Statistics gathered by AWR are queried from memory.

通过AWR的统计数据来自于内存.

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You can view the data contained in snapshots taken by AWR using Enterprise Manager.

你可以使用企业管理器查看由AWR生成的快照中的数据统计信息.

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Gathering database statistics using AWR is enabled by default and is controlled by LEVEL initialization parameter.

使用AWR收集数据库统计表是默认可用的,它是由初始化参数level控制的.

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AWRBy AWR generates snapshots of performance data once every hour.

默认情况下,自动工作量资料档案库每小时生成一次快照.

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