How many types of binary relationship?
a) one
b) two
c) three
d) four
Explanation: one-to-one, one-to-many, many-to-many relationships
Which of the following is single entity instance of one type related to a single-entity instance of another type?
a) one-to-one relationship
b) one-to-many relationship
c) many-to-many relationship
d) composite relationship
Which of the following is single entity instance of one type related to many entity instances of another type?
a) one-to-one relationship
b) one-to-many relationship
c) many-to-many relationship
d) composite relationship
Which of the following is many entity instances
of one type related to many entity instances of another type?
a) one-to-one relationship
b) one-to-many relationship
c) many-to-many relationship
d) composite relationship
Which of the following is an example of one-to-one relationship?
a) student-reg no
b) person-automobile
c) mother-daughter
d) person-mobile no
Which of the following is an example of one-to-many relationship?
a) student-reg no
b) person-automobile
c) mother-daughter
d) both b & c
