Problem
1. Name the three stages in the process of developing database systems. Summarize the tasks in each.
2. What is a data model, and what is its purpose?
3. What is a prototype, and what is its purpose?
4. What is a use case, and what is its purpose?
The response should include a reference list. Double-space, using Times New Roman 12 pnt font, one-inch margins, and APA style of writing and citations.