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043-128

原创 Linux操作系统 作者:jbymy2000 时间:2012-03-09 15:29:29 0 删除 编辑
128. A media failure has occurred. This has resulted in all the membe
rs of the next hop log group being rendered inaccessible to the log w
riter process (LGWR) at a log switch. How does this failure affect th
e operational database?
A. The database re-created the missing redo log files automatically.
B.The database continues to function normally with the existing files
C. The database allows only queries, no other statements are allowed.
D.The database returns and error and the database instance shuts down
E. The user sessions that generate redo logs are terminated automatic
ally.
Answer: D
如果LGWR 正在访问的日志组坏掉,那么数据库会报错,instance 会关掉

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