Multiple Choice
In terms of performance, there is no point in indexing a table if ____.
A) several of its attributes are not used as search fields
B) the number of rows of the table is very large
C) the number of rows of the table is very small
D) the number of columns of the table is fairly large
E) the number of columns of the table is fairly small
Correct Answer:

Verified
Correct Answer:
Verified
Q14: In a disk, once the access arm
Q15: Physical database design is necessary _.<br>A) to
Q16: Which of the following is true about
Q17: A file can have only one index
Q18: All of the following are good candidates
Q20: Each entry in a simple linear index
Q21: Using the clustered files technique involves reorganizing
Q22: An index can be built over a
Q23: Consider Table A on the "one side"
Q24: The physical design technique known as "substituting