053-589

Which of the following best describes a full backup?
A. All datafiles of a database
B. All datafiles, archive logs, and control files
C. All datafiles and control files
D. All the used blocks in a datafile

　　All the used blocks in a  datafile or any database file.A full backup can be taken on one database file.

posted @ 2017-11-09 17:10  巴啦啦大魔王  阅读(89)  评论(0)  编辑  收藏  举报