Computer Science - Database Systems - Discussion


To have a file hold a list, it is necessary to

[A]. identify the records in the list
[B]. identify the name, width and type of the fields of each record.
[C]. decide which fields will be used as sort or index keys
[D]. All of the above
[E]. None of the above

Answer: Option D


No answer description available for this question.

Rohit said: (Jan 10, 2012)  
How? Can anyone explain?

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