In the last months, I’ve been trying to suggest a direction for Power BI, but I start to realize that in these days Microsoft is really prioritizing features based on customer feedback. This can make things harder for a new idea to be prioritized, because  Read more

After the initial release of DAX Studio 2.0, in December 2014, I started working on a few features to analyze performance of DAX queries. Darren Gosbell implemented many other features, and Daniele Perilli helped us with the graphics of the UI. We certainly  Read more

Today Microsoft announced the availability of Power BI preview also outside United States. http://blogs.msdn.com/b/powerbi/archive/2015/03/16/power-bi-preview-now-available-worldwide.aspx One important thing to note is that also the mobile app for iPad  Read more

I published another article in the “From SQL to DAX” series I launched many months ago on www.sqlbi.com . This time, the goal is to analyze DAX alternatives for IN and EXISTS operators that you have in SQL. The name of the article is From SQL to DAX:  Read more

You are probably used to think to FIRSTNONBLANK and LASTNONBLANK as DAX functions related to time-intelligence calculations (usually for semi-additive measures ). However, these functions have a syntax and a behavior that can be useful in other scenarios.  Read more

In the last two years, I and Alberto Ferrari delivered many courses about Power Pivot, SSAS Tabular, and DAX. We had DAX content in many of the courses, and this created some overlapping and the lack of a clear guidance for studying DAX, regardless of  Read more

I have seen many different types of custom calendars implemented in Power Pivot, Tabular, and DAX. I also wrote several articles ( week based calendars and time patterns ). However, there is a scenario that is hard to manage with the classical approaches,  Read more

Less than one year ago I published a pattern about ABC Classification in DAX. Such a pattern was static, so an item (e.g. customer, product) is classified statically when you process a Power Pivot or Tabular model, so filters and slicers querying data  Read more

Microsoft recently released a public preview of Power BI Dashboard . This new service is raising interest because of new visualizations and for the openness to developers, thanks to APIs that can be used also for real-time visualizations . Are you interested  Read more

In 2014 we published several articles in the DAX Patterns web site. We’ll continue to publish new patterns in 2015 (the first one later this month!), but in the meantime we created a first printed version of the patterns available: DAX Patterns 2015 .  Read more