053-401

Which of the following are correct about block media recovery? (Choose all that apply.)
A. Physical and logical block corruption is recorded automatically in V$DATABASE_BLOCK_
CORRUPTION.
B. Logical corruptions are repairable by BMR.
C. Physical corruptions are repairable by BMR.
D. RMAN can use any backup for a BMR restore.
E. ARCHIVELOG mode is not required if you have both a full and incremental backup for restore.

  Option B is incorrect because logical corruptions are not repairable by BMR.Option D is incorrect because you must use a level 0 or full backup for the restore.Option E is incorrect because ARCHIVELOG mode is a requirement for BMR.
BMR(BLOCK MEDIA RECOVERY) 
http://dawn009.blog.163.com/blog/static/217589393201361192227640/

posted @ 2017-11-13 18:33  巴啦啦大魔王  阅读(99)  评论(0编辑  收藏  举报