On Mon, Dec 21, 2015 at 1:00 PM, Scott Marlowe <scott.marl...@gmail.com> wrote:
> On Sun, Dec 20, 2015 at 11:39 PM, Sterpu Victor <vic...@caido.ro> wrote: > > Thank you. > > > > I used the syntax with 2 indexes, it works for me. > > But why does NULL != NULL? > > Because NULL literally means "an unknown, possibly unknowable value." > > You need to stop thinking of NULL as A value. It is not. > Right. It would be sort of like asking: "is an object which I can't see the same as (==) or different from (!=) some other object which I can't see?" Answer: "How would I know???" -- Computer Science is the only discipline in which we view adding a new wing to a building as being maintenance -- Jim Horning Schrodinger's backup: The condition of any backup is unknown until a restore is attempted. Yoda of Borg, we are. Futile, resistance is, yes. Assimilated, you will be. He's about as useful as a wax frying pan. 10 to the 12th power microphones = 1 Megaphone Maranatha! <>< John McKown
