Alberto Ferrari's Blog
View full profileDAX in Action
I do not normally blog about my activity at conferences, courses and workshop, not because I don’t like these “marketing” topics, but only because I forget to do it. That said, sometimes I do some really exciting activities and, well, I need to share Read more
Clever Hierarchy Handling in DAX
Hierarchy handling in DAX is not very easy, due to the fact that hierarchies, unlike it was in MDX, are not first-class citizens in the DAX world. While hierarchies can be easily defined in the data model, there are no DAX functions that let you access, Read more
Speaking at Lisbon NetPonto UG on 02/13/2012
As you might (or not) know, I travel a lot for work and, when possible, I always try to speak at local user groups. It is fun and I always learn a lot by speaking with other professionals like me. Being in Lisbon next week, I’ll deliver a speech at Microsoft Read more
OT: A Good Reason to Attend #SQLBits
My 4yo son keeps asking me why I should leave home so often to attend SQL conferences around the world and today, after a couple of days of snow, he discovered a good reason, along with the best place for the SQLBits scarf. Read more
Circular Dependencies in DAX
What is a circular dependency? If A depends on B and B depends on A, then you have a circular dependency. As programmers, we know that they should be avoided to obtain a working system. All this looks fine but, when authoring a simple DAX formula containing Read more
SUM or SUMX? With Simple Intermediate Calculations SUMX Is The Way To Go
Data modeling in Tabular is different from Multidimensional. I spend much time teaching people that they need to change their mind when approaching the Vertipaq engine, because it is a different tool with different capabilities. Nevertheless, I still Read more
PASS Summit 2011: good time for a chat on DAX?
This year I and Marco Russo will host a Birds of a Feather lunch about “ DAX, Vertipaq and BISM Tabular ” during PASS Summit in Seattle. If you want to spend some time speaking about DAX, the new Vertipaq engine of just have a good chat in front of some Read more
Creating a copy of a BISM Tabular project
Using Visual Studio to author SSAS Multidimensional projects, I was used to copy the project, deploy it with another name and then proceed with updates, until I was satisfied with the final result. Then, working with the two projects side-by-side I could Read more
KEEPFILTERS: a new DAX feature to correctly compute over arbitrary shaped sets
Having read this question on the mdsn blogs , I investigated on the KEEPFILTERS function and, after having learned it, it is now time to write about it. Moreover, before start to write about it, I need to thank the dev team of SSAS and Marco Russo who Read more
Deep dive day on #DAX at #SQLBits
September 29th I and Marco Russo will be delivering a full day of deep dive into the DAX programming language, during the training days of SqlBits 9 . Later on, during the conference, I will deliver a session about many to many relationships in DAX, exploiting Read more