What is the first step that you would take to ensure this?

You find today’s performance of your production database to be the best ever. Therefore,
you want to be notified in the future whenever the performance degrades by 10% of today’s
performance. What is the first step that you would take to ensure this?

A.
create baseline metrics for today’s performance

B.
write the current database metrics to a database table and create a trigger to
compare with future database statistics

C.
write the current database metrics to a flat file and create an operating script to
compare with future database statistics

D.
write the current database metrics to a database table and create a procedure to
compare with future database statistics

E.
write the current database metrics to a database table and submit a job using
DBMS_JOB to compare with future database statistics