Skip to Content
Microsoft Power BI Complete Reference
book

Microsoft Power BI Complete Reference

by Devin Knight, Brian Knight, Mitchell Pearson, Manuel Quintana
December 2018
Beginner to intermediate
794 pages
19h 29m
English
Packt Publishing
Content preview from Microsoft Power BI Complete Reference

Derived column data types

The final parameter to the Table.AddColumn() function is optional but should be specified to define the data type of the new column. In the customer history column example, the new column is defined as a text data type. If a whole number column was created, an Int64.Type would be specified, such as the following example:

MyNewColumn = Table.AddColumn(Product, "My Column", each 5, Int64.Type)

If the data type of the column is not defined in the Table.AddColumn() function or later in the query via the Table.TransformColumnTypes() function, the new column will be set as an Any data type, as shown in the following screenshot:

Data Type of Any

Columns of the Any data type will be loaded to the data model as a text data ...

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

Microsoft Power BI Quick Start Guide

Microsoft Power BI Quick Start Guide

Devin Knight, Brian Knight, Mitchell Pearson, Manuel Quintana
Introducing Microsoft Power BI

Introducing Microsoft Power BI

Alberto Ferrari, Marco Russo

Publisher Resources

ISBN: 9781789950045OtherPurchase LinkErrata Page