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 peakload period in the database.
Decrease the snapshot interval in the AWR to collect more number of snapshots during the peakload period.
Set the snapshot retention period in the Automatic Workload Repository (AWR) to zero to avoid theautomatic purging of the snapshots.
标签: database functional peak load hour
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