? 1) What is a Use Case Model? Review the following diagram: Use Case Diagram?(Links to an external site.) What infor
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1) What is a Use Case Model? Review the following diagram:
Use Case Diagram (Links to an external site.)
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?
2) In a minimum of 100 words, discuss what is the difference between the COUNT aggregate function and the SUM aggregate function? Give an example.
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