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.
Explanation:
http://www.robbagby.com/entity-framework/entity-framework-modeling-tableper-typeinheritance/