The top-down approach to data modeling derives the business rules for a data model from an intimate understanding of the nature of the business.
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Q8: Employee identification number,name,address,and skill are attributes.
Q9: The purpose of the conceptual data model
Q10: Processes,rather than data,are the most complex aspects
Q11: An order number is a good example
Q12: A faculty identification number can serve as
Q14: Book,supplier,and state are entity types.
Q15: The characteristics of data captured during data
Q16: A deliverable from conceptual data modeling is
Q17: The primary deliverable from the conceptual data
Q18: The bottom-up approach to data modeling derives
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