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。
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