Multiple Choice
Which of the following contributes to the difficulty of physical database design?
A) Complexity of the specific DBMS environment
B) Application profiles are hard to collect and changing
C) Uncertainty about the number of physical record accesses
D) All of the above
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q30: A Sequential File is a simple file
Q31: Bitmap indexes are a good alternative to
Q32: The B+tree structure improves the performance of
Q33: In hash files,if a collision occurs because
Q34: A logical record may be split across
Q36: INSERT and DELETE statements affect only the
Q37: In a _ index,the order of the
Q38: A(n)_ is a situation that occurs when
Q39: You should avoid creating too many indexes
Q40: A(n)_ is a collection of bytes that