We teach DAX and Analysis Services all around the world

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blog post –

DAX Studio and Power BI diagnostic port

DAX Studio connects to a Power BI Desktop model using a technique that was not officially supported until a few months ago. This changed when the “diagnostic port” was documented in this article of the official documentation:  Read more

blog post –

Dates differences between Excel and DAX

DAX supports dates starting in 1900 and while teaching DAX I always explain that DAX manages dates like Excel, which is the reason why these limitations exist. Actually, this is true – but answering to a comment today I realized…  Read more

DAX Patterns

ABC Classification – Dynamic

The dynamic version of the ABC Classification pattern is an extension of the Dynamic Segmentation pattern It groups items such as Products or Customers into segments based on their cumulated sales and how much they contributed to the total sales…  www.sqlbi.com


Book – Microsoft Press

Analyzing Data with Power BI and Power Pivot for Excel

How can you use Excel and Power BI to gain real insights into your information? As you examine your data, how do you write a formula that provides the numbers you need? The answers to both of these questions lie with the data model. Read more