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Oracle Business Intelligence 11g R1 Cookbook by Cuneyt Yilmaz

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Best practices of the Business Model and Mapping layer

The Business Model and Mapping layer is responsible for the business rules and it depends on the Physical layer objects. The BI server is going to generate SQL statements based on the BMM layer objects. Obviously, the objects defined in this layer may positively improve the performance. We have to design all the BMM layer objects carefully. Here are the some types of the objects that are used in this layer:

  • Logical dimension tables
  • Logical fact tables
  • Logical table sources
  • Logical dimensions
  • Calculated measure columns

How to do it...

  1. Although the BMM layer objects are transparent to the end users, one should create logical dimension and fact tables with meaningful names and use prefixes to distinguish ...

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