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1. Visit a commercial Web site (e.g., CDnow, Amazon. com). If files were being used to store the data supporting the application, what types of files would be needed? What data would they contain?
2. Using the Web, review one of the products listed at the end of this exercise. What are the main features and functions of the software? In what companies has the database management system (DBMS) been implemented, and for what purposes? According to the information that you found, what are three strengths and weaknesses of the product?
• Relational DBMS
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