Which of the following refers to something that can be identified
in the user’s work environment, something that the user wants to track?
a) entity
b) attribute
c) identifier
d) relationship
Logical representation of data in an organization is called……
a) E-R model
b) attribute model
c) conceptual model
d) none of these
Explanation: E-R stand for Entity Relationship model
Which of the following are advantages of E-R model?
a) conceptual simplicity
b) visual representation
c) effective communication tool
d) all of these
The properties that describe the entity characteristics are called……
a) entity
b) attribute
c) identifier
d) relationship
Attributes that name, or identify, entity instances are called……
a) entity
b) attribute
c) identifier
d) relationship
Customers, cars, and parts are examples of……
a) entity
b) attribute
c) cardinals
d) relationship
