Skip to Content
96 Common Challenges in Power Query: Practical Solutions for Mastering Data Transformation in Excel and Power BI
book

96 Common Challenges in Power Query: Practical Solutions for Mastering Data Transformation in Excel and Power BI

by Omid Motamedisedeh
June 2025
Intermediate to advanced
697 pages
15h 21m
English
Apress
Content preview from 96 Common Challenges in Power Query: Practical Solutions for Mastering Data Transformation in Excel and Power BI
© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2025
O. Motamedisedeh96 Common Challenges in Power Queryhttps://doi.org/10.1007/979-8-8688-1288-0_6

6. Grouping Rows with Table.Group()

Omid Motamedisedeh1  
(1)
Coorparoo, QLD, Australia
 

The Group By command in Power Query is a powerful feature that allows you to aggregate and summarize data by grouping it based on one or more columns. This command is based on the Table.Group() function, and it is essential for performing data analysis and creating meaningful summaries from large datasets. The syntax of Table.Group() is:

=Table.Group(table, key, aggregatedColumns, groupKind, optional comparer) as table

The table is the table, the key is any, aggregatedColumns is ...

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.

Read now

Unlock full access

More than 5,000 organizations count on O’Reilly

AirBnbBlueOriginElectronic ArtsHomeDepotNasdaqRakutenTata Consultancy Services
QuotationMarkO’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.
Julian F.
Head of Cybersecurity
QuotationMarkI wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.
Addison B.
Field Engineer
QuotationMarkI’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.
Amir M.
Data Platform Tech Lead
QuotationMarkI'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Mark W.
Embedded Software Engineer

You might also like

Data Analysis with Microsoft Power BI

Data Analysis with Microsoft Power BI

Brian Larson
Power Query for Power BI and Excel
The Ultimate Guide to Functions in Power Query: Turn Raw Data into Actionable Insights
Data Visualization with Microsoft Power BI

Data Visualization with Microsoft Power BI

Alex Kolokolov, Maxim Zelensky

Publisher Resources

ISBN: 9798868812880Purchase LinkPublisher Website