#conditionallogic — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #conditionallogic, aggregated by home.social.
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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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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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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
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PowerShell Control Flow: A Practical Guide to Conditional Logic http://dlvr.it/TGlTKh via PlanetPowerShell #PowerShell #ControlFlow #ConditionalLogic #ServerAdministration