Q459
Block or buffer caches are used
A.
to improve disk performance
AnswerB.
to handle interrupts
C.
to increase the capacity of main memory
D.
to speed up main memory read operation
E.
None of the above
Answer: Option A
Solution
Answer: Option A
Solution:
Buffer cache is where data blocks are copied to perform SQL operations. Buffer cache is shared memory structure and it is concurrently accessed by all server processes.