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Hands-On Business Intelligence with DAX

You're reading from   Hands-On Business Intelligence with DAX Discover the intricacies of this powerful query language to gain valuable insights from your data

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Product type Paperback
Published in Jan 2020
Publisher Packt
ISBN-13 9781838824303
Length 402 pages
Edition 1st Edition
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Author (1):
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Ian Horne Ian Horne
Author Profile Icon Ian Horne
Ian Horne
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Table of Contents (18) Chapters Close

Preface 1. Section 1: Introduction to DAX for the BI Pro
2. What is DAX? FREE CHAPTER 3. Using DAX Variables and Formatting 4. Building Data Models 5. Working with DAX in Power BI, Excel, and SSAS 6. Getting It into Context 7. Section 2: Understanding DAX Functions and Syntax
8. Progressive DAX Syntax and Functions 9. Table Functions 10. Date, Time, and Time Intelligence Functions 11. Filter Functions 12. Statistical Functions 13. Working with DAX Patterns 14. Section 3: Taking DAX to the Next Level
15. Optimizing Your Data Model 16. Optimizing Your DAX Queries 17. Other Books You May Enjoy

Summary

In this chapter, we learned about some of the techniques we can use to help us optimize our data models. We learned that reducing a data model's memory requirement is a major consideration in the overall design process.

We started off by learning about the VertiPaq compression engine. We looked at what it is and how it works, and why this knowledge is essential if we want to effectively optimize our data models. Next, we learned about data profiling, and how this can help us identify what data to include in a data model. This included a look at the data profiling capabilities of Power BI Desktop, along with some other tools that are available to help with this process.

We then learned about some of the ways we can simplify the structure of our data models looking at column cardinality, column storage, and identifying the correct columns to store. Finally, we looked...

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