The Definitive Guide to Power Query (M)
The Definitive Guide to Power Query (M)
Mastering complex data transformation with Power Query
About the Book
Data transformation is a critical step in building data models and business intelligence reports. Power Query is an invaluable tool for anyone who wants to master data transformation, and this book will equip you with the knowledge and skills to make the most of it.
The Definitive Guide to Power Query (M) will help you build a solid foundation in the Power Query M language. As you progress through the chapters, you'll learn how to use that knowledge to implement advanced concepts and data transformations. This will set the stage for an uncompromisingly thorough exploration of the Power Query M Language.
You'll also get to grips with optimizing performance, handling errors, and implementing efficient data processing techniques. As this is a hands-on guide, the practical examples in the chapters will help you gain the skills to apply Power Query to real-world problems and improve your data analysis capabilities.
By the end of this book, you will be able to leverage all of Power Query's remarkable capabilities for data transformation.
Table of Contents
- Introducing M
- Working with Power Query/M
- Accessing and Combining Data
- Understanding Values and Expressions
- Understanding Data Types
- Structured Values
- Conceptualizing M
- Working with Nested Structures
- Parameters and Custom Functions
- Dealing with Dates, Times, and Durations
- Comparers, Replacers, Combiners, and Splitters
- Handling Errors and Debugging
- Iteration and Recursion
- Troublesome Data Patterns
- Optimizing Performance
- Enabling Extensions
About the Publisher
This book is published on Leanpub by Packt Publishing Ltd
Packt Publishing are an established global technical learning content provider, founded in Birmingham, UK with over twenty years’ experience in delivering premium rich content from ground-breaking authors on a wide range of emerging and popular technologies. Our titles have global relevance our multimedia portfolio includes over 9,000 books, e-books, audiobooks and video courses. www.packtpub.com
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