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DB- week4

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An organization has several operational systems: Customer Relationship Management (CRM) for marketing and sales, Enterprise Resource Planning (ERP), and Supply Chain Management (SCM). They also have external customer data. A wide variety of departments utilize this data: sales, marketing, procurement, human resources, R&D, and senior management.

 Design a high-level conceptual view of a data warehouse using Microsoft® Visio® that shows the following:

  • Integration layers
  • The data warehouse
  • Recommended data marts 

Include arrows to show ETL (extract, transform, and load) locations and direction. 

 
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