December 2018
Beginner to intermediate
794 pages
19h 29m
English
book
Microsoft Power BI Complete Reference
by Devin Knight, Brian Knight, Mitchell Pearson, Manuel Quintana
Content preview from Microsoft Power BI Complete Reference
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Measure support expressions
Large and complex Power BI datasets with many measures may have one or multiple measure support tables. As shown in the previous chapters, these hidden tables don't contain data and aren't refreshed with the dataset, but serve as the home table for commonly used DAX expressions. Unlike DAX variables, hidden DAX measure expressions are globally available to other DAX measures and queries. Measure support expressions, therefore, serve as a staging and consolidation layer to simplify DAX measures.
The measure support table may contain any of the following types of expressions:
- KPI targets
- Current and prior periods
- Filter context information
The two measures described in the Measure support logic section of Chapter ...
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O’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.
I 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.
I’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.
I'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.