database entities

/in /by

Use APA format and include at least 2 references

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

2. Describe various types of keys (Primary, Foreign, Superkey etc) with simple examples.

3. Use these entities and illustrate different types of joins . ( student, course & enrollment and these tables are related.)

 
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