On Saturday, October 13, 2018, Bruce Momjian <br...@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.
