group data area的用法和樣例：
例句
- Often all the locations in a data area have the same scope in the source program.
一個(gè)數據區中所有單位在源程序中常常有相同的定義域。 - A backup that contains only the data extents that were modified since the most recent partial backup of the same set of filegroups.
這種備份僅包含自同一組文件組的最新部分備份以來(lái)發(fā)生了修改的數據區。
