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Variables in DAX
Hi, I'm looking at this page Guided Learning , it mentions: "Keep in mind that each time you reference a variable in your DAX expression, Power BI must recalculate its value according to your defi...
The guided learning is wrong. Variables will only be calculated once (per calculation) and if used multiple times can actually lead to performance improvements.
So don't shy away from variables.
Phil
The guided learning is wrong. Variables will only be calculated once (per calculation) and if used multiple times can actually lead to performance improvements.
So don't shy away from variables.
Phil