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Business Model & Mapping Layer

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Business Model & Mapping Layer: 1. The business model defines the LOGICAL MODEL of DATA and spedifies the MAPPPING between BUSINESS MODEL and PHYSICAL LAYER Schema. 2. The BUSINESS MODEL contain 1/more business model OBJECTS. The OBJECT contains the BUSINESS MODEL DEFINATIONS and MAPPINGS from LOGICAL to PHYSICAL tables. 3. The main PURPOSE of business model is to CAPTURE how USER THINK ABOUT THEIR BUSINESS USING OWN VOCABULARY. 4. Most VOCABULORY translates into LOGICAL COLUMNS. Collections of logical columns from Logical tables. 5. Each logical column can have one or more physical obje ...
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