March 2018
Beginner to intermediate
638 pages
16h 29m
English
Content preview from Mastering Microsoft Power BI
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Ambiguity
Data model relationships must result in a single, unambiguous filter path across the tables of the model. In other words, a filter applied to one table must follow a single path to filter another table—the filter context cannot branch off into multiple intermediate tables prior to filtering a final table. In the following screenshot from the Relationships View, only one of the two relationships to the Auto Accidents fact table is allowed to be active (solid line):
Ambiguous relationships avoided
When a filter is applied to the Auto Owners table, the inactive relationship between Insurance Polices and Auto Accidents provides a single, ...
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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.