The QueueDetail entity type must inherit from the InboundQueue entity type in the ExternalQueue service project using table-per-type inheritance.
You need to modify the entities in the designer.
What should you do? (Each correct answer presents part of the solution. Choose all that apply.)
A . Remove the OrderNum property in InboundQueue.
B . Remove the OrderNum property in QueueDetail.
C . Set the QueueDetail BaseType to InboundQueue.
D . Remove the association between the entities.
E . Right-click the entities and validate the table mapping.
F . Set the InboundQueue BaseType to QueueDetail.
Answer: B,C,D,E
Explanation: http://www.robbagby.com/entity-framework/entity-framework-modeling-table-pertype-inheritance/