good

Great course, brilliantly presented. Certain I will go through from the beginning again to make sure I pick up all of the insights it delivers.

Fully satisfied ;-)

You can't take this course, do all the exercises, and not come away with a much higher understanding of DAX. The last 'Relationships at different granularities' module is an excellent capstone to all the learning. I personally benefited from a much better understanding of TREATAS, CROSSFILTER, ALLSELECTED, and DAX Studio / querying using the SUMMARIZE-type functions. The only thing I would say is that I would probably still not recommend this material to someone who hasn't touched DAX before (e.g. to a person completely new to Power BI who has to learn DAX as well), but that doesn't reduce the overall 5-star rating for me.

Congratulations Alberto and Marco. This course is very well structure, very complete and effective. It help me a lot. With this course I could understand things that were not totally clear, after the read of your book “The Definitive Guide to DAX” .

Mastering DAX is nearly perfect and absolutely essential to understanding DAX. I have not found this level of detail presented so clearly and concisely elsewhere. The 2nd Edition is a great improvement over an already great course. There are many examples of mistakes that you might make. Approaches to each problem are compared and contrasted. This course uses lots of guided critical thinking, which helps you understand the material, not just know it. Every Excel and Power BI developer must take this course to be able to handle large or complex data sets, otherwise you will waste lots of time coming up with poor solutions. I recommend that you watch the videos at double speed to get more ideas in your head faster and make more connections between ideas, otherwise each individual idea might come and go.

Marco and Alberto have provided tremendous insight into the internal workings of the DAX language in a consumable and powerful course. After taking this course I feel fully equipped to face situations with a stronger understanding of the underlying concepts related to the DAX functions and capabilities. Thanks SQL BI!

Perfect course. can't wait for the next ssas training ! thanks guys for your efforts

Thank you very much for the Course! It's Great! Labs was interesting and difficult for me. Now I need more practice after it. I think that at this moment I understand more about filter and row context, propagation, date lineage, filtering, querying, relationships. Waiting your new book "The Definitive Guide to DAX" second edition. Thank you again!

thank you very much! very detailed and helpful!

Generally, I think that the course is good. It could be improved to be excellent by adding more detail in the exercises and their solutions. For example, although most tables and pivot tables are obvious to set up, some are not. So, clear descriptions of which fields to use for the rows, columns, and values would improve the courses. In addition, explanations, perhaps in the form of comments in the DAX code, describing the rationale and logic for the solutions would be good (e.g. why something had to be done a specific way).

• – Thanks for the feedback. In a few weeks we'll release a new version of this video course (and you will get automatic access, of course), which will include a brand new set of exercises. We considered all the feedbacks we received and while we are not able to satisfy all the requests, I hope that you will enjoy the new format.
  Reply by SQLBI (Apr 8, 2019)

This course teaches DAX by a theoretical and a practical point of view, clarifying DAX inner working aspects, when needed to understand its behaviour. The teachers' exposition is very clear and their knowledge of the subject is astounding.

Excellent course! Great balance between theory and practise. The only thing I found hard was to compare my own solution (if different from the given anwer) to yours. I assume my solution would be less good but why? And how would it compare in terms of performance. Perhaps providing different solution would be helpful in that case.

Excellent Course, I have been using Power BI for a few years now and wish I had taken this course from the beginning.... "Would have saved me many sleepless nights"

This exceptional course provides 10 hours of high quality video tutorials. All the concepts of DAX are explained in detail and in a comprehensible and pleasant way. To sum it up: This course the way to go if you want to become a DAX master. Thank you very much for creating such great content! The only point that could be improved in my opinion: Provide more exercises. The contained labs are very good and I think working through them helps the most to really learn the DAX language. But there are so many functions introduced in the course that are not used in the labs. Having a larger set of exercises (including the solutions) would help to dive even deeper in the DAX world. Apart from that: GREAT WORK!