此方法允许 DBA 先还原最重要的数据，使用户在联机模式下还原较次要的重要数据之前可以使用它们。

This approach allows the DBA to restore the most important data first, making it available to the users before restoring the less important data in online mode.

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通过还原脱机或联机备份并使用回滚操作来恢复日志，就可处理这些故障。

These failures are handled by restoring either offline or online backups and using roll-forward operations to recover the logs.

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在DB 2 LUW中，您还可以使用ROLLFORWARD DATABASE命令来应用恢复日志中的数据变更，这通常发生在还原一个联机副本之后(使用RESTORE DATABASE命令)。

In DB2 LUW, you could also use ROLLFORWARD DATABASE command, typically after the restore of an online copy (using the restore DATABASE command), to apply data changes from recovery logs.

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