Overlapping and disjoint subtypes have different approaches on how the – McqOptions

MCQOPTIONS

1.	Overlapping and disjoint subtypes have different approaches on how the subtype discriminator is applied.
A.	1
B.
C.	1
D.
Answer» B.

Discussion

No Comment Found

Related MCQs

If an entity adheres to the disjoint rule, then an entity instance can be a member of more than one entity for a given supertype.
Total specialization is represented by double lines between the supertype and subtype on an EER.
A supertype is an entity type that shares common attributes or relationships distinct from other subgroupings.
It is appropriate to use a supertype/subtype relationship when there are attributes that apply to some of the instances of an entity type.
Action assertions have traditionally been implemented within an application program.
An entity cluster is a set of one or more entity types and associated relationships.
An ERD that has had the entities clustered will display more entities.
An entity instance of a subtype represents the same entity instance of a supertype.
There is cardinality on an EER between the supertype and subtype.
Specialization is which of the following processes?