What does the number of entities in relationship is called?
a) cardinality
b) degree of relationship
c) derived entity
d) multi-value entity
Which of the following relationship exist between the instances of same entity?
a) unary relationship
b) ternary relationship
c) binary relationship
d) all of these
Which of the following relationship exist between the instances of two entities?
a) unary relationship
b) ternary relationship
c) binary relationship
d) all of these
Which of the following relationship exist between the instances of three entities?
a) unary relationship
b) ternary relationship
c) binary relationship
d) all of these
Which of the following symbol is used for one-to-one relationship?
a) || -----||
b) ||------o
c)
d) none of these
Which of the following symbol is used for one-to-many relationship?
a) || -----||
b) ||------o
c)
d) none of these