Power Query Cookbook: Use effective and powerful queries in Power BI Desktop and Dataflows to prepare and transform your data
Author
Publication
Packt Publishing
Power Query is a data preparation tool that enables data engineers and business users to connect, reshape, enrich, and transform their data to facilitate relevant business insights and analysis. With Power Query's wide range of features, you can perform no-code transformations and complex M code functions at the same time to get the most out of your data.
This Power Query book will help you to connect to data sources, achieve intuitive transformations, and get to grips with preparation practices. Starting with a general overview of Power Query and what it can do, the book advances to cover more complex topics such as M code and performance optimization. You'll learn how to extend these capabilities by gradually stepping away from the Power Query GUI and into the M programming language. Additionally, the book also shows you how to use Power Query Online within Power BI Dataflows.
By the end of the book, you'll be able to leverage your source data, understand your data better, and enrich it with a full stack of no-code and custom features that you'll learn to design by yourself for your business requirements.
Review
"The Power Query Cookbook is FIRE for anyone looking to learn more about working with data and Power BI. This book starts you off with the basics of Power Query but then works its way into advanced topics. Anyone working with Power BI should have a copy of this book on their bookshelf." Chris Wagner MBA, Microsoft MVP
About the Author
- Understand how to use Power Query to connect and explore data
- Explore ways to reshape and enrich data
- Discover the potential of Power Query across the Microsoft platform
- Build complex and custom transformations
- Use M code to write new queries against data sources
- Use the Power Query Online tool within Power BI Dataflows
- Implement best practices such as reusing dataflows, optimizing expanding table operations, and field mapping
This book is for data analysts, BI developers, data engineers, and anyone looking for a desk reference guide to learn how Power Query can be used with different Microsoft products to handle data of varying complexity. Beginner-level knowledge of Power BI and the M Language will help you to get the best out of this book.
- Getting Started with Power Query
- Connecting to Fetch Data
- Data Exploration in Power Query
- Reshaping Your Data
- Combining Queries for Efficiency
- Optimizing Power Query Performance
- Leveraging the M Language
- Adding Value to Your Data
- Performance Tuning with Power BI Dataflows
- Implementing Query Diagnostics
