You have a database that contains a table named Customers and a table named Orders. The Orders table contains a CustomerID foreign key. You need to create an association between the Customers entity and the Orders entity in the BDC.

What should you do?

A.
Create one application definition file.
Add an association element that has a source entity of Orders and a destination of Customers

B.
Create one application definition file.
Add an association element that has a source entity of Customers and a destination of Orders

C.
Create an application definition file for the Customer entity
Create an application definition file for the Orders entity
In the Customer entity application file, add an association element that has a source element of Orders and a destination of Customers

D.
Create an application definition file for the Customer entity
Create an application definition file for the Orders entity
In the Orders entity application file, add an association element that has a source element of Customers and a destination of Orders