Draw a level 0 data flow diagram (DFD) for the Of-the-Month Club system in Exercise I, Chapter 4.
Answer to relevant QuestionsDraw a level 0 data flow diagram (DFD) for the university library system in Exercise J, 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 ...What is the purpose of developing an identifier for an entity?What are metadata? Why are they important to system developers? Draw data models for the following entities:• Movie (title, producer, length, director, genre)• Ticket (price, adult or child, show-time, movie)• Patron (name, adult or child, age)
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