在DB 2中，完全备份应该是一个离线备份。
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.
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.
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).
不过，有时事务日志备份要比完全备份还大。
However, sometimes a transaction log backup is larger than a full backup.
这个完全备份选择包括了APE这个备份选项。
事务日志备份所使用的资源通常比完全备份少。
Transaction log backups generally use fewer resources than full backups.
完全备份——备份整个数据库，包括所有的文件组合事务日志。
Full backup — Backs up the full database, including all file groups and transaction logs.
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.
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.
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.
完全备份包括一部分事务日志，以便可以恢复完全备份。
A full backup includes part of the transaction log so that you can recover the full backup.
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).
注意，您可以手动恢复完全备份，应用星期六的增量备份映像并进行前滚。
Note that you can restore either a full backup manually, apply the Saturday incremental backup image and roll forward.
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).
事务日志备份——备份所有执行的事务日志(在上次完全备份之后执行的)。
Transaction log backup — Backs up all of the transactions performed against the database after the last successful full backup or transaction log backup is completed.
增量备份仅仅包括从上次完全备份或增量备份以来更改过的文件。
Incremental. Incremental backups include only the files that have changed since the last full or incremental backup.
与完全备份不一样，您必须恢复所有数据文件，而不只是要恢复选定的数据文件。
Unlike complete recovery, you have to restore all data files, instead of only the selected data files to be recovered.
首先对您的系统进行完全备份，并测试该备份是否可靠，然后再继续。
Do a full backup of your system before proceeding, and test that the backup is reliable.
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.
因此，创建事务日志备份可以比创建完全备份更加频繁，从而降低丢失数据的风险。
Therefore, you can create transaction log backups more frequently than full backups, which reduces your risk of losing data.
完全备份和增量备份只能空闲期间(offshift)运行，带有一天内的存档日志备份。
Full backups and incremental backups were only run "off shift," with archive logs backed up during the day.
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.
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.
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