You're reading from Mastering Microsoft Power BI – Second Edition - Second Edition

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Published inJun 2022

PublisherPackt

ISBN-139781801811484

Edition2nd Edition

Concepts

Business Intelligence

Authors (2):

Gregory Deckler

Brett Powell

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Creating Power Query M queries

As mentioned, the M language is a functional programming language that includes over 700 functions. Similar to other programming languages, M has its own specific syntax, structure, operators, and data types that must be used when coding. Experienced Power Query (M) developers, for example, are very familiar with Lists, Records, and Tables and common use cases and M functions available for working with these specific types.

While a full exploration of the entire M language is beyond the scope of this book, there are a number of important subjects regarding M that we cover in the following sections as well as providing readers with examples of more complex M queries. For readers interested in fully understanding the M language, we refer them to the official Power Query M language specification found here: https://bit.ly/3vmFSyr.

We’ll first take a look at numeric data types in M.

Numeric data types

For structured data sources, such...

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Mastering Microsoft Power BI – Second Edition - Second Edition

Published in: Jun 2022Publisher: PacktISBN-13: 9781801811484

Authors (2)

Gregory Deckler

Greg Deckler is Vice President of the Microsoft Practice at Fusion Alliance and has been a professional technology systems consultant for over 25 years. Internationally recognized as an expert in Power BI, Greg Deckler is a Microsoft MVP for Data Platform and a superuser within the Power BI community with over 100,000 messages read, more than 11,000 replies, over 2,300 answers, and more than 75 entries in the Quick Measures Gallery. Greg founded the Columbus Azure ML and Power BI User Group (CAMLPUG) and presents at numerous conferences and events, including SQL Saturday, DogFood, and the Dynamic Communities User Group/Power Platform Summit.
Read more about Gregory Deckler

Brett Powell

Brett Powell is the owner of and business intelligence consultant at Frontline Analytics LLC, a data and analytics research and consulting firm and Microsoft Power BI partner. He has worked with Power BI technologies since they were first introduced as the PowerPivot add-in for Excel 2010 and has been a Power BI architect and lead BI consultant for organizations across the retail, manufacturing, and financial services industries. Additionally, Brett has led Boston's Power BI User Group, delivered presentations at technology events such as Power BI World Tour, and maintains the popular Insight Quest Microsoft BI blog.
Read more about Brett Powell

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You're reading from Mastering Microsoft Power BI – Second Edition - Second Edition

Creating Power Query M queries

Numeric data types

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Authors (2)

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