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.
图2展示了DB 2中提供的不同类型的部分备份方式。
Figure 2 illustrates the different kinds of partial backups available in db2.
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.
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