Assume that you have to create a data model for a system that stores information
Assume that you have to create a data model for a system that stores information about cars and their owners. A
car has attributes such as its model, make, and year of manufacturing. The owner has attributes such as name and address. Assume that a car owner can own many cars, but a car can have only one owner. An owner has recently sold off a car and owns no car at this point in time. This information is also present in the system.
- Perform the following tasks:
1. Create an ERD for a system that stores information about the cars and owners. Perform the following steps:
| a. | Use Word to create an ERD that contains Car and Owner entities. | |
| b. | Add the details for Car and Owner entities. | |
| c. | Add the relationship between Car and Owner entities. |
2. Take a screen shot of the ERD diagram and paste it into a Word document as evidence of having completed this task. Label it correctly to avoid confusion.
3. Create a class diagram for the same system. Perform the following steps:
| a. | Run the Violet UML editor. | |
| b. | Select the Class Diagram option. | |
| c. | Select the Class Diagram Tool option from the Diagram Tool menu. | |
| d. | Click on the grid area to create a rectangle for a new class. | |
| e. | Create classes for the car and its owner. | |
| f. | Create subclasses of the Car class for SportsCar, Sedan, and Minivan. |
4. Take a screen shot of the UML class diagram and paste it into the Word document as evidence of having completed this task. Label it correctly to avoid confusion.
5. Write a paragraph of 150–200 words describing the features you liked and disliked in each diagram. State which diagram you prefer using and justify your preference.
6. Submit a 2- to 3-page document containing the screen shots of the ERD and the UML class diagram and a paragraph describing the features of each diagram that you liked and disliked, your preferred diagram, and the justification of your preference.
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