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单选题

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?()

发布日期:2022-06-07

You notice a performance change in your production...
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

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