Discussion Post: ERD Model
• What is your understanding of Entity Integrity Vs Referential Integrity in ERD model. Illustrated with simple examples for ease of understanding of the concepts.
• Describe various types of keys in ERD model (Primary, Foreign, Superkey etc) with simple examples.
• Describe 3 entities and illustrate different types of joins using these 3 entities assume you have three entities student, course & enrollment and these tables are related.
The response must include a reference list. Using Times New Roman 12 pnt font, double-space, one-inch margins, and APA style of writing and citations.