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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

Exploring Power Query Editor

The aim of this recipe is to illustrate and describe the different sections of Power Query. The tool's design is studied to offer you an intuitive experience, and it is important to understand its logic to get the biggest benefit from it.

Getting ready

For this recipe, you need to have Power BI Desktop running on your machine.

How to do it…

Once you have opened Power BI Desktop, perform the following steps:

  1. Click on Transform data to open an empty Power Query interface:
    Figure 3.1 – Opening Power Query

    Figure 3.1 – Opening Power Query

  2. Click on Enter data and create a table by creating two columns, ID and Value, and by entering values, as shown in the following screenshot:

    Figure 3.2 – Entering data

  3. Click on OK.

    The idea is to have an example query to illustrate the different Power Query user interface (UI) sections because, in this way, you will have all the different buttons under each tab activated.

    It is possible to explore the Power...

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