Thanks, both!
That's a very interesting thread. I was confident this was a subject that
had been discussed--just wasn't sure where--so thank you for forwarding.
I guess the big-picture summary is that NOT IN's definition introduces
complexity (the nature of which I now understand better) that is
On Thu, Nov 8, 2018 at 3:12 PM David Rowley
wrote:
>
> On 9 November 2018 at 08:35, Lincoln Swaine-Moore
> wrote:
> > My primary question is: why is this approach only possible (for data too
> > large for memory) when using NOT EXISTS, and not when using NOT IN?
> >
> > I understand that there is
