Define what is meant by a data flow in a process model. How should a data flow be named? What information about a data flow should be stored in the CASE repository?
Answer to relevant QuestionsDefine what is meant by a data store in a process model. How should a data store be named? What information about a data store should be stored in the CASE repository?Discuss how the analyst knows how to stop decomposing the process model into more and more levels of detail.What is meant by a DFD semantic error? Provide an example.Draw a level 0 data flow diagram (DFD) for the video store system in Exercise F, Chapter 4.Locate the independent entities on Figure. How do you know which of the entities are independent? Locate the nonidentifying relationships. How did you find them? Can you create a rule that describes the association between ...
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