Multiple Choice
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
Correct Answer:
Verified
Q27: In the division remainder hashing algorithm, the
Q28: In a hashed file, a collision occurs
Q29: In a hashed file, a collision occurs
Q30: A view is an important device in
Q31: The three ways of achieving direct access
Q33: In vertical partitioning, the rows of a
Q34: The common advantage of separating portions of
Q35: The frequency with which stored data is
Q36: In a hashed file, synonym pointer chains
Q37: <span class="ql-formula" data-value="\begin{array}{lllll}\begin{array}{lll}\text { Course } \quad\quad