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Oracle OCP 1Z0 053 Q399(block media recovery)

原创 Oracle 作者:abstractcyj 时间:2016-04-05 13:53:02 0 删除 编辑
399.Which of the following is not an advantage of block media recovery (BMR)?
A. Reduced MTTR.
B. Datafiles remain offline while corrupt blocks are repaired.
C. Datafiles remain online while corrupt blocks are repaired.
D. A and C
Answer: B

官方文档:

Lowers the mean time to recover (MTTR) because only blocks needing recovery are restored and recovered
Enables affected data files to remain online during recovery


参考:http://blog.csdn.net/rlhua/article/details/14521481


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曾从事java方向开发多年。近年已经转入数据库方向。主要擅长SQL优化,Oracle数据库问题诊断,Oracle备份与恢复等。服务于医药物流,医院等行业

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