單項(xiàng)選擇題

The loss of the control file forced you to recreate the control file. After recreating it and opening the database， you find that some of the data files are named as MISSINGnnnnn， where nnnnn is a fivedigit number starting with 0.
What could be the possible reason？（）

A.These are the data files that are corrupted.
B.There is no SYSAUX tablespace in your database
C.There is a readonly tablespace in your database.
D.These are the data files that cannot be recovered.

你可能感興趣的試題

單項(xiàng)選擇題

You have a readonly tablespace on readonly media. You want to perform a media recovery on the existing data files， but using a backup control file. The backup control file indicates that the status of the readonly tablespace was read/write when the control file was backed up. What should you consider？（）

A.drop the readonly tablespace and recreate the tablespace after recovery
B.take data files from the readonly tablespace offline before performing a recovery
C.perform a recovery; status of the tablespace in control file will be changed automatically
D.recovery using backup control file is not possible， so restore all the files from the last full database backup， and then open the database

單項(xiàng)選擇題

One of the tablespaces is readonly in your database. The loss of all control files forced you to recreate the control file.
Which operation do you need to perform after recreating the control file and opening the database？（）

A.drop and recreate the readonly tablespaces
B.rename the readonly data files to their correct file names
C.change the tablespace status from read/write to readonly
D.recreate the readonly tablespace because it is automatically removed

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The loss of the control file forced you to re­create the control file. After re­creating it and opening the database， you find that some of the data files are named as MISSINGnnnnn， where nnnnn is a five­digit number starting with 0. What could be the possible reason？（）

你可能感興趣的試題

One of the tablespaces is read­only in your database. The loss of all control files forced you to re­create the control file. Which operation do you need to perform after re­creating the control file and opening the database？（）

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The loss of the control file forced you to recreate the control file. After recreating it and opening the database， you find that some of the data files are named as MISSINGnnnnn， where nnnnn is a fivedigit number starting with 0.
What could be the possible reason？（）

One of the tablespaces is readonly in your database. The loss of all control files forced you to recreate the control file.
Which operation do you need to perform after recreating the control file and opening the database？（）