July 2010
Intermediate to advanced
510 pages
17h 15m
English
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CHAPTER 4A Fact Table for Each Process
It is rare to find a subject area that can be fully described by a single fact table. It is impossible to find an enterprise that can be covered by a single fact table. In almost every practical application, multiple fact tables will be necessary.
As a general rule of thumb, dimensional designs include a single fact table for each process to be studied. This allows each process to be analyzed individually, without undue complications that result from designs where a single fact table covers multiple processes. This chapter presents techniques you can use to determine when you are dealing with multiple processes, and explains the implications of not describing them in separate fact tables.
While analysis ...
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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.