Dear gents ,
Um trying to make something that i didn't made before and need help .. I already googled some websites but with no hope , I hope that i'll find my solution in that great forum.
I have a query that i need to sum all the columns in an expression even if i added a new column i don't have to add the new field in the expression.
something like the below photo.
Is there a way to do it instead of using this expression
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