If the last backup was a full backup image, it and the delta provide the most complete backup.
如果最后的备份是一个完整的备份映像，那么它和增量备份将提供最完整的备份。
The unit of backup for offline database is the entire database, whereas the unit of backup for online backup is some or all table spaces.
脱机数据库的备份单位是整个数据库，而联机备份的备份单位是一些或全部表空间。
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。
Offline backup is the backup of all the physical database files after a normal database shutdown.
脱机备份是正常关闭数据库之后，对所有物理数据库文件执行的备份。
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。
There's the main cooling system, a backup to it, a backup to the backup, a backup to the backup to the backup, and so on.
首先有一个主冷却系统，然后有一个备用系统，备用系统还有一个备用系统，再有一个备用系统的备用系统，如此下去。
Therefore, IBM was able to modify backup times and backup volume requirements to accommodate the decreased volume.
因此，IBM能够修改备份时间和备份量需求以适应降低的数量。
If you are using circular logging, offline backup is the only type of backup supported.
如果您正在使用循环日志记录，脱机备份是惟一受支持的备份类型。
Offline backup requires that all applications disconnect from the database, whereas online backup allows transactions to carry on while backup is in progress.
脱机备份要求所有应用程序断开与数据库的连接，联机备份允许在备份的过程中继续执行事务。
Figure 3 shows how recovery requires a full backup image, the last incremental backup, all delta backups since the last incremental backup, and the logs.
图3显示了恢复如何使用完整的备份映像、最后的增量备份、上一次增量备份之后的所有增量备份和日志。
Online backup: Online backup can be taken even when the applications are connected to the database.
在线备份：即使应用程序和数据库处于连接状态，也可进行在线备份。
An incremental backup is a backup of all changes since the most recent successful, full backup.
增量备份是最近一次成功的全备份以来的所有修改的备份。
An online backup, unlike the offline backup, allows users to carry on with their normal tasks.
联机备份与脱机备份不同，它允许用户执行正常任务。
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。
For offline backup, the exclusive use is required to do a backup whereas online backup allow users to connect while backup is in progress.
对于脱机备份，需要排它地进行备份，联机备份则允许用户在备份过程中连接数据库。
An incremental backup is a backup of all changes since the most recent, successful, full backup.
增量备份是自最近成功的完全备份以来所有更改的备份。
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。
If a delta is preceded by one or more deltas, you need all deltas until you reach an incremental backup or a full backup image.
如果一个增量备份之前执行了一个或多个其他增量备份，那么您需要在执行增量备份或完整备份映像之后执行的所有增量备份。
Backup target and target options: Specifies the location where the backup will be placed and any options for the backup target.
备份目标和目标选项：指定放置备份的位置以及备份目标的任何选项。
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。
If a delta is preceded by an incremental backup image, you need the delta, the incremental backup, and the full backup image on which the incremental is based.
如果在增量备份之前执行了增量备份，则需要增量备份、增量备份以及增量备份所依赖的完整备份映像。
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。
Backup criteria: Specifies when automatic backup should consider scheduling a backup.
备份条件：指定自动备份应在何时计划备份。
Offline backup requires that a full database backup be taken and, obviously, that the database be offline while the backup is in process.
脱机备份要求采取完全数据库备份，显然，在备份的过程中，数据库是脱机的。
Offline backup: Offline backup is the simplest form of backup in DB2 9 as well as in IDS.
离线备份： 离线备份是DB29和 IDS中最简单的一种备份形式。
In the case of an offline backup, full database backup is taken while the database is put offline.
如果使用离线备份，当数据库离线时，将对整个数据库备份。
There was a backup to the backup in the form of on-site diesel generators.And, sure enough, they kicked in.
还有为备用电力准备的备用柴油发电机，并且柴油发电机确实启动了。
There was a backup to the backup in the form of on-site diesel generators. And, sure enough, they kicked in.
还有为备用电力准备的备用柴油发电机，并且柴油发电机确实启动了。
Offline backup is also the simplest form of backup in DB2 UDB.
在DB 2 UD b中，脱机备份也是最简单的备份。
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