Choose two.
Which two are prerequisites for using FLASHBACK TABLE?
A.A table's constraints must be disabled before issuing the flashback. B.The FLASHBACK ANY TABLE system privilege or the FLASHBACK object privilege must be granted to the user performing the flashback. C.Row Movement must be enabled on the table being flashed back. D.A table's indexes must be set to unusable before issuing the flashback. E.The FLASHBACK ANY TABLE system privilege or the FLASHBACK object privilege must be granted to the table owner.正确答案BC