1z0-063 Exam Dumps | You notice a performance change in your production Oracle 12c database. You want to know which change

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Oracle.1z0-063.v2019-08-18.q143
Question 139

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Question 139/143

You notice a performance change in your production Oracle 12c database. You want to know which
change caused this performance difference.
Which method or feature should you use?

A. Compare Period ADDM report

B. AWR Compare Period report

C. Active Session History (ASH) report

D. Taking a new snapshot and comparing it with a preserved snapshot

Correct Answer: B

Explanation/Reference:
Explanation:
The awrddrpt.sql report is the Automated Workload Repository Compare Period Report. The awrddrpt.sql
script is located in the $ORACLE_HOME/rdbms/admin directory.
Incorrect Answers:
A: Compare Period ADDM is used to perform a high-level comparison of one workload replay to its capture
or to another replay of the same capture. Only workload replays that contain at least 5 minutes of database
time can be compared using this report.

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