SELECT snap_id, VALUE,lead(value) over(order by value)-value as aa
FROM DBA_HIST_SYS_TIME_MODEL
WHERE SNAP_ID IN (SELECT snap_id
FROM dba_hist_snapshot
WHERE TRUNC (BEGIN_INTERVAL_TIME) = TRUNC (SYSDATE) - 1)
and STAT_NAME = 'DB time'
order by value;
50 - 51
FROM DBA_HIST_SYS_TIME_MODEL
WHERE SNAP_ID IN (SELECT snap_id
FROM dba_hist_snapshot
WHERE TRUNC (BEGIN_INTERVAL_TIME) = TRUNC (SYSDATE) - 1)
and STAT_NAME = 'DB time'
order by value;
50 - 51
来自 “ ITPUB博客 ” ，链接：https://blog.itpub.net/29990276/viewspace-1579667/ ，如需转载，请注明出处，否则将追究法律责任。
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