Which of the following is a true statement regarding data flows?
A) A data flow may have multiple directions between symbols.
B) A data flow to a data store means retrieve or use.
C) A data flow from a data store means update.
D) A join in a data flow means that exactly the same data comes from any of two or more different processes,data stores,or sources/sinks to a common location.
Correct Answer:
Verified
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