Question

The primary key of the new relation in a many-to-many relationship is a composite key comprised of the primary keys of each of the binary entities.
A.TRUE
B.FALSE

Answer 1

Let's consider two relations Student and Course
Student can apply for multiple courses
And a course can be enrolled by many students
In this case student if can't identify rows uniquely
neither can course I'd
hence we need both
Ans: TRUE

Answer 2

Hi there,

The primary key of the new relation in a many-to-many relationship is a composite key comprised of the primary keys of each of the binary entities.

A.TRUE