单项选择题
A. The database does not record flashback logs for MY_TABLESPACE
B. The tables residing in MY_TABLESPACE are not protected by the Recycle Bin.
C. All the tablespaces except MY_TABLESPACE can be recovered using Flashback Database feature.
D. None of the flashback technologies， such as Flashback Table， Flashback Transaction Query and Flashback Version Query can be used to recover individual rows within the objects from MY_TABLESPACE
单项选择题 At10：30A.M.，youranabatchjobbymistake，whichexecutedatransactioninthedatabase.Thetransactionidentifierofthetransactionthatmadetothechangesinthedatabaseis0500A00627B000.At11：10A.M.，youstoppedthebatchjob.Now，youwanttoidentifythechangesmadetothedatabasetablesbythebatchjob.Whichviewwillyouquery？（）
多项选择题 YouaremaintainingadatabasethatisinARCHIVELOGmode.Youhaveconfiguredtheflashrecoveryareainyourdatabase.ThedatabaseisinMOUNTEXCLUSIVEmode，andyouwanttoconfiguretheFlashbackDatabasefeature.WhichtwooptionsareNOTrequiredtoconfiguretheFlashbackDatabasefeature？（）
单项选择题 You dropped a schema of a user in an Oracle 10g by mistake. You decide to flash the database back to its previous state to restore the deleted schema. Which process writes the before images of the physical database blocks to the flashback database logs？（）