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This section is part of the roadmap for planning and setting up a repository. For more information, see Planning and Creating a Siebel Business Analytics Repository.
After creating all of the elements of the Physical layer, you can drag tables or columns in the Physical layer to the Business Model and Mapping layer. For more information, see Creating and Administering the Physical Layer in a Repository and Creating the Business Model Layer for a Multidimensional Data Source.
The Business Model and Mapping layer of the Administration Tool defines the business, or logical, model of the data and specifies the mapping between the business model and the physical layer schemas.
You create one or more business models in the logical layer and create logical tables and columns in each business model. To automatically map objects in the Business Model and Mapping layer to sources in the Physical layer, you can drag and drop Physical layer objects to a business model in the logical layer. When you drag a physical table to the Business Model and Mapping layer, a corresponding logical table is created. For each physical column in the table, a corresponding logical column is created. If you drag multiple tables at once, a logical join is created for each physical join, but only the first time the tables are dragged onto a new business model.
Setting up the Business Model and Mapping (logical) layer for multidimensional data sources is similar to setting up the logical layer for a relational data source. To create the business model layer, you can drag and drop the physical layer cube to the logical layer. However, because the contents of the physical cube are added as one logical table, you still have to reorganize the columns into appropriate logical tables and recreate the hierarchies.
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