This is the book which you should never purchase to start learning DAX. You should only purchase it to master it. This is one of the best books which I have read which gives you the inner working of how DAX formulas work so that you can create your own complex formulas to any scenario which you face. I would like to thank the authors who came up with this book and to explain the concepts in such a detail. I would request them to come up with the next version of the book as there has been a tremendous growth in DAX language which needs to be updated in the book. Thank you once again and thanks to Amazon for timely delivery 👍👍👍
The most exhaustive book for mastering DAX. Mind me, it is not for a casual excel user and one has to put in a lot of effort to understand DAX and practically implement the same. The book goes into deepest details of DAX and if you are able to grasp what's inside, you will be able to handle billions of rows of data and extract actionable insights from it in a matter of seconds. I've not even tested the full potential of DAX but my review says it all after completing a few initial chapters only. Go for it if you want to go the next level in analytics. Great work by Marco and Alberto and it's a must have reference book for DAX.
This book is unarguably an authoritative one on DAX. I tried almost all of of the books on DAX in the market. I had finished all of them still couldn't understand how DAX engine works inside. Mostly all of the PowerPivot authors swim around =CALCULATE(SUM(Sales),ProductColor="Red") or =COUNTROWS('Products') etc. Really this duo Alberto & Marco are DAX mavens completely enjoying their supremacy in this BI field.
Studying this book is not only enlightening but also you can enjoy the beauty of this language though it is a little tough to understand for an ExcelPro. The way they explain things are very lucid and straight. I've been studying, studying, studying this book for the last 12 months to trying to chew, understand everything about DAX..still miles to go. But one should be very patient when reading this since it is voluminous.
This book is not for everyone, that is why you see many negative comments in amazon.com. I highly recommend this book for any aspiring DAX expert. I also recommend other books before you touch this for obvious reasons.