E.F. Codd literally designed null into the relational model. I don't think calli... | Hacker News

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		chris_wot on May 14, 2018 \| parent \| context \| favorite \| on: The Logical Disaster of Null E.F. Codd literally designed null into the relational model. I don't think calling someone ignorant is very helpful.

ErwinSmout on May 14, 2018 [–]

But the demeaning ridicule that gets thrown at me is ?

(BTW I doubt very much that "Codd designed null into the RM". Even his 12 rules mention only "a systemic way to deal with missing information", not "null".)

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