多项选择题
A.flashback logs
B.current control file
C.control file autobackups
D.incremental backup sets
多项选择题 Youconfiguredtheflashrecoveryareainthedatabase.Whichtwofileswouldyouexpecttofindintheflashrecoveryarea？（）
单项选择题 You enabled the flashback logging feature， but you have not specified the location of the flash recovery area. Which location would be used as the default location for the flash recovery area？（）
单项选择题 Youdecidedtochangethelocationoftheflashrecoveryarea.Youexecutedthefollowingcommand：Whichstatementistrue？（）