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

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

The sessions recorded at TechEd 2013 are online. I and Alberto Ferrari delivered the same sessions and the recording are available for both TechEd North America and TechEd Europe. It’s nice for me being able to compare two deliveries of the same session.  Read more

I received this request in many courses , messages and also forum discussions: having an Analysis Services Tabular model, it would be nice being able to extract a correspondent PowerPivot data model. In order of priority, here are the specific feature  Read more

If you think PowerPivot and Tabular are good tools but sometime the design tools are not fast/complete/flexible enough, please consider voting this suggestion on Connect to request a textual representation Tabular or PowerPivot Data Models . This is the  Read more

I and Alberto Ferrari will moderate the following Birds of a Feather session at TechEd North America 2013 : CODE: BOF-ITP21 TITLE: How Far Can You Push Tabular? SPEAKER: A. Ferrari; M. Russo TIMESLOT: June 5, 2013 at 1:30 pm ROOM: 263 Abstract: Tabular  Read more

In June I and Alberto will deliver a pre-conference seminar at both TechEd North America (New Orleans, LA) and TechEd Europe (Madrid, Spain). This day is a very good quickstart for those of you that still didn't complete one of our books , or those of  Read more