Question: Discuss the importance of data modeling
Discuss the importance of data modeling.
Answer to relevant QuestionsWhat is a business rule, and what is its purpose in data modeling?What is a table, and what role does it play in the relational model?What is logical independence?Using the ERD you drew in Problem 2 create the equivalent Object representation and UML class diagram.Create a Crow’s Foot ERD for each of the following descriptions. (Note: The word many merely means “more than one” in the database modeling environment.)a. Each of the MegaCo Corporation’s divisions is composed of ...
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