What is a derived attribute? Give an example. What are the advantages or disadvantages of storing or
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What is a derived attribute? Give an example. What are the advantages or disadvantages of storing or not storing a derived attribute?
How is a relationship between entities indicated in an ERD? Give an example using the Crow’s Foot notation.
Related Book For
Modern Database Management
ISBN: 978-0133544619
12th edition
Authors: Jeff Hoffer, Ramesh Venkataraman, Heikki Topi
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