Which of the following is a serious problem of file management systems?
A. difficult to update
B. lack of data independence
C. data redundancy
D. program dependence
E. All of the above
Answer: Option E
This Question Belongs to Computer Science >> Database Systems
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E. None of the above
Which of the following is not a logical data-base structure?
A. tree
B. relational
C. network
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A. database design
B. backing up the database
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A. Print
B. Sort
C. Look-up
D. All of the above
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