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The Definitive Guide to Power Query (M)

You're reading from   The Definitive Guide to Power Query (M) Mastering complex data transformation with Power Query

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Product type Paperback
Published in Mar 2024
Publisher Packt
ISBN-13 9781835089729
Length 758 pages
Edition 1st Edition
Languages
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Authors (3):
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Greg Deckler Greg Deckler
Author Profile Icon Greg Deckler
Greg Deckler
Melissa de Korte Melissa de Korte
Author Profile Icon Melissa de Korte
Melissa de Korte
Rick de Groot Rick de Groot
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Rick de Groot
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Table of Contents (19) Chapters Close

Preface 1. Introducing M FREE CHAPTER 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 17. Other Books You May Enjoy
18. Index

Structured Values

In this chapter, we focus on an important concept in the Power Query M language: structured values. Whereas we introduced both values and data types in Chapters 4 and 5, structured values are more complex and require additional attention. Unlike simple or primitive values, they can include multiple other values within them. This complexity allows them to hold a range of primitive values, or even other structured values, opening up a wide range of possibilities for data manipulation and analysis.

The importance of structured values within the M language is such that we’re dedicating an entire chapter to them. The constructs you will learn not only contribute to more efficient and effective code, but also form the backbone of many operations within the M language.

This chapter covers the following topics:

  • Introducing structured values
  • Lists
  • Records
  • Tables

In each section, we will provide a clear explanation of the...

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