单项选择题
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
相关考题
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单项选择题
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 -
单项选择题
YoulostthePRODSTDtablespace，whichwasread/write.Thetablespacewasreadonlywhenthelastbackupwasperformed.Howwouldyourecoverthetablespace？（）
A.restore the tablespace from the backup; there is no need to apply the redo information
B.restore the full database to recover the data up to the point when you performed the backup
C.restore the tablespace from the backup， and then perform a recovery using the backup control file
D.restore the tablespace from the backup， and then recover the tablespace; all the redo information from the point when the tablespace was made read/write is applied -
多项选择题
Younoticedthattheindextablespaceinyourdatabaserequiresarecovery.However，insteadofperformingamediarecovery，youdecidedtorecreatetheindexesinanewtablespace.Whichtwooptionswouldyouusetoreducethetimeittakestorecreatetheindexes？（）
A.ONLINE
B.REVERSE
C.PARALLEL
D.COMPRESS
E.NOLOGGING
F.COMPUTE STATISTICS
