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@JeffreyVanLaethem - Why are you doing WHERE IS NULL? That wasn't the question at all? This performs an anti semi join. like NOT EXISTS

Martin Smith
– Martin Smith

2016-01-21 20:40:17 +00:00
Commented Jan 21, 2016 at 20:40
Re Venn diagrams for joins & differences between joins, see my comment on the question & at the question & answers at your own linked Venn Q&A--where at least for now we got most of the (pseudo-)Venns removed since they are mislabelled, misleading & unhelpful.

philipxy
– philipxy

2023-02-14 04:29:58 +00:00
Commented Feb 14, 2023 at 4:29

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