单选题What is the proper procedure to recover a lost tempfile?()ARestore the backup copy of the tempfile from the backup media. BRe-create the tempfile with the create tempfile command. CCopy an existing tempfile from another database. DRe-create the tempfile with the create tablespace command. ERe-create the tempfile with the alter tablespace command.

单选题
What is the proper procedure to recover a lost tempfile?()
A

Restore the backup copy of the tempfile from the backup media. 

B

Re-create the tempfile with the create tempfile command. 

C

Copy an existing tempfile from another database. 

D

Re-create the tempfile with the create tablespace command. 

E

Re-create the tempfile with the alter tablespace command.


参考解析

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单选题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 sincethe last backup.  What would you do to recover the data file()ATake the USERS tablespace offline and re-create the lost data file.BShut down the instance, restore the data file from the last consistent backup, and restart the databaseinstance.CShut down the instance, restore all the database files from the last consistent backup, and restart thedatabase instance.DTake the USERS tablespace offline, restore all the data files of the USERS tablespace from the lastconsistent backup, and make the tablespace online

单选题What is the proper procedure to recover a lost tempfile?()A Restore the backup copy of the tempfile from the backup media.B Re-create the tempfile with the create tempfile command.C Copy an existing tempfile from another database.D Re-create the tempfile with the create tablespace command.E Re-create the tempfile with the alter tablespace command.

多选题What methods are available to recover lost control files?()ABackup control file.BEmergency control file.CThe create controlfile command.DThe restore controlfile SQL*Plus command.ENo backup is required. The database will re-create the control file when it is discovered to be lost.

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单选题You lost the PRODSTD tablespace, which was read/write. The tablespace was read-only when the last backup was performed. How would you recover the tablespace?()A restore the tablespace from the backup; there is no need to apply the redo informationB restore the full database to recover the data up to the point when you performed the backupC restore the tablespace from the backup and then perform a recovery using the backup control fileD 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

单选题The database is currently open and the temp03.dbf tempfile belonging to the default temporary tablespace TEMP has been corrupted. What steps should you take to recover from this tempfile loss in an efficient manner?()AAllow the database to continue running, drop the TEMP tablespace, and then re-create it with new tempfilesBShut down the database, restore and recover the tempfile from backup, and then open the database with RESETLOGSCAllow the database to continue running, take the TEMP tablespace offline, drop the missing tempfile, and then create a new tempfileDAllow the database to continue running, add a new tempfile to TEMP tablespace with a new name, and drop the tempfile that has been corrupted.

单选题If a backup is expired, which of the following is true?()A It can never be used for a restore/recover operation.B Oracle will remove the backup set pieces from the flash recovery area.C The backup has been used at least once to restore and recover the database.D The backup is no longer valid because of a resetlogs operation.E The physical backup set pieces are missing from the media.

单选题You are attempting to create an Oracle-Managed Files (OMF) tablespace in a production database with the following statement and receive the following error message:   CREATE TABLESPACE tbsl;  ORA-02199: missing DATAFILE/TEMPFILE clause oerr ora 2199  02199, 00000, “missing DATAFILE/TEMPFILE clause”  *Cause: A CREATE TABLESPACE statement has no DATAFILE/TEMPFTLE clause.  *Action: specify DATAFILE/TEMPFILE clause.   What is the corrective action to create the OMF based tablespace?()A AB BC CD D