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Power Query Cookbook

You're reading from   Power Query Cookbook Use effective and powerful queries in Power BI Desktop and Dataflows to prepare and transform your data

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Product type Paperback
Published in Oct 2021
Publisher Packt
ISBN-13 9781800569485
Length 412 pages
Edition 1st Edition
Languages
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Author (1):
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Andrea Janicijevic Andrea Janicijevic
Author Profile Icon Andrea Janicijevic
Andrea Janicijevic
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Table of Contents (12) Chapters Close

Preface 1. Chapter 1: Getting Started with Power Query 2. Chapter 2: Connecting to Fetch Data FREE CHAPTER 3. Chapter 3: Data Exploration in Power Query 4. Chapter 4: Reshaping Your Data 5. Chapter 5: Combining Queries for Efficiency 6. Chapter 6: Optimizing Power Query Performance 7. Chapter 7: Leveraging the M Language 8. Chapter 8: Adding Value to Your Data 9. Chapter 9: Performance Tuning with Power BI Dataflows 10. Chapter 10: Implementing Query Diagnostics 11. Other Books You May Enjoy

Chapter 10: Implementing Query Diagnostics

Every transformation and data preparation step that you do has an impact on your performance when you develop Power Query transformations. You can analyze and test your queries to observe the consequences while refreshing your data and iteratively applying Power Query steps in Power BI Desktop.

In this chapter, we will see how to best use a built-in feature called Query Diagnostics, in order to easily retrieve relevant data on Power Query performance. In particular, we will go through the following recipes:

  • Exploring diagnostics options
  • Managing a diagnostics session
  • Designing a report with diagnostics results
  • Using Diagnose as a Power Query step
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