What three are true about Oracle Flashback technology? (Choose three.)
A. FLASHBACK TRANSACTION can be used to undo the changes made by a committed transaction.
B. FLASHBACK TABLE can be used to rewind a table back in time.
C. FLASHBACK DATABASE can be used to rewind a database back and forth in time.
D. FLASHBACK TABLE can be used to undo dropping a column from a table.
E. FLASHBACK QUERY can be used to view committed data at any given point in time.
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