单项选择题
You disabled the Flashback Database feature by using the following command：
SQL> ALTER DATABASE FLASHBACK OFF;
What would be the effect of this command on the existing flashback logs？（）
A.Flashback logs are not deleted.
B.Flashback logs are deleted automatically.
C.Flashback logs are deleted only if you are using Recovery Manager （RMAN）.
D.Flashback logs are deleted only if you are using Oracle Managed Files （OMF）.
E.Flashback logs are deleted only if you are using Automatic Storage Management （ASM）.
相关考题
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单项选择题
InwhichcasewouldyouusetheFlashbackDatabasefeaturetoperformarecovery？（）
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 -
单项选择题
View the Exhibit and examine the Flashback Database architecture. Identify the missing component （shown with a "？"） in the Flashback Database architecture.（）
A.DBWn
B.RVWR
C.ARCH
D.RECO
E.TRWR -
多项选择题
You are working on an Oracle Database 10g database. Because of data loss， you decided to perform a Flashback Database operation using the following command： SQL> FLASHBACK DATABASE TO TIMESTAMP（SYSDATE 5/24） Which two statements are true？ （）
A.SYSDATE should not be used with TIMESTAMP.
B.The database must have multiplexed redo log files.
C.The database must be in the MOUNT state to execute the command.
D.The database must be opened with the RESETLOGS option after the flashback operation.
E.The entire database needs to be restored from the most recent backup before the flashback operation.
