单选题In which case would you use the Flashback Database feature to perform a recovery?()Ato recover a dropped tablespaceBto recover data from a truncated tableCto recover a data file that has been shrunkDto recover a database to the state that existed before the RESETLOGS operation

单选题
In which case would you use the Flashback Database feature to perform a recovery?()
A

to recover a dropped tablespace

B

to recover data from a truncated table

C

to recover a data file that has been shrunk

D

to recover a database to the state that existed before the RESETLOGS operation


参考解析

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单选题You executed the following query in your database:  FROM V$FLASHBACK_DATABASE_LOG;  What would you determine from the output?()Athe time when the last flashback operation in your database was performedBthe time when the first flashback operation in your database was performedCa list of flashback operations performed in your database using SCN and timeDthe approximate time and the lowest system change number (SCN) to which you can flash back your database

单选题In which case would you use the Flashback Database feature to perform a recovery?()Ato recover a dropped tablespaceBto recover data from a truncated tableCto recover a data file that has been shrunkDto recover a database to the state that existed before the RESETLOGS operation