Which of the following is NOT one of the ways to define physical foreign keys and joins?

Which of the following is NOT one of the ways to define physical foreign keys and joins?

A.
Crete them using Joins Manage > Action > New > Foreign Key

B.
In the business model and mapping layer, right click the model folder>Physical diagram and navigate to any of the paths

C.
In the physical layer, right-click the database>Physical diagram and navigate to any of the paths that are not grayed out

D.
In the filemenu , Select Create > Joins