April 2017
Beginner to intermediate
256 pages
7h 54m
English
book
Analyzing Data with Power BI and Power Pivot for Excel, First Edition
by Alberto Ferrari, Marco Russo
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Chapter 9. Working with different granularity
We talked a lot about granularity in previous chapters, and you have seen how important it is to always have the data at the right granularity. But sometimes, data is stored in different fact tables at a different granularity, and the data model cannot be changed. For each table, the granularity is right. In that case, it might be painful to build calculations that use both tables.
In this chapter, we will perform a deeper analysis of how to handle different granularities, looking at different modeling options and a different kind of DAX code. All these models have one thing in common: Granularity cannot be fixed by changing the model. In most cases, the issue comes from having different levels of ...
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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.