We are still in the early days of DAX and even if I have been using it since 2 years ago, there is still a lot to learn on that. One of the topics that historically interests me (and many of the readers here, probably) is the many-to-many relationships  Read more

As you might have read in the previous post, May is a busy month for all the editions of the SSAS Tabular Workshop . We’ll start with an online edition next week in a time slot that should be good for US and other countries in that time zones. Then there  Read more

After the first two editions of the SSAS Tabular Workshop , I and Alberto had some time to flush some of the pending activities. We published two articles: Clever Hierarchy Handling in DAX : DAX is not a hierarchy-friendly language, especially if you  Read more

We finally have the registration website for the community event about Tabular in Analysis Services in Amsterdam on April 16 evening that I introduced in my previous post - don't miss it, the registration are open (and limited!) at: http://passnl-april2012.eventbrite.com/  Read more

Next week I will finally start the roadshow of the SSAS Tabular Workshop , a 2-day seminar about the new BISM Tabular model for Analysis Services that has been introduced in SQL Server 2012. During these roadshows, we always try to arrange some speeches  Read more

If you have a Slowly Changing Dimension (SCD) Type 2 for your customer and you want to calculate the number of distinct customers that bought a product, you cannot use the simple formula: Customers := DISTINCTCOUNT( FactTable[Customer Id] ) ) because  Read more

I, Alberto and Chris spent many months (many nights, holidays and also working days of the last months) writing the book we would have liked to read when we started working with Analysis Services Tabular. A book that explains how to use Tabular, how to  Read more

  In January I published an article about how to optimize high cardinality columns in VertiPaq . In the meantime, VertiPaq has been rebranded to xVelocity: the official name is now “xVelocity in-memory analytics engine (VertiPaq)” but using xVelocity  Read more

One week ago Microsoft SQL Server 2012 finally debuted with a virtual launch event and you can find many intro sessions there (20 minutes each). There is a lot of new content available if you want to learn more about SQL 2012 and in this blog post I’d  Read more

A few months ago I gave a speech at SQLBits 9 comparing Vertipaq vs. OLAP (you can watch session recording here ), which I repeated a few times in other conferences and webcasts. The title was intentionally provocative but it contained an explanation  Read more