Which are the prerequisites for performing flashback transactions on your database?

Which are the prerequisites for performing flashback transactions on your database?
(Choose all that apply.)

Which are the prerequisites for performing flashback transactions on your database?
(Choose all that apply.)

A.
Supplemental log must be enabled for the primary key.

B.
Undo retention guarantee for the database must be configured.

C.
Supplemental log must be enabled.

D.
Execute permission on the DBMS_FLASHBACK package must be granted to the user.



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