关于redo&undo的几个动态性能视图......
select a.value
from v$mystat a, v$statname b
where a.statistic# = b.statistic#
and b.name = 'redo size';
V$ROLLSTAT
USN: Rollback segment number
RSSIZE: Current size of the rollback segment
XACTS: Number of active transactions
V$TRANSACTION
ADDR Address of the transaction state object
XIDUSN Undo segment number
来自 “ ITPUB博客 ” ，链接：https://blog.itpub.net/45259/viewspace-134867/ ，如需转载，请注明出处，否则将追究法律责任。
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