NULL is Not The Billion Dollar Mistake. A Counter-Rant

A short while ago, I gave this answer on Quora. The question was "What is the significance of NULL in SQL?" and most of the existing answers went on about citing C.J. Date or Tony Hoare and unanimously declared NULL as "evil". So, everyone rants about NULL all the time. Let me counter-rant. Academics Of … Continue reading NULL is Not The Billion Dollar Mistake. A Counter-Rant