Reflections on NULLs in Response to “Much Ado About Nothing” by van Wijk

From @eddieawad, the unending DBA controversy about NULLs continues at Much Ado About Nothing? by Rob van Wijk.

My quick response is that NULLs do NOT belong in the logical design (or data model) of a database, but they are useful in the implementation.

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