It476 week 2 | Computer Science homework help

Week 2: Discussion 

After you review Chapter 2 in your textbook and review all course materials in Module 2, please answer the following two questions:

After reading chapter 2 of the book and going through the slides of week 2, answer the following questions:

1A)- What is a relational Model?
1B) – Define entity, attribute, relationship, and constraints in an ERD (Entity Relationship Diagram).

2- What is a Primary Key?


You are required to make at least two comments on the responses posted by you classmates with a minimum of 50 words. 

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