Question: Discuss the differences between data stores on a DFD and an entity-relationship diagram for the same information system application. What purpose does each serve? What

Discuss the differences between data stores on a DFD and an entity-relationship diagram for the same information system application. What purpose does each serve? What does each explain or show that the other does not?

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A data store shows data at rest as part of a description of a process which stores and uses data an ... View full answer

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