从属于传统回滚段表空间的数据文件的丢失中恢复。
Recovering from the loss of a data file that belongs to a traditional rollback segment tablespace.
对于联机备份，需要特别注意SYSTE m表空间和回滚段表空间。
For online backup, special care needs to be taken for the SYSTEM table space and rollback segments table space.
用它的所有回滚段重新创建回滚表空间。
Recreate the rollback tablespace with all of its rollback segments.
用它的所有回滚段重新创建回滚表空间。
Recreate the rollback tablespace with all of its rollback segments.
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