How are entities from the ERD represented on a DFD? How are relationships from the ERD represented on a DFD?
Answer to relevant QuestionsWhat features may be present on a physical DFD that should never be present on a logical DFD?What is an activity-data matrix? How is it related to DFDs and the ERD?Get a copy of your school transcript. Write a data definition that describes its contents. Write data element definitions for the fields Grade, Credits, and Degree.What are the two basic parts of the domain model? What is its purpose or objective?List the elements that make up a transition description. Which elements are optional?
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