April 2009
Beginner
448 pages
14h 1m
English
You use your BI system to perform multidimensional data analysis. Don’t let this term intimidate you. You most likely have already been performing multidimensional data analysis for some time. If you’ve ever read a report that shows numerical data by various attributes—for example, completed surveys by customer segment by month—you have performed multidimensional data analysis. In this case, customer segment and month are the dimensions you are using to analyze survey data.
In this section, you will learn about multidimensional data analysis concepts such as attributes, hierarchies, and dimensions. This will prepare you for Chapter 2, in which you will learn about multidimensional OLAP databases and the particular ...