Discuss the differences between data stores on a DFD and an entity-relationship diagram for the same information

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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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Managing Information Technology

ISBN: 978-0132146326

7th Edition

Authors: Carol Brown, Daniel DeHayes, Jeffrey Hoffer, Wainright Marti

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Question Posted: Sep 28, 2012 03:08 AM

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Discuss the differences between data stores on a DFD and an entity-relationship diagram for the same information

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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 the full answer

Managing Information Technology

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