You are upgrading a metadata repository in an Oracle Application Server 10g (9.0.4) system to
Oracle Application Server 10g (10.1.2). Which three key operations occur as part of this upgrade?
(Choose three.)
A.
The new schemas are created.
B.
The existing schemas are re-created.
C.
The existing schemas are upgraded.
D.
The directory representation of the metadata repository is upgraded,
E.
A new tablespace is created to store all the existing schema objects.