Question: A. Define entity in a database. Give an example of an entity. Define attribute. Give an example attribute for the entity in your earlier answer.

A. Define entity in a database. Give an example of an entity. Define attribute. Give an example attribute for the entity in your earlier answer.

B. Define relationship in a database. Give an example of a relationship and name it.

C. There exist a number of major advantages of a database system. What are two disadvantages?

D. Explain the terms data redundancy, data inconsistency and data isolation.

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