数据库备份与恢复测试(8)

SQL> select SEGMENT_NAME,TABLESPACE_NAME,STATUS from dba_rollback_segs;

SEGMENT_NAME                   TABLESPACE_NAME                STATUS
------------------------------ ------------------------------ ----------------
SYSTEM                         SYSTEM                         ONLINE
_SYSSMU1$                      UNDOTBS1                       NEEDS RECOVERY
_SYSSMU2$                      UNDOTBS1                       NEEDS RECOVERY
_SYSSMU3$                      UNDOTBS1                       NEEDS RECOVERY
_SYSSMU4$                      UNDOTBS1                       NEEDS RECOVERY
_SYSSMU5$                      UNDOTBS1                       NEEDS RECOVERY

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