How is a composite entity represented in an erd

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Reference no: EM131529039

Question: 1. Discuss two ways in which the 1:M relationship between COURSE and CLASS can be implemented. (Think about relationship strength.)

2. How is a composite entity represented in an ERD, and what is its function? Illustrate the Crow's Foot notation.

3. What three (often conflicting) database requirements must be addressed in database design?

Reference no: EM131529039

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