I hadn’t time in the last two months for new blog posts, but with some good reasons! I’ve been busy putting DAX Formatter online and writing some other stuffs that I will be happy to share very soon, aside from daily engagements with customers, of course.  Read more

The December release of Power Query preview (version 2.9.3502.261) introduced an interesting feature: when you import multiple tables in the data model, relationships existing between tables in the data source are automatically detected and added to the  Read more

When you write a DAX formula that is not trivial, you end up having a complex expression that is not really readable. I think that the same problem affect in part all Excel users, but in Excel you can easily split a formula in many steps, using different  Read more

I recently wrote an article on SQLBI about the semi-additive measures in DAX . I included the formulas common calculations and there is an interesting point that worth a longer digression: the difference between LASTDATE and MAX (which is similar to FIRSTDATE  Read more

Recently I received a request from a reader related to the handling of missing or invalid dates in Tabular (but the same can be applied to Power Pivot). In the Analysis Services Tabular book , we wrote that you can insert a special row in the Date table  Read more

Alberto Ferrari recently recorded a free short video introduction about what is time intelligence . When you have to perform time-related calculations in Power Pivot or in Analysis Services Tabular, you have to rely on some DAX expressions. There are  Read more

I recently wrote an article on SQLBI describing the dynamic calculation of stock inventory in DAX. With this technique, you can avoid creating a snapshot fact table just to store the inventory stock for every day and every product, creating a table that  Read more

This time Microsoft listened to the many complaints received since Excel 2013 release and the stand-alone version of Excel now includes Power Pivot and Power View! This is a very important news because there were customer who didn’t upgrade from Excel  Read more

In the last weeks the Microsoft BI buzzword has been Power BI for Office 365, which will be available soon in preview. I read a few comments about the fact that there is a constant discussion about the future but a lack of information and discussion about  Read more

Alberto Ferrari wrote a very interesting white paper about DAX query plans. We published it on a page where we'll gather articles and tools about DAX query plans: http://www.sqlbi.com/topics/query-plans/ I reviewed the paper and this is the result of  Read more