June 2009
Intermediate to advanced
444 pages
10h 33m
English
Content preview from Oracle Essbase 9 Implementation GuideBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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The Dimensional Data Model
The Dimensional Data Model is the data modeling methodology most commonly used in data warehousing systems. The Dimensional Data Model differs substantially from the Third Normal Form, more commonly used for transactional systems. As you can imagine, the same data would then be stored much differently in a dimensional model than in a 3NF model.
The Dimensional Data Model consists of Fact and Dimension tables. The Fact tables store the numerical values of the business unit and contain numerical or additive measures of the business like Gross Sales, Gross Units. The Fact table also contains columns which link to the Dimension table. The Dimension table stores the descriptive information about the dimension and some times ...
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