Draw a level 0 data flow diagram (DFD) for the university system in Exercise D, Chapter 4.
Answer to relevant QuestionsDraw a level 0 data flow diagram (DFD) for the real estate system in Exercise E, Chapter 4.Draw a level 0 data flow diagram (DFD) for the university library system in Exercise J, Chapter 4.Resolve the M:N relationship between the sale and available tune that is shown in Figure 6-14. What kinds of information could you capture about this relationship? What would the new ERD look like? Would the intersection ...Define what is meant by an attribute in a data model. How should an attribute be named? What information about an attribute should be stored in the CASE repository?Describe the three-step process of creating an intersection entity.
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