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Extreme DAX

Extreme DAX

By : Michiel Rozema, Henk Vlootman
4.9 (44)
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Extreme DAX

Extreme DAX

4.9 (44)
By: Michiel Rozema, Henk Vlootman

Overview of this book

This book helps business analysts generate powerful and sophisticated analyses from their data using DAX and get the most out of Microsoft Business Intelligence tools. Extreme DAX will first teach you the principles of business intelligence, good model design, and how DAX fits into it all. Then, you’ll launch into detailed examples of DAX in real-world business scenarios such as inventory calculations, forecasting, intercompany business, and data security. At each step, senior DAX experts will walk you through the subtleties involved in working with Power BI models and common mistakes to look out for as you build advanced data aggregations. You’ll deepen your understanding of DAX functions, filters, and measures, and how and when they can be used to derive effective insights. You’ll also be provided with PBIX files for each chapter, so that you can follow along and explore in your own time.
Table of Contents (17 chapters)
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Free Chapter
1
Part I: Introduction
6
Part II: Business cases
15
Other Books You May Enjoy
16
Index

Model Design

Being effective with DAX starts with designing a good analysis model. In this chapter, we address a number of modeling-related topics that are important to understand for strong model designs.

The topics in this chapter include:

  • The way the Power BI engine stores data
  • Choosing the right data types
  • Relationships
  • What structure to strive for in your models

To achieve good models, you will need to adapt to the appropriate way of thinking. This is a change needed both when you start working with Power BI coming from a background in Excel, and when you have a background in relational databases. When you are used to working in Excel, the concept of relationships in an analysis model specifically takes time to comprehend; but even when you have a database background, there are many things that are different as well. One of the difficulties in designing for Power BI is that the concepts seem familiar to database professionals, when in...

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