The storing derived data physical database design technique is designed to ____.
A) reduce the number of joins
B) reduce the number of indexes
C) replace clumsy keys that have a large number of attributes
D) All of the above.
E) None of the above.
Correct Answer:
Verified
Q40: Application data requirements that enter into the
Q41: Consider Table A on the "one side"
Q42: One of the reasons for having secondary
Q43: Consider Table A on the "one side"
Q44: The drawback of denormalization is that it
Q46: Horizontal partitioning _.
A) means dividing the rows
Q47: The common advantage of separating portions of
Q48: Denormalization can improve the _.
A) performance of
Q49: If the primary key of a table
Q50: Programs and data are loaded into primary
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