-----------------------------------------------查看数据库会话情况
查看会话情况
select to_char(trunc(a.SAMPLE_TIME,'mi'),'yyyy-mm-dd hh24:mi:ss'),a.INSTANCE_NUMBER,count(1) cnt
from dba_hist_active_sess_history a
where a.SAMPLE_TIME>=to_timestamp('202308211400','yyyymmddhh24mi')
and a.SAMPLE_TIME=to_timestamp('202308211400','yyyymmddhh24mi')
and a.SAMPLE_TIME=to_timestamp('202308211400','yyyymmddhh24mi')
and a.SAMPLE_TIME=to_timestamp('202308211400','yyyymmddhh24mi')
and a.SAMPLE_TIME 5
ORDER BY 1;
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