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

article –

Side effects of the Sort By Column setting in DAX

The Sort By Column feature in Power BI causes side effects that are important to know when writing a DAX formula. This article explains these side effects and how to write correct DAX code to avoid getting incorrect results.  Read more

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blog post –

On comparing Power BI with other tools

In the last few years, the Business Intelligence (BI) world has been moving towards self-service BI. As expected, several vendors created tools empowering regular users to gain insights from their data. Among the many, there is Power BI. Nowadays, users…  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