The three metadata layers are an important concept of the BI Server. Which statement is
incorrect?
A.
Thepresentation layer defines the relationship thatis needed to create the DML
B.
The physical layer defines the objects and relationships that the OracleBIServer needs to
writenative queries against each physical data source.
C.
Separating the logical of the application from the physical model provides the ability to
federate multiple physical sources to the same logical object.
D.
The model and mapping layer define the business or logical model of the data. This layer
determines the analytic behavior seen by users.