一些IT专业人士认为，重复数据删除和单实例存储（SIS）是一回事，但其实并非如此。
Some IT professionals think that deduplication and Single Instance Store (SIS) are the same thing, but they are not.
不过，这种分割方式会创建重复数据。
比如恢复数据库直到更改87643。
资源管理器负责管理可恢复数据，例如文件或队列。
A resource manager is responsible for managing recoverable data, such as files or queues.
这种方法用于没有存档日志可用的不可恢复数据库。
This method is used for non-recoverable databases with no archived logs available for recovery.
另外，读者可能会对书中大量的重复数据感到厌烦。
Moreover, the reader may weary of so many repetitive statistics.
离线策略应用到用于备份和恢复数据库映像的机器。
An offline policy is applied to a machine that is used for backing up and restoring database images.
将最后的良好快照恢复到将用于恢复数据中心的磁盘。
Restore the last good snapshot to the disks that will be used for the recovery data center.
不需要恢复整个数据库服务器就可以在其他实例上恢复数据。
Data can be restored without restoring the full database server on another instance.
实现方法是创建一个压缩的符号字典，取代行级重复数据模式。
It does this by creating a compression dictionary of symbols which replace repeating data patterns at the row level.
恢复数据文件'/path/fileame.dbf'。
要修复数据库中的这个问题，您需要理解可能的原因和解决方案。
To fix this problem in the database, you need to understand the possible causes and resolutions.
恢复数据文件'/path/filename.dbf'。
能够实时地防止重复数据，避免昂贵的手工清理，从而降低操作成本
The ability to prevent duplicates in real-time, thus reducing operational costs by avoiding pricey, manual cleanup
第二个问题是避免过度使用数据库或计算性资源，防止生成重复数据。
The second problem was avoiding excessive use of database or computational resources in generating duplicate data.
她的职责包括进行备份、在需要时恢复数据库、进行存储管理并运行跟踪。
Her responsibilities include taking backups, restoring the database when required, storage management, and running traces.
如果出现问题，应用程序必须能够恢复数据库服务器并快速地让它投入工作。
If a problem does arise, the application must be able to recover the database server and quickly return it to full operation.
因此，如果用户的错误涉及DDL，那么将需要采取正确的措施来恢复数据库。
So if a user error has involved DDL, proper measures will need to be taken to bring back your database.
无论是自动精简配置，还是重复数据删除，在未来都会有助于提高存储的效率。
Both thin provisioning and data de-duplication will help drive storage efficiency in the future.
使用恢复任务助手恢复数据库，并前滚到运行delete语句之前的时间点。
Use the restore task assistant to restore the database and roll forward to a point in time before the delete statements were run.
除此之外，最大的问题是，主存储上重复数据所占的比例要比备份数据要低得多。
Beyond that, the big problem is that primary storage has a much lower percentage of duplicate data than backup data.
如果MongoDB服务器崩溃，应修复数据库以检查错误并执行一些数据精简。
If your MongoDB server crashes, you should repair the database to check for any corruption and perform some data compaction.
如果用户切换到另一个Android设备，他就可以从之前的设备中恢复数据。
If one switches to another Android device, he can restore the data from the previous one.
如果系统或媒体发生失败，您可以使用事务日志和第三方备份实用工具恢复数据库。
Then if a system or media failure occurs, you can use the transaction log and a third-party backup utility to recover your database.
前一个操作符在现有文件中追加内容（所以仍然可以恢复数据），后者覆盖现有内容。
The former operator appends to the existing file (so data may still be recovered), and the latter overwrites existing content.
前一个操作符在现有文件中追加内容（所以仍然可以恢复数据），后者覆盖现有内容。
The former operator appends to the existing file (so data may still be recovered), and the latter overwrites existing content.
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