Discussion :: Database Systems
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Subschema can be used to
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A.
create very different, personalized views of the same data
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B.
present information in different formats
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C.
hide sensitive information by omitting fields from the sub¬schema's description
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D.
All of the above
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E.
None of the above
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Answer : Option D
Explanation :
No answer description available for this question.
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