Marco Russo's Blog

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TechEd North America 2012–Day 2 #msTechEd #teched

This is the second day at TechEd North America 2012 and yesterday I had many conversations about PowerPivot and SSAS Tabular. In the evening the book signing at O’Reilley booth has been a big success! I’m writing this post from the speaker’s room. It’s  Read more

TechEd North America 2012 – Day 1 #msTechEd

Yesterday I and Alberto delivered the PreCon day about BISM Tabular in Analysis Services 2012. We received very good feedback and now I am looking forward to meet people that read our blogs and our books! Ping me on Twitter at @marcorus if you want to  Read more

Optimize Many-to-Many with SUMMARIZE and Other Techniques

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

SQLIO analysis on Excel charts

I tend to use twitter when I have to notify an interesting link or tool. But sometimes a blog post (even if short) is better, because allows me to easily find it on search engines (Bing/Google/whatever) months or years later. I know PInterest is growing  Read more

May Schedule of SSAS #Tabular Workshop for US & Europe

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

Distinct Count of Customers in a SCD Type 2 in #DAX

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