Advantages of data base system is (are)

1.	Advantages of data base system is (are)
A.	storage space duplication is eliminated
B.	all applications share centralized files
C.	data are stored once in the data base and are easily accessible when needed
D.	All of the above
E.	None of the above
Answer» E. None of the above

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Advantages of data base system is (are)

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