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

Question

Quizplus · Accepted Answer

All of the choices contribute to the difficulty of physical database design. The complexity of the specific DBMS environment adds to the challenge of designing the physical database. Collecting and changing application profiles can be a laborious task, and uncertainty about the number of physical record accesses makes it harder to optimize the design of the database.

Which of the Following Contributes to the Difficulty of Physical