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The Definitive Guide to DAX: Business intelligence with Microsoft Excel, SQL Server Analysis Services, and Power BI by Marco Russo, Alberto Ferrari

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Chapter 4. Understanding evaluation contexts

At this point in the book, you have learned the basics of the DAX language. You know how to create calculated columns and measures, and you have a good understanding of common functions used in DAX. This is the chapter where you move to the next level in this language: After learning a solid theoretical background of the DAX language, you will be able to become a real DAX champion.

With the knowledge you have gained so far, you can already create many interesting reports, but you will need to learn evaluation contexts in order to create reports that are more complex. Evaluation contexts are the basis of all of the advanced features of DAX.

We want to give a few words of warning to our readers: The ...

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