The Definitive Guide to Power Query (M). Mastering Complex Data Transformation with Power Query - Helion
Tytuł oryginału: The Definitive Guide to Power Query (M). Mastering Complex Data Transformation with Power Query
ISBN: 9781835086162
stron: 198, Format: ebook
Data wydania: 2023-12-01
Księgarnia: Helion
Cena książki: 134,10 zł (poprzednio: 149,00 zł)
Oszczędzasz: 10% (-14,90 zł)
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 explore implement advanced concepts and data transformations before going on a no-compromise ‘deep dive’ into the Power Query 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 enhance 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.
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Spis treści
The Definitive Guide to Power Query (M). Mastering complex data transformation with Power Query eBook -- spis treści
- 1. Introducing M
- 2. Working with Power Query/M
- 3. Accessing and Combining Data
- 4. Understanding Values and Expressions
- 5. Understanding Data Types
- 6. Structured Values
- 7. Conceptualizing M
- 8. Working with Nested Structures
- 9. Parameters and Custom Functions
- 10. Dealing with Dates, Times, and Durations
- 11. Comparers, Replacers, Combiners, and Splitters
- 12. Handling Errors and Debugging
- 13. Iteration and Recursion
- 14. Troublesome Data Patterns
- 15. Optimizing Performance
- 16. Enabling Extensions