select sequence#,
to_char(first_time, 'yyyy-mm-dd hh24:mi') || ' ' ||
to_char(nexttime, 'hh24:mi'),
round(((first_time - nexttime) * 24) * 60, 2) diff
from (select sequence#,
first_time,
lag(first_time) over(order by sequence#) nexttime
from v$log_history
where thread# = 1
and trunc(first_time) >= sysdate - 8)
where round(((first_time - nexttime) * 24) * 60, 2) > 0
order by sequence# desc;
来自 “ ITPUB博客 ” ，链接：https://blog.itpub.net/26390465/viewspace-1793115/ ，如需转载，请注明出处，否则将追究法律责任。
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