CS6400 FINAL EXAM QUESTIONS WITH
DETAILED VERIFIED ANSWERS 100 PERCENT
CORRECT ANSWERS GRADED A PLUS
◉object modeling is an area in . Answer: software engineering
◉what's EER . Answer: enhanced entity-relationship (also used to stand
for extended entity-relationship
◉EER model includes all the . Answer: modeling concepts of the ER
model. And includes concepts of subclass, superclass, and specialization
and generalization. Can also include category or union types
◉what are category or union types . Answer: used to represent a
collection of objects (entities) that is the union of objects of different
entity types
◉an entity type is used to represent both . Answer: a type of entity and
the entity set or collection of entities of that type (for example entity
EMPLOYEE describes the type of each employee entity, and also refers
to the current set of EMPLOYEE entities in the COMPANY database.
, ◉the set or collection of entities in each of the child groupings is a .
Answer: *subset* of the entities that belong to the parent
◉we call each subgroupings a . Answer: *subclass* or *subtype* of the
parent entity type (e.g. parent: EMPLOYEE; child: SECRETARY,
MANAGER, ETC)
◉we call the relation ship between a superclass and any one of it's
subclasses a . Answer: *superclass/subclass* or *supertype/subtype* or
simply *class/subclass relationship*
◉a subclass member is the same as the entity in the . Answer:
*superclass* but in a distinct specific role
◉what is *type inheritance* . Answer: an entity that is a member of a
subclass *inherits* all the attributes of the entity as a member of the
superclass. The entity, also inherits all the relationships in which the
superclass participates
◉what is specialization . Answer: the process of defining a set of
subclasses of an entity type, this entity type is called the *superclass* of
the specialization. (*top down approach*). For example, the set of
subclasses (SECRETARY, ENGINEER, TECHNICIAN) is a
specialization of the super class EMPLOYEE.
DETAILED VERIFIED ANSWERS 100 PERCENT
CORRECT ANSWERS GRADED A PLUS
◉object modeling is an area in . Answer: software engineering
◉what's EER . Answer: enhanced entity-relationship (also used to stand
for extended entity-relationship
◉EER model includes all the . Answer: modeling concepts of the ER
model. And includes concepts of subclass, superclass, and specialization
and generalization. Can also include category or union types
◉what are category or union types . Answer: used to represent a
collection of objects (entities) that is the union of objects of different
entity types
◉an entity type is used to represent both . Answer: a type of entity and
the entity set or collection of entities of that type (for example entity
EMPLOYEE describes the type of each employee entity, and also refers
to the current set of EMPLOYEE entities in the COMPANY database.
, ◉the set or collection of entities in each of the child groupings is a .
Answer: *subset* of the entities that belong to the parent
◉we call each subgroupings a . Answer: *subclass* or *subtype* of the
parent entity type (e.g. parent: EMPLOYEE; child: SECRETARY,
MANAGER, ETC)
◉we call the relation ship between a superclass and any one of it's
subclasses a . Answer: *superclass/subclass* or *supertype/subtype* or
simply *class/subclass relationship*
◉a subclass member is the same as the entity in the . Answer:
*superclass* but in a distinct specific role
◉what is *type inheritance* . Answer: an entity that is a member of a
subclass *inherits* all the attributes of the entity as a member of the
superclass. The entity, also inherits all the relationships in which the
superclass participates
◉what is specialization . Answer: the process of defining a set of
subclasses of an entity type, this entity type is called the *superclass* of
the specialization. (*top down approach*). For example, the set of
subclasses (SECRETARY, ENGINEER, TECHNICIAN) is a
specialization of the super class EMPLOYEE.
