To compare and contrast a logical and a physical data flow diagram, what are the key differences?
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To compare and contrast a logical and a physical data flow diagram, what are the key differences?
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- Data modelling is most often accomplished through the use of a(an) ________________. a. entity-relationship diagram b. data-flow diagram c. functional decomposition diagram d. activity diagramWhat is the difference between a logical and physical data flow diagram?(What separates a logical data flow diagram from the physical data flow diagram, which is its physical counterpart?
