I and Alberto Ferrari recently completed the writing of The Definitive Guide to DAX , and we spent months to correctly describe the internals of evaluation context in this language. There are many details that make data model working with both DAX and  Read more

Thanks to Darren Gosbell we have DAX Studio 2.2. In this new release: Tracing (query plans and server timings) available for Power Pivot Basic implementation of Intellisense Connect to Multidimensional SSAS servers Support for multiple Power BI Desginer  Read more

I recently tried Excel for iPad and tried opening several workbooks. The results are pretty good, but I’ve found that it wasn’t possible to display certain workbooks. For example, opening a workbook that contains many CUBEVALUE formulas, I should have  Read more

I recently got a question about differences between DISTINCT and VALUES in DAX and thanks to Jeffrey Wang I created a simple example to describe the difference. Consider the two tables below: Fact and Dim tables, having a single column with the same name  Read more

Yesterday Chris blogged about Varigence Vivid and Bonavista Dimensions . His post remembered me that I might share my comments about Vivid and I had to take a tour around Bonavista Dimensions, and here we are. Varigence Vivid is simply something that  Read more

The project codenamed Gemini has an official name now: PowerPivot . The complete name should be “PowerPivot for Excel 2010”, but PowerPivot is simpler. I didn’t like that name yesterday, but today it seems better. Microsoft announced this name at the  Read more

After many tries, today I came to the conclusion that Analysis Services 2005 SP2 breaks the Excel 2007 calculated member selection feature. I already talked about this issue here , but today I found the way to reproduce the error. This is a scenario that  Read more

Today I had a big trouble with one customer. We migrated an AS2000 solution to SSAS2005, making a lifting to dimensions just to consolidate into attributes what were indipendent dimensions in the old cube. One of the old dimensions contained only one  Read more

Often end users use Excel to navigate into the cube. Then they may ask you to produce a report using the same data. It would be useful to get the MDX query used by Excel. Moreover, Excel 2007 offers a good MDX quality of the produced query against Analysis  Read more