What is single occurrence of an entity is called?
a) entity
b) attribute
c) relationship
d) entity instance
The property or characteristics of an entity is called………
a) entity
b) attribute
c) relationship
d) none of these
What is the meaningful association among entities is called?
a) entity
b) attribute
c) relationship
d) none of these
The number of participating entities in a relationship is known as……
a) entity
b) attribute
c) degree of relationship
d) none of these
How many types of relationship?
a) one
b) two
c) three
d) four
Explanation: unary relationship, binary relationship, ternary relationship
Unary
relationship is also called……
a) recursive relationship
b) repeated relationship
c) owned relationship
d) all of these