OCP 1Z0 052 75

75. Your test database is configured to run in NOARCHIVELOG mode. One of the data files in the USERS

tablespace is lost due to a media failure. You notice that all the online redo logs have been overwritten

since the last backup.

What would you do to recover the data file?

A.Take the USERS tablespace offline and re-create the lost data file.

B.Shut down the instance, restore the data file from the last consistent backup, and restart the database

instance.

C.Shut down the instance, restore all the database files from the last consistent backup, and restart the

database instance.

D.Take the USERS tablespace offline, restore all the data files of the USERS tablespace from the last

consistent backup, and make the tablespace online.

Answer: C

非归档模式下被损坏，只能恢复到上次备份的时候了。如果没有备份，那找全你自已的东西，收拾好，准备跑路吧。