1. What is your understanding of Entity Integrity Vs Referential Integrity. Illustrated with simple examples for ease of understanding of the concepts.

2. From your reading of the text, describe various types of keys (Primary, Foreign, Superkey etc) with simple examples.

3. Think about what you plan to do for your lab project. Based upon your lab project describe 3 entities and illustrate different types of joins using these 3 entities. If you have not yet decided about your lab project then assume you have three entities student, course & enrollment and these tables are related.

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