Topic: DAX

       Page 20 of 193 blog posts
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How CALCULATE works in DAX

The CALCULATE function in DAX is the magic key for many calculations we can do in DAX. However, it is not pretty intuitive how it works and I spent a lot of time trying to understand how it can be used. First of all, this is the syntax. CALCULATE( <expression>,  Read more

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Distinct Count Measure in PowerPivot using DAX

UPDATE: PowerPivot for Excel 2010 in SQL Server 2012 and Excel 2013 support the DISTINCTCOUNT aggregation in DAX. This blog post is relevant only if you use PowerPivot for Excel 2010 in SQL Server 2008 R2. A PivotTable based on PowerPivot data doesn’t  Read more

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Many-to-Many relationships in PowerPivot

UPDATE: This blog post is still good for learning DAX principles, but a better description of many-to-many patterns is available on The Many-to-Many Revolution whitepaper that is available here: – please download  Read more