Question

If STUDENT and COURSE participate in a relationship, this is an example of a(n):


a) ternary relationship.

b) binary relationship.

c) extraordinary relationship.

d) coupled relationship.

e) unary relationship.

Answer 1

If student and course participate, that relationship is called a Binary Relationship

Explanation:

Binary Entity:

it can be defined as the relationship between 2 different entities.

The binary entity is of 3 types namely

• one to one (eg: person and diving license)
• one to many ( eg: project and employee )

• many to many (eg: student and books)

The binary  of teacher and subject can be explained by

teacher → teaches → subject