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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

Using M on existing queries

In the previous recipes, you saw how to change and edit steps by simply opening the Advanced Editor and modifying data types without adding additional steps or changing data sources, without the need of performing steps from scratch. In this recipe, we will see additional possibilities of how to use M code on existing queries and with few steps.

Getting ready

In this recipe, you need to connect to the Azure SQL Database that you can recreate in your environment with the Adventureworks.bacpac file.

How to do it…

Once you open your Power BI Desktop application, you are ready to perform the following steps:

  1. Click on Get Data and click on More…:
    Figure 7.21 – Power BI connectors

    Figure 7.21 – Power BI connectors

  2. Browse to the Azure SQL database connector, select it, and click on Connect:

    Figure 7.22 – Azure SQL database connector

  3. Enter your server and database information, flag Import as Data Connectivity mode, and then click on OK:

    Figure...

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