If you write direct MDX queries using SSAS 2005/2008 as a PowerPivot data source, it is better if you prepare your MDX query by using another editor. For example, write and test your MDX query by using SQL Server Management Studio and then copy &  Read more

The query designer in PowerPivot has a few limitations that require the manual modification of the MDX query to get data that are often needed to create a PowerPivot model that compares data from cube with data from other sources (like Excel workbooks  Read more

A general problem of any cube is the way PowerPivot handles calculated members. From a technical point of view, it is absolutely correct that PowerPivot imports the result of a calculated member evaluated at the granularity of the query result. However,  Read more

If you are curious to look at the upcoming book Microsoft PowerPivot for Excel 2010: Give Your Data Meaning that I wrote with Alberto , you can see the first 4 chapters in draft format through the “ Rough Cuts ” initiative by O’Reilly. I’d like to get  Read more

Companies that have cubes on Analysis Services 2000 and still have not completed a migration to SSAS 2005/2008 might be interested in connecting to AS2000 from PowerPivot. Unfortunately, there are several limitations about using AS2000 as a data source  Read more

In the next 2 to 3 weeks I will publish a few blog posts about importing data to PowerPivot using Analysis Services as a data source. This is something I studied a lot during the beta test of PowerPivot and it is not a topic that has a place in the upcoming  Read more

Did you missed our SQLBI Methodology session at PASS Summit 2009? Don’t worry. We will make the show again, live and directly on your PC – for free! On September 15 and 16 there will be a new edition of 24 Hours of PASS . I and Alberto will show SQLBI  Read more

I really don’t like to use the blog as an advertising tool, but sometimes I feel the need to mention third party products because I thing they are interesting enough. Today I discovered that CozyRoc implemented the Parallel Loop Task in SSIS . This is  Read more

I recently discussed with Darren Gosbell about how to calculate the Median in DAX. The problem is to make the calculation using a measure, so that you can use it in a dynamic way into a PivotTable. We have a People table with three columns: Gender, Customer  Read more

In reality, there are two news. First, PivotViewer for Reporting Services CTP1 has been released and you can try it. Second, Cristian Petculescu has a blog and you can find a video about how to install and start using PivotViewer. Cristian is one of the  Read more