单选题
发布日期:2020-04-10
Set the STATISTICS_LEVEL initialization parameter to ALL.
Create a baseline on a pair of snapshots that have the statistics of the peak-load period in the database.
Decrease the snapshot interval in the AWR to collect more number of snapshots during the peak-load period.
Set the snapshot retention period in the Automatic Workload Repository (AWR) to zero to avoid the automatic purging of the snapshots.
标签: database functional peak load hour
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