CASE Expression with NULL Comparison?!
CASE expressions have NULL traps! NULL = NULL is UNKNOWN, not TRUE. The CASE logic handles this differently than you expect!
#sql #sqltricks #case #nullcomparison #threevaluedlogic #sqlweird #sqlquiz #codingchallenge #sqlshorts #sqlwtf #conditionallogic #advancedsql
CASE Expression with NULL Comparison?!
CASE expressions have NULL traps! NULL = NULL is UNKNOWN, not TRUE. The CASE logic handles this differently than you expect!
#sql #sqltricks #case #nullcomparison #threevaluedlogic #sqlweird #sqlquiz #codingchallenge #sqlshorts #sqlwtf #conditionallogic #advancedsql
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