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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Modeling OLAP Source Schemas—Stars
Learning about OLAP modeling always starts with a thorough review of the “classic” OLAP source model: the star schema. The next section reviews the concepts behind star schema modeling in detail.
Before we start however, let's take a minute to discuss an even more fundamental idea for your BI project. Is a star schema strictly required? The technical answer to this question is “no” because Microsoft purposely does not require you to base OLAP cubes off of only data that is in a star schema format. In other words, you can create cubes based off of OLTP (or normalized relational data).
However, and this is a big however, it is critical for you to understand star schema modeling and to attempt to provide SSAS with ...
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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.