NULL IN (1,2,3) Is NOT What You Think!
Your brain will explode! Checking if NULL is IN a list returns something that makes NO sense. This breaks every query! Watch the chaos!
#sql #sqltricks #database #sqltutorial #nullin #sqlquiz #codingchallenge #sqlshorts #sqlbugs #inclause #sqlwtf #threevaluedlogic
Three-Valued Logic: AND - OR With NULL?!
SQL has THREE truth values: TRUE, FALSE, and UNKNOWN (NULL)! AND/OR with NULL creates logic that breaks everything! Watch!
#sql #sqltricks #database #sqltutorial #threevaluedlogic #null #sqlquiz #codingchallenge #sqlshorts #sqlbugs #booleanlogic #sqlwtf
The Setun Was a Ternary Computer from the USSR in 1958 https://hackaday.com/2026/01/03/the-setun-was-a-ternary-computer-from-the-ussr-in-1958/
#Computerhacks #Hardware #3VL #MoscowStateUniversity #SETUN #Ternary #Ternarycomputer #Threevaluedlogic #USSR
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
