Draw a level 0 data flow diagram (DFD) for the university library system in Exercise J, Chapter 4.
Answer to relevant QuestionsThe Hatcher Company is in the process of developing a new inventory management system. One of the event handling processes in that system is Receive Supplier Shipments. The (inexperienced) systems analyst on the project has ...Locate the dependent entities on Figure. Locate the identifying relationships. How did you find them? Can you create a rule that describes the association between dependent entities and identifyingrelationships?What type of high-level business rule can be stated by an ERD? Give two examples.What is an independent entity? What is a dependent entity? How are the two types of entities differentiated on the data model? Draw a data model for the following entities, considering the entities as representing a system for a patient billing system and including only the attributes that would be appropriate for this context:• Patient (age, ...
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