I’ve been interviewed by Greg Low in SQL Down Under show 58, and this is *not* an April fool! We talked for one hour about Tabular, Multidimensional, Data Warehouse and just a little bit about music (you can discover which music genre I’m used to listen…).  Read more

I recently published a video session on Project Botticelli web site regarding querying in DAX. You can write DAX queries to extract data from both PowerPivot and SSAS Tabular models. This could be particularly useful in three scenarios: Reports in Reporting  Read more

This year is going to end, Maya failed their predictions and while this is bad for predictive industry, it’s also good for all of us! We’ve seen many news in Microsoft BI stack: Excel 2013 has been RTM’d – its General Availability is expected in early  Read more

The DATE function in DAX has this simple syntax: DATE( <year>, <month>, <day> ) If you are like me, you never read the BOL notes that says in a clear way that it supports dates beginning with March 1, 1900. In fact, I was wrongly assuming  Read more

I found an issue upgrading an Excel workbook containing PowerPivot data from Excel 2010 to Excel 2013. All CUBEMEMBER and CUBEVALUE functions point to a cube name that has been changed between the two version – you have to no longer reference the PowerPivot  Read more

I recently published a set of rules for DAX code formatting . The following is an example of what I obtain: CALCULATE ( SUMX ( Orders, Orders[Amount] ), FILTER ( ALL ( Customers ), CALCULATE ( COUNTROWS ( Sales ), ALL ( Calendar[Date] ) ) > 42 + 8  Read more

If you started using DAX as a query language, you might have encountered some performance issues by using SUMMARIZE. The problem is related to the calculation you put in the SUMMARIZE, by adding what are called extension columns , which compute their  Read more

The collaboration I and Alberto started with Project Botticelli is starting producing content. At this point we have three videos available: DAX in Action shows the power of DAX in PowerPivot solving common patterns not so easy or fast to solve in other  Read more

Are you waiting for a usable and interactive DAX editor? Are you tired of using the MDX editor provided by SSMS as a temporary solution to write and execute a DAX query? The wait is over! DAX Studio is a free Excel add-in that enables you to write a DAX  Read more

Many people are looking for books about Analysis Services Tabular. Today there are two books available and they complement each other: Microsoft SQL Server 2012 Analysis Services: The BISM Tabular Model by Marco Russo, Alberto Ferrari and Chris Webb Applied  Read more