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A**.
Excellent Book
This book is really helpful in breaking down the complexity of each function into clear explanations & examples. Thank you so much for the authors. I'm really happy with my purchase
R**F
Amazing Book
I have been reading this book for 5 months. I am not finished. I spend a half hour every day. Marco Russo and Alberto Ferrari are teachers and very good ones. There is so much effort put into this book it feels like they actually care about you and your DAX journey. I have gotten so much out of this book. Though I can't say that I truly understand it. Yet I see that my DAX has improved quite a bit. With many mysteries still remaining. I am just an average person trying to be a bit above average and I thank the authors for helping me in my quest. I highly recommend this book. Though if I were starting off from scratch I would read Matt Allington's book Supercharge Power BI and possibly Power Pivot and Power BI by Rob Collie and Avichal Singh though that book is a bit older. In summation: my lack of understanding is my issue, the book itself is extremely comprehensive and well written. So I will continue on my DAX journey and hopefully will continue to improve as I make my way through the final 3rd of the book.
S**S
Excellent Resource!
I love this book! The authors know their audience. It's written in such a way that the reader feels as though they're being taught by instructors. They give helpful learning tips along the way and know when a certain topic is especially difficult. For example, at the end of a certain arduous chapter, the conclusion starts, "In this final section of a long and difficult chapter..."Upon completion, it is easy to go back and use as a guide for specific topics as they arise.
A**R
Damaged binding
Great book content-wise, but I bought it new and the binding is damaged, corners are bent, and some pages are creased. Should have just purchased a used copy.
A**S
The most holy text of the DAX religion...
Reading this book makes me realize how little I know about the things I thought I knew. I've been writing DAX for years, having started with PowerPivot (no spaces in the name, that's how old) for Excel 2010, and in my job I still find new, interesting problems to solve. This book is an amazing reference for anyone interested in pushing the calculation envelope in DAX and their models. I've built models spanning billions of records with the expert guidance this book provides.I would almost consider this a holy book of the DAX religion. If you ever wanted someone to explain why god created CALCULATE() and how we should observe it daily in our lives, this is the book, and the Italians preach adeptly. I'm a big believer, and you will be too.
S**O
Now I really know what's happening under the hood
This was a really important book for my understanding of Dax formulas. I watched a lot of videos online, and forums can often give you formulas that will solve your problem but I never fully understood what was happening.I feel very confident now after reading this book. I can visualize what is happening with my model and it has made writing Dax much easier. I'm not saying that I'm an expert or that it's easy now, but I know how it works and the functions that are available to me. If you really want to know what's happening, this is the book for you.
R**A
excellent learning material for Dax developers
I highly recommend this book for those who want to improve power bi skills and go deeper in DAX language
1**T
Incredible resource with excellent presentation
From start to finish, the book is masterfully written. Careful consideration was applied when evaluating the depth and breadth of topics to add to each chapter. Topics and concepts build upon one another in a very seamless manner without overwhelming new users all at once. The examples provided to present concepts are also excellent. These authors are the de facto experts on DAX, for sure.
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