when we have to use class function and when interval match function scenarion?

[rjyadav94]

Can anyone let me know when and where to use class() and where to use interval match()?I mean in which scenario??

thanks in advacnce

[MindaugasBacius]

I strongly suggest reading:
-Class()
https://help.qlik.com/en-US/qlikview/12.0/Subsystems/Client/Content/Scripting/ConditionalFunctions/c...
https://community.qlik.com/t5/QlikView-App-Development/Class-function/td-p/493758

-IntervalMatch()
https://help.qlik.com/en-US/qlikview/12.0/Subsystems/Client/Content/Scripting/ScriptPrefixes/Interva...
https://community.qlik.com/t5/QlikView-Documents/IntervalMatch-and-Slowly-Changing-Dimensions/ta-p/1...