CASE WHEN NULL Returns WHAT?!
CASE WHEN with NULL creates three-valued logic chaos! NULL conditions return unexpected results. This breaks conditional logic! Watch!
#sql #sqltricks #database #sqltutorial #casewhen #null #sqlquiz #codingchallenge #sqlshorts #sqlbugs #conditionallogic #sqlwtf
LIKE 'test_%' Matches WHAT?!
LIKE with underscore matches ANY single character! 'test_%' matches 'test1', 'testA', 'test_'. This breaks pattern matching! Watch!
#sql #sqltricks #database #sqltutorial #like #patternmatching #sqlquiz #codingchallenge #sqlshorts #sqlbugs #wildcards #sqlwtf
CAST('2024-02-30' AS DATE) Returns WHAT?!
SQL handles invalid dates in weird ways! February 30 doesn't exist but SQL might return NULL, error, or wrap to next month! Watch!
#sql #sqltricks #database #sqltutorial #invaliddate #datecasting #sqlquiz #codingchallenge #sqlshorts #sqlbugs #datefunctions #sqlwtf