1 What is modeling? Why is data modeling essential to database design and development? 

2 Describe the specific steps you must perform when constructing a data model. As an example, suppose you are helping UMGC to design a database to store student course enrollment information. Start with identifying main functional requirements and then provide some simple but concrete business rules description. 

3 Model the requirements and rules by creating an ERD using tools such as ER Assistant. This is just a beginning session and we will cover more about database design and ERD in later sessions, so just try and don't be afraid if the diagram is not perfect.

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1 Modeling in the context of database design refers to the process of creating a visual representation of the data and its relationships within a data... View the full answer