Question 6 :
Overlapping and disjoint subtypes have different approaches on how the subtype discriminator is applied.
Question 7 :
An entity instance of a subtype represents the same entity instance of a supertype.
Question 8 :
A supertype is an entity type that shares common attributes or relationships distinct from other subgroupings.
Question 9 :
An ERD that has had the entities clustered will display more entities.
Question 10 :
Total specialization is represented by double lines between the supertype and subtype on an EER.