On Saturday, October 13, 2018, Bruce Momjian <
bruce@momjian.us> wrote:
On Sat, Oct 13, 2018 at 12:25:38PM +0300, KES wrote:
> >or NULL if any of the comparisons result in unknown
> result in unknown??
Well, SQL has a three-valued logic, and UNKOWN values are treated like
NULL. For me they have always been the same, and I would like to avoid
"unknown" in this context, if possible.
I was just trying to avoid using the word null twice in the same sentence but it’s not a strong aversion.
David J.