AWR相关知识和各种报告

select * from DBA_HIST_WR_CONTROL：控制AWR的设置 select * from DBA_HIST_SQL_PLAN显示SQL执行计划 select * from DBA_HIST_SNAPSHOT系统中快照的信息 DBA_HIST_IOSTAT_DETAIL：按文件类型和功能汇总的历史I / O统计信息 select * from DBA_HIST_DISPATC

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