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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 the Query Dependencies view

Once you become confident using Power Query, you can start adding a higher number of queries, combining them, and applying complex transformation logic. You can often get lost in terms of how queries were built and merged and you may need a view that allows you to map data sources and queries. In this recipe, we will see how the Query Dependencies view will allow us to quickly see what is going on in that Power Query session.

Getting ready

In this recipe, you will need to connect to Azure SQL Database with AdventureWorks data. You need to have access to a running database.

How to do it…

Once you open Power BI Desktop, perform the following steps:

  1. Go to Get data, click on More…, and browse for Azure SQL database:
    Figure 5.34 – Azure SQL database

    Figure 5.34 – Azure SQL database

  2. Enter the server name of your Azure SQL database:
    Figure 5.35 – SQL Server information

    Figure 5.35 – SQL Server information

  3. Enter authentication details:

    Figure 5.36 – Azure SQL database...

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