ocp 052考試詳解：1Z0-V8.02-第44題
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44. Your database is functional with a peak load for the last one hour. You want to preserve the performance statistics collected during this period to be used for comparison when you analyze the performance of the database in the future.
What action would you take to achieve this task?
A.Insert finding directives for ADDM tasks in the future.
B.Create a baseline on a pair of snapshots spanning the peak-load period.
C.Decrease the snapshot interval in the AWR to collect more snapshots during the peak-load period.
D.Set the snapshot retention period in the Automatic Workload Repository (AWR) to zero to avoid
automatic purging of snapshots.
Answer: B
答案解析：
題問：你想保留數據庫最后一個小時的峰值負載，此期間的性能統計分析，以便在將來用戶數據庫的性能比較，采取什么措施來實現?
A,針對以后ADDM任務出入尋找指令;
B,創建一個基線，一對在峰值負載期間快照。
C,在高峰負荷期間，減少在AWR快照時間間隔，以收集更多的快照。
D,自動負載信息庫(AWR)快照保留期限設置為零，以避免自動清除快照
