Discussion Post
• What is a Use Case Model? Review the following diagram: "Use Case Diagram"
What information can you obtain from the diagram? Be specific. What differences do you see between a business process model and a use case diagram?
• In a minimum of 100 words, discuss what is the difference between the COUNT aggregate function and the SUM aggregate function? Give an example.
The response must include a reference list. Using Times New Roman 12 pnt font, double-space, one-inch margins, and APA style of writing and citations.