Free download скачать The Definitive Guide to Power Query (M)
by Gregory Deckler, Rick de Groot, Melissa de Korte
English | 2024 | ISBN: 1835089720 | 759 pages | True/Retail PDF EPUB | 93.74 MB
Learn how to use the Power Query M formula language and its functions effectively for better data modeling and impactful business intelligence reports.
Purchase of the print or Kindle book includes a free PDF eBook
Key Features
Get comprehensive coverage of fundamental and advanced Power Query concepts
Gain hands-on experience with practical examples based on real-world problems
Delve into the intricacies of Power Query M language for enhanced data manipulation
Book Description
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 before going on a no-compromise 'deep dive' into 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
What you will learn
Gain a strong understanding of Power query fundamentals
Master various functions within Power Query to perform complex data operations
Acquire knowledge about values, types, and control structures in Power Query
Develop proficiency in error handling techniques
Learn performance optimization strategies for Power Query
Apply what you've learned to real-world scenarios, including common troublesome patterns
Who this book is for
This book is for business analysts, business intelligence professionals, and power business users working with data who want to add Power Query mastery to their resume. This book will be beneficial for anyone who wants to automate their process of data cleaning and save huge amount of time. Having some basic experience in Power Query is recommended.
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
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