A. Tuning application code
B . Tuning disk I/O
C . Tuning memory
D . Tuning CPU utilization
Explanation:
Answer A: At the database configuration phase of the application design process, we are mostly concerned with tuning memory, I/O, and CPU. The application code should have already been tuned in the development and test environments. There are usually user acceptance testing and post-implementation opportunities to tune the application SQL code.
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