Which method would you use to undo the changes made by a particular transaction without affecting the changes made by other transactions?() A. point-in-time recoveryB. execute the ROLLBACK command with transaction numberC. flashback the database to before the transaction was committedD. determine all the necessary undo SQL statements from FLASHBACK_TRANSACTION_QUERY and use them for recovery
Which method would you use to undo the changes made by a particular transaction without affecting the changes made by other transactions?()
A. point-in-time recovery
B. execute the ROLLBACK command with transaction number
C. flashback the database to before the transaction was committed
D. determine all the necessary undo SQL statements from FLASHBACK_TRANSACTION_QUERY and use them for recovery
相关考题:
She _ the doctor a list of the medical items she needed. A.made … write outB.makes … writes outC.made … wroteD.had made … written
A decision must be ______immediately _______stop the factory ______waste water without being treated.A. made, to, pouringB. made,不填, to pourC. done,不填, pouringD. had, to, to pour
Reducing the gap between rich and poor is one of the main _______ facing the government.A、chancesB、challengesC、chainsD、changes
I ()supper when I()someone knocking at the door.A、made . . . HeardB、made . . .was heardC、was making . . . was hearingD、was making . . . heard
The process of choosing names______ widely from culture to culture.A.shiftsB.variesC.differsD.changes
The price of vegetables varies according to the weather.A: jumpsB: risesC: fallsD: changes