678.Which are the two prerequisites before setting up Flashback Data Archive? (Choose two.)
A.Flash recovery area must be defined
B.Undo retention guarantee must be enabled.
C.Database must be running in archivelog mode.
D.Automatic undo management must be enabled.
E.The tablespace in which the Flashback Data Archive is created must have automatic segment space Management (ASSM).
正确答案是DE