This page contains descriptions and links to necessary tools and resources for DAX and Tabular developers.  Read more

One of the side effects that you might not expect from a table filter in a CALCULATE statement is the removal of an existing filter. In reality, this is a condition that happens when you write an explicit CALCULATE in a row context, because the table  Read more

If you work with Power Pivot, Power BI, or Analysis Services Tabular, you probably already know VertiPaq Analyzer. If you never used it, with the new release 1.7 you have another couple of very good reason to try it. VertiPaq Analyzer is a Power Pivot  Read more

Last week, a new version of DAX Studio (2.5.0) has been released. You can find a summary of the new features in the blog post from Darren Gosbell - thanks Darren for your wonderful job with this tool! My small contribution to this tool is mainly in the  Read more

A recent change in the DAX language transformed the behavior of IF statement, so that it should not return BLANK but only TRUE/FALSE if the results should be logical expressions. In that case, the BLANK is transformed in a FALSE condition. For example,  Read more

If you are used to virtual relationships in DAX (see Handling Different Granularities in DAX ), you probably use the following pattern relatively often: [Filtered Measure ] := CALCULATE (     <target_measure>,     FILTER  Read more

Today I observed an issue on a notebook where Excel 2016 was installed and then removed, going back to Excel 2013. After this operation, workbooks having a Power Pivot data model were working correctly by navigating data in PivotTables, but any operation  Read more

The latest version of Power Pivot Utils v 1.05 has a new feature that deserves the immediate upgrade: you can list unused columns ! Thanks to Idan Cohen and Amir Hefetz for their contribute to the macros developed by Bertrand d'ARBONNEAU!  Read more

If you are using Power BI Desktop or Power Pivot in Excel 2016, you should learn when and how you can use GROUPBY instead of SUMMARIZE. The SUMMARIZE function is very powerful and internally very complex, so it’s easy to find scenarios where you get unexpected  Read more

In a couple of weeks, I will move to Australia for 3 weeks, visiting Melbourne and Sydney for a number of events and training. This is the list of topics in public events you can attend (with link to registration pages – remember that SQL Saturday conferences  Read more