【多选题】
A A table's constraints must be disabled before issuing the flashback.
B The FLASHBACK ANY TABLE system privilege or the FLASHBACK object privilege mustbe 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 mustbe granted to the table owner.
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