23Compared to file systems, which of the following is not an advantage of database?
(A)
separation of data definition and the problem
(B) efficient access
(C) data integrity
(D) reduce
redundancy
(E) all the above are advantage.
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統計: A(0), B(0), C(0), D(0), E(1) #2788336
統計: A(0), B(0), C(0), D(0), E(1) #2788336