col snap_interval format a20
col retention format a20
select * from dba_hist_wr_control;
exec dbms_workload_repository.modify_snapshot_settings(interval=>30,retention=>31*24*60);
select * from dba_hist_wr_control;
修改AWR采样频率为30分钟一次,数据保留31天
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转载自blog.csdn.net/hezuijiudexiaobai/article/details/121233575
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