April 2011
Beginner to intermediate
443 pages
11h
English
book
Foundations of SQL Server 2008 R2 Business Intelligence, Second Edition
by Lynn Langit, Guy Fouché
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Summary
This chapter covered the basic modeling concepts and techniques for cubes in a BI project. You saw how grain statements can be used for a high-level validation of your modeling work. You learned how best to determine what types of dimensions (fixed, SCD, or RCD) and facts (stored, calculated, or derived) will be the basis for your cubes. We also discussed the concept of hierarchies of dimensional information. If you are new to BI, you've got some “unlearning” to do. OLAP modeling is very dissimilar to OLTP modeling, mostly because of the all-prevalent concept in OLAP of deliberate denormalization.
In the next chapter, we'll introduce you to OLAP modeling with SSAS. In addition, you will discover more about measures and dimensions. Finally, ...
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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.