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MIS 560 Database Management Systems- Discussion Forum (DQ) 1. What does it mean to say that a database displays both entity integrity and referential integrity?

MIS 560 Database Management Systems- Discussion Forum (DQ)

1. What does it mean to say that a database displays both entity integrity and referential integrity? Why are entity integrity and referential integrity important in a database?

2. What is a derived attribute? Give an example. What are the advantages or disadvantages of storing or not storing a derived attribute?

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