| 1. | You can roll forward to do recovery as long as redo logs are not overwritten
如果重做日志没有被重新写入，您就可以通过前滚操作来执行恢复 |
| 2. | Db2 list history dropped table all for sample restore table space using the backup image without rolling forward
在没有前滚操作的情况下，使用备份映像来恢复表空间。 |
| 3. | Both complete and incomplete recovery will be using backup images with or without the roll forward enabled
完全和不完全恢复都将使用备份映像，可以启用或不启用前滚操作 |
| 4. | Overflowlogpath - specify the location of the logs during a rollforward operation to allow access logs in multiple locations
Overflowlogpath指定前滚操作中的日志位置，以便在多个位置访问日志。 |
| 5. | Reverting is potentially much faster for this purpose than restoring from a backup ; however , you cannot roll forward afterward
采用此方法还原很可能比从备份还原快得多；但是，此后您无法对数据进行前滚操作。 |
| 6. | As in all point - in - time restore operations , recovering to a mark is disallowed when the database is undergoing operations that are bulk - logged
，前滚操作将在具有指定名称的第一个标记处停止。如果指定了after |
| 7. | Overflowlogpath specify the location of the logs during a rollforward operation to allow access logs in multiple locations
Overflowlogpath指定前滚期间可以在哪些目录搜索需要的日志，以允许前滚操作能访问多个目录中的日志。 |
| 8. | With five or more cpus , a mirror server distributes its roll forward operations among multiple threads during a failover this is known as parallel redo
如果cpu的数量为五个或更多时，镜像服务器便会在故障转移过程中，在多个线程之间分配其前滚操作（称为“并行重做 |
| 9. | For delta backup and restore , in the same scenario , you will restore each day s delta backup image monday through saturday and roll forward to complete the recovery
对于相同场景中的delta备份和恢复，您将恢复每天的delta备份映像（星期一到星期六） ，并执行前滚操作来完成恢复。 |
| 10. | These failures are handled much the same way in db2 udb and oracle , by restoring either offline or online backups and using roll forward operations to recover the logs
在db2 udb和oracle中，这些失败的处理方式大致是一样的，都是通过脱机或联机备份并使用前滚操作恢复日志来完成的。 |
