You can use the USERELATIONSHIP function in DAX to apply a non-active relationship in a particular DAX calculation. This approach is usually simple in a measure (just use USERELATIOSHIP in one of the filter arguments of CALCULATE) but as soon as you try  Read more

I and Alberto Ferrari delivered many SSAS Tabular Workshops in the last 18 months and based on the feedback we received, we are moving toward a renewed edition. Instead of a 2-day seminar, we will run a 3-day course including hands-on-labs. We didn’t  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

I recently wrote an article that describes how to calculate a measure (such a sales, but it could be anything else) considering for each customer its first 12 months, then months 13-24 and so on. In practice, for every customer you have a different range  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

A couple of weeks ago, I wrote a blog post about MCSM for BI certification . This raised an interesting discussion about the reasons why such a certification does not exists, whether it was really necessary, what it should include, and so on. There was  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

Two years ago Microsoft started a certification program called SSAS Maestro , which was intended to be as a step towards a broader certification such as a Microsoft Certified Architect (MCA) or Microsoft Certified Solution Master (MCSM) for Business Intelligence  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