differential incremental backup

常见例句

The diagram below illustrates the concept of differential incremental backup.
下圖闡述了差異增量備份的概唸。
Differential incremental backup backs up all blocks changed after the most recent backup at level n or lower.
差異增量備份用來在級別 n 或更低級別上備份最近備份後更改的所有塊。
Dealing with huge databases such as those in data warehouse environment, both Oracle and DB2 provide incremental and differential backup to avoid copying unchanged data pages.
在処理像數據倉庫環境中數據庫那樣的巨型數據庫方麪，Oracle 和 DB2 都提供了增量和差異備份，避免複制未更改的數據頁。