而且要能够对过去仓库处理活动的任何历史加以恢复；备份文件应该包含从档案表中删除的数据。
And also that any past history of the warehouse processing activity can be recovered; backup files should contain the data that has been deleted from the archive table.
更改注册表前，应该对计算机上任何有价值的数据进行备份。
Before making changes to the registry, you should back up any valued data on the computer.
通过执行命令“AlterTablespace ts_nameBeginBackup”，将任何或所有联机表空间置于联机备份模式来启动联机备份。
Online backup occurs either when any or all online table spaces are put into online backup mode by issuing a command Alter Tablespace ts_name Begin Backup.
为安全起见，它也可以扫描您之前备份注册表，以便您可以恢复它，如果该程序会导致任何问题。
For safety's sake, it can also back up your Registry before scanning, so that you can restore it, if the program causes any problems.
可读写快照的另一个好处是可以启动MySQL服务器，执行恢复、检察数据表或者其他任何要保证备份一致性所需的操作。
The other benefit of read-write snapshot is you can actually start MySQL Server on it and perform recovery, check tables or do whatever else you might need to do to ensure your backup is consistent.
可读写快照的另一个好处是可以启动MySQL服务器，执行恢复、检察数据表或者其他任何要保证备份一致性所需的操作。
The other benefit of read-write snapshot is you can actually start MySQL Server on it and perform recovery, check tables or do whatever else you might need to do to ensure your backup is consistent.
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