在DB 2中，完全备份应该是一个离线备份。
支持在线和离线完全备份以及崩溃和事务恢复。
Supports full online and offline backups and crash and transaction recovery.
增量备份是自最近成功的完全备份以来所有更改的备份。
An incremental backup is a backup of all changes since the most recent, successful, full backup.
完全备份使您得到完整的备份(有时候也称0级备份)。
A full backup gives you a complete backup (sometimes it is referred to a level 0 backup).
建议在运行离线重分发实用程序之前，对数据库进行完全备份。
It is recommended that you take a full database backup before running the offline redistribute utility.
支持在线和离线完全备份以及崩溃、时间点和事务恢复。
Supports full online and offline backups and crash, point-in-time and transaction recovery.
差异化备份——只对上次完全备份之后有过更改的页面进行备份。
Differential backup — Backs up all of the modified pages in a database after the last successful full backup is completed.
从这个图中可以看到，增量备份实际上是以上一次的完全备份为基础。
From this figure you can see that an incremental backup is really based on the last full backup.
如果事务日志用于备份，只在完全备份计划(每周一次)之前使用此开关。
If transaction logging is used for backups, use this switch only before the full backup schedule (once a week).
增量备份捕捉自上一次完全备份以来的所有变化(有时候也称1级备份)。
An incremental backup grabs all changes since the last full backup image (sometimes called a level 1 backup).
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。
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.
注意：Microsoft建议您在对磁盘或卷进行任何更改之前完全备份磁盘内容。
NOTE: Microsoft recommends that you create a full back up of your disk contents before you make any changes to your disks or volumes.
可以首先还原文件系统的完全备份，而后续的增量备份可以在已还原的完全备份之上覆盖。
A full backup of a file system may be restored and subsequent incremental backups layered on top of it.
每个连续的增量映像都包含前一个增量映像的全部内容，以及前一个完全备份以后所做的更改。
Each successive incremental image contains the entire contents of the previous incremental image, and the changes since the previous full backup.
假定我们像上面描述的那样执行了备份——星期天执行完全备份，星期一至星期六执行增量备份。
Assuming we back up as depicted above - Sunday full backup, Monday to Saturday we do incremental backups.
BANK数据库的大小约为36MB(数据库的完全备份可以提供快速方法来测量数据库大小)。
The BANK database has an approximate size of 36 MB (a full backup of the database can provide a quick way to measure the database size).
完全备份，即复制系统中所有的文件，很明显这样做可以保存所有的信息，但这可能是一种代价很大的信息备份方式。
A full backup — in other words, one where you copy all of the files from your system — would obviously capture everything, but it can be an expensive way of backing up your information.
对于这两种类型的备份(全系统备份和并行备份)，都可以指定备份级别，例如，如果此备份应该是一个完全备份或增量备份。
For both types of backups (whole system and parallel) you will be able to specify the backup level, for instance, if this should be a full or an incremental backup.
HighPerformance Unload可以从完全备份、增量备份、delta备份和合并备份中恢复单个表格故障或意外表格删除中的数据。
High Performance Unload can recover data from single table failures or accidental table drops from full, incremental, delta, and merged backups.
通过使用最近的完全备份来合并增量备份和delta备份，DB2MergeBackup使您能够使用更频繁、完全融合的备份替换常规的完全DB 2备份，如图2所示。
DB2 merge backup enables you to replace regular full DB2 backups with more-frequent, full merged backups by combining incremental and delta backups with a recent full backup, as shown in Figure 2.
两者都能执行完全系统备份。
这是完全系统备份，您要定期执行以保存整个系统。
This is the full system backup that you would do periodically to capture the entire system.
可以从完全或部分备份中还原单独的文件或者目录树。
Single files and directory subtrees may be restored from full or partial backups.
在完全实现DAOS之后，备份时间大大降低。
After DAOS was fully implemented, backup times were dramatically reduced.
在该场景的某一个步骤中，您在更改了日志记录选项后，对数据库执行完全离线备份。
During one of the steps of the scenario, you perform a full offline backup of the database after changing the logging option.
所有后续合并可以从DB 2MergeBackup生成的完全合并备份开始。
All the subsequent merges can start from the full merged backups that DB2 merge backup generates.
用于支持增量备份的跟踪特性完全是内部的，不需要考虑任何存储方面的因素。
The tracking feature used to support incremental backup is entirely internal and doesn't require any storage considerations.
当备用数据库(假设只包含dms表空间)处于前滚暂挂(rollforwardpending)状态时，DB 2UDB允许对它做完全数据库备份。
DB2 UDB allows you to take a full database backup of a standby database (if it only contains DMS tablespaces) while it is in the rollforward pending state.
数据库被完全转换为自动存储后，应该为它做一个备份。
After the database has been fully converted to automatic storage, you should make a backup of it.
数据库被完全转换为自动存储后，应该为它做一个备份。
After the database has been fully converted to automatic storage, you should make a backup of it.
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