Unlike offline backup, online backup only requires that data files and control files be backed up.
与脱机备份不一样，联机备份只要求备份数据文件和控制文件。
If data backup is required, connect the backup device to the storage server using an extra copper or fiber link.
如果需要数据备份，请用额外的铜缆或光纤链路把备份设备连接到存储服务器。
Incremental backup is a backup of all of the data that has changed since the last full database backup.
增量备份就是对最近一次数据库全备份以来所有修改了的数据进行备份。
A database backup minimizes data loss and gives you the ability to reconstruct the failed database from the backup copy using the recovery process.
数据库备份可以最小化数据的损失并使您能够使用恢复进程从备份副本中重新构建错误的数据库。
Incremental backup allows you to back up only index and data pages that have changed since a previous backup.
增量备份允许只备份自上一次备份以来发生变化的索引和数据页。
This article discusses one of the most powerful backup improvements for data warehouses - incremental backup.
本文讨论对数据仓库的最大备份改进之一——增量备份。
Thus a database backup, or at least a tablespace backup, should be executed following the data movement operation.
因此，在执行数据转移操作之后，应该执行数据库备份，至少是表空间备份。
A consistent backup is achieved when no data is changed between the start and the end of the backup process.
如果在备份过程期间数据没有发生变化，那么就能够获得一致的备份。
For a delta backup, you need to maintain all the backups taken since the last full backup in order to be able to reconstruct the data.
对于差异备份，需要维护自上次完全备份以来采取的所有备份，以便能够重构数据。
Therefore, the restore will be according to the backup timestamp to ensure the latest backup image is restored in order to minimize the loss of data.
因此，恢复要基于备份时间戳以确保能够恢复最后的备份映像，这样，就可以最小化数据丢失。
The backup is restricted to sequential backup meaning after backing up data files in tablespace1 then go on for data files in tablespace2.
备份是严格按照顺序进行的，这意味着在备份了表空间1中的数据文件后，将继续备份表空间2中的数据文件。
To restore without losing data, you will restore from the first Sunday backup, followed by incremental backup taken on Saturday and roll forward.
要进行恢复，而又不丢失数据，那么您需要从第一个星期天备份恢复，然后恢复星期六取得的增量备份并进行前滚。
Differential partial backup — This backup only records data that has changed in the filegroups since the preceding partial backup.
差异化部分备份——差异化部分备份仅记录自上一次部分备份以来文件组中发生更改的数据区。
Please refer to the Proven Practice Document: TM1 Backup and Recovery Guide for further details on creating a backup for TM1 Data.
请参阅可靠实践文档：TM1备份和恢复指南，了解为 TM1 数据创建备份的更多细节。
DAOS decreases the size of your NSF data volume, and savings can also occur in your backup volumes and backup times.
DAOS降低了NSF数据量大小，还降低了备份量并减少了备份时间。
Backup, backup, backup - Make sure you have a reliable way of backing up your data.
备份，备份，再备份——确保自己有一套可靠的方式备份文件。
During a parallel backup, whether it is a standard backup (onbar -b) or whole-system backup (onbar -b -w), multiple processes run simultaneously and back up data to separate dbspaces.
在并行备份期间，不管是标准备份(onbar -b)还是全系统备份(onbar - b- w)，都是多个进程同时运行，并将数据备份到不同的dbspace中。
DB2 High Performance unload can also repartition data and help speed backup and recovery operations by enabling unload and recovery of single tables from a full database backup.
DB 2HighPerformanceUnload还能够重新分配数据，帮助提高备份和恢复操作的速度，它启用了从完整的数据库备份卸载和恢复单个表的功能。
Delta backup: delta backup is backup of only the data that has changed since the last successful full, incremental, or delta backup.
delta备份：delta备份是对最近一次成功的备份(包括全备份、增量备份和delta备份)以来被修改了的数据的备份。
First, DB2 Merge backup provides an automated backup tool that can dramatically decrease the time required to complete full data backups.
首先，DB 2MergeBackup提供了一个自动备份工具，可以极大地减少完全数据备份所需的时间。
When Alter Tablespace ts_name End backup is issued, again a checkpoint SCN is recorded at the headers of online backup data files.
当发出“AlterTablespace ts_nameEndBackup”时，在联机备份数据文件的的文件头中再次记录了检查点scn。
This last criterion can be used to try and estimate the data change (that is, if data in the database has not changed since last backup, there is no need to take a new backup).
最后一个条件可用于尝试并估计数据更改(即，如果数据库中的数据自最后一次备份以来没有发生变化，则不必进行新的备份)。
Select Full backup - back up all data for backup type (Figure 10).
选择Fullbackup—backupalldata作为backuptype(图10)。
If you try to make a quick backup of the data at a particular point in time (a shadow copy), E-mail transactions may still occur while the backup is progressing.
如果试图在某个特定的时间点制作数据的快速备份(卷影副本)，则电子邮件事务仍然可能在备份进行的过程中发生。
Used for internal data structure synchronization within a backup operation, such as database, log, or file backup.
用于备份操作(例如，数据库、日志或文件备份)中的内部数据结构同步。
Tip: before equipment must be good backup important data of the original system. Transfer of personal data and backup hard drive in advance.
提示：设备前请必须备份好原系统的重要数据。主张提前转移个人资料并备份硬件驱动。
Finally, analyzes the influenced factors of data backup and recovery performance, puts forward data backup and recovery realization means.
最后分析了影响备份与恢复性能的因素，提出了高性能备份与恢复的实现方法。
Study and implement the integrate backup, unify management and scheduling process of backup data from caching storage to tape.
研究和实现了集中备份，统一管理和调度数据从缓冲磁盘备份到磁带的过程。
This paper introduces the storage area network and the compose of data backup system, emphasizes on how to use SAN technology to backup data.
本文介绍了存储区域网以及数据备份系统的组成，并着重阐述了如何利用SAN技术来进行数据备份。
It discusses the impact of backup and data replication, the often misapplied B2D and D2D strategies, and "tapeless" backup environments.
它讨论了备份和数据复制，经常被误用B2D和D2D战略，以及“无磁带”备份环境的影响。
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