文件差异备份 (file differential backup)仅包含自最近的文件备份之后对每个文件所做更改的一个或多个文件备份。文件差异备份需要以完整文件备份为基础。
基于20个网页-相关网页
例如,为了将数据恢复到星期三工作结束时,需要星期一、星期二和星期三的差异备份镜像(或星期三的日志文件)。
For example, to recover data to the end of business day Wednesday, you would need the delta backup images for Monday, Tuesday, and Wednesday (or Wednesday's log files).
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。
Differential partial backup — This backup only records data that has changed in the filegroups since the preceding partial backup.
应用推荐