Question: 1 . Discuss the importance of data models. 2 . What is a business rule, and what is its purpose in data modeling? 3 .

1. Discuss the importance of data models.
2. What is a business rule, and what is its purpose in data modeling?
3. Describe the basic features of the relational data model and discuss their importance to the end user and the designer.
4. Explain how the entity relationship (ER) model helped produce a more structured relational database design environment.
5. Describe the Big Data phenomenon.
6. What does the term 3 Vs refer to?

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