When relationship exists between two entities is called?
a) binary relationship
b) unary relationship
c) ternary relationship
d) none of these
How many types of binary relationship?
a) one
b) two
c) three
d) four
Explanation: one-to-one relationship, one-to-many relationship, many-to-many relationship
One instance of entity A is associated with another instance of entity B is called………
a) one-to-one relationship
b) one-to-many relationship
c) many-to-many relationship
d) none of these
One instance of entity A is associated with zero, one or many instances of entity B is called…
a) one-to-one relationship
b) one-to-many relationship
c) many-to-many relationship
d) none of these
One instance of entity A is associated with zero, one or many instances of entity B and One instance of entity B is associated with zero, one or many instances of entity A is called…
a) one-to-one relationship
b) one-to-many relationship
c) many-to-many relationship
d) none of these
Which of the
following relationship exist, when three entities are associated?
a) one-to-one relationship
b) one-to-many relationship
c) many-to-many relationship
d) ternary relationship
