Search icon
Arrow left icon
All Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Newsletters
Free Learning
Arrow right icon
The Definitive Guide to Power Query (M)

You're reading from  The Definitive Guide to Power Query (M)

Product type Book
Published in Mar 2024
Publisher Packt
ISBN-13 9781835089729
Pages 758 pages
Edition 1st Edition
Languages
Authors (3):
Gregory Deckler Gregory Deckler
Profile icon Gregory Deckler
Rick de Groot Rick de Groot
Profile icon Rick de Groot
Melissa de Korte Melissa de Korte
Profile icon Melissa de Korte
View More author details

Table of Contents (19) Chapters

Preface 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 Other Books You May Enjoy
Index

Working with mixed structures

This section focuses on structured values that contain structures of a different type. Although a wide range of scenarios is possible, we cannot possibly illustrate them all; however, this section should provide enough insight into how to tackle the most common challenges you are likely to encounter.

Lists of tables, lists, or records

As demonstrated earlier, handling a list of items that share a consistent structure and are grouped together can easily be managed and converted to a table. This approach is incredibly powerful and applies equally to working with a single column in a table or converting lists in every table row in a table to reshape the data.

Let’s explore the first scenario, dealing with columns that contain structured values. Imagine a table organized in the following manner:

  • Table values
  • List of lists, where each inner list represents column values
  • List of lists, where each inner list represents...
lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at $15.99/month. Cancel anytime}