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。
For example, as an administrator, you could use the space to create a quick backup, or to compress existing data without having to use a secondary file system for the purpose.
例如，作为管理员，您可以使用这个空间来创建快速备份，或对现有的数据进行压缩而无需为达到该目的使用辅助文件系统。
A split mirror initialized as mirror can be used as a system level backup, allowing the administrator to perform a quick file system level recovery of the database.
初始化为镜像的分割镜像可以用作系统级备份，从而使管理员可以执行快速的文件系统级数据库恢复。
A few quick facts about offline backup can be seen here.
关于离线备份有几点应该记住。
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).
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).
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)。
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