“Data flow diagrams and systems flowcharts provide redundant pictures of an information system (or business process). We don’t need both.” Discuss fully.
Answer to relevant Questions“It is easier to learn to prepare data flow diagrams, which use only a few symbols, than it is to learn to prepare systems flowcharts, which use a number of different symbols.” Discuss fully.“If we document a system with a system flowchart and data flow diagrams, we have over-documented the system.” Discuss fully.Construct a systems flowchart based on the narrative and the output from Short Problems 4- 1 through 4- 3. Use Microsoft Visio or other diagram-ing software.Construct a systems flowchart based on the narrative and the output from Problems 4- 4 through 4- 6. Use Microsoft Visio or other diagramming software.What problems are solved by transforming a set of relational tables from second normal form (2NF) to third normal form (3NF)?
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