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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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Toc

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

Authentication to data sources

Power Query provides different connector types to a wide range of data sources. These will be widely explained in the following chapter, but in this recipe, we will concentrate on how authentication works for data sources.

Each connector provides different kinds of authentication. There are six main types of authentication:

  • Anonymous
  • Windows
  • Basic
  • Organizational account
  • Microsoft account
  • Database

Depending on the type of connector and the Power Query version used, different combinations of these options will be available for the user.

Once you connect to your data source and you perform Power Query transformations, you will be able to change the type of authentication and the data source without losing the work you have done.

Getting ready

In this recipe, in order to test different types of connections, you need to have the following data sources to which you can connect:

  • An Azure SQL Database with...
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