers,
Andrej