單項選擇題

On Tuesday， a junior DBA dropped an important application user account， whose schema has important tables. You are asked to recover all the objects in the schema. On investigation， you find that the user account was dropped at 11：00 a.m. and Sunday’s backup is the most recent backup. Which flashback feature would you use？（）

A.Flashback Drop
B.Flashback Table
C.Flashback Database
D.Flashback Version Query
E.Flashback Transaction Query

你可能感興趣的試題

A data file became corrupted in your database due to bad sectors on the disk. Because of corruption， you lost all the important tables in that data file.
Which method would you use for recovery？（）

A.flash back all the tables in the data file， one by one
B.restore the data file to a new location and perform a media recovery
C.flash back the database; there is no need to restore the data file
D.restore the data file from the most recent backup and flash back the database

單項選擇題

Every Sunday， consistent backups are performed on your database. Because of a user error， you performed an incomplete recovery on Tuesday and opened the database with the RESETLOGS option. A user error occurs again on Thursday， which necessitates an incomplete recovery. Sunday’s backup is the most recent backup available. What would you do in this scenario？（）

A.recovery cannot be performed because a backup was not performed after the last incomplete recovery
B.restore all the files from Sunday’s backup， and then perform an incomplete recovery up to the point in time when the user error occurred on Thursday
C.restore all the files from Sunday’s backup， and then recover up to the point in time when the RESETLOGS operation was performed on Tuesday
D.restore all the files from Sunday’s backup， and open the database to reset the database to the point in time when the backup was performed on Sunday

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你可能感興趣的試題

A data file became corrupted in your database due to bad sectors on the disk. Because of corruption， you lost all the important tables in that data file. Which method would you use for recovery？（）

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A data file became corrupted in your database due to bad sectors on the disk. Because of corruption， you lost all the important tables in that data file.
Which method would you use for recovery？（）