You are setting up the topology for an infrastructure with three different environments: Dev, QA, and Prod. How
must you create Logical Schemas? (Choose the best answer.)
A.
Create one Logical Schema per Physical Schema.
B.
Create one Logical Schema per Physical Schema that stores the same type of data.
C.
Create one Logical Schema per Data Server.
D.
Create one Logical Schema per Context.
Explanation:
(https://docs.oracle.com/middleware/1213/odi/develop/setup_topology.htm#ODIDG174)