单项选择题
You executed the following query in your database：
FROM V$FLASHBACK_DATABASE_LOG;
What would you determine from the output？（）
A.the time when the last flashback operation in your database was performed
B.the time when the first flashback operation in your database was performed
C.a list of flashback operations performed in your database using SCN and time
D.the approximate time and the lowest system change number （SCN） to which you can flash back your database
相关考题
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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）. -
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
