On Sunday, March 23, 2025, Christophe Pettus <x...@thebuild.com> wrote:
> > (And to be pedantic, #1 returns TRUE / FALSE while #2 returns <int> / > NULL, so they aren't exactly equivalent. If you are able to handle <int> / > NULL, you don't need the EXISTS clause.) > Leaving the limit in place, without exists #1 returns either an empty set or an <int>, never NULL. Always returning a Boolean seems like a better API choice though; but standardizing on that final transform doesn’t change the base comparison. David J.