Central London Office Workers & Buildings

What is a many-to-many relationship?

• A relationship where one entity is related to multiple entities.

• A relationship where multiple entities are related to multiple entities.

• A relationship where multiple entities are related to one entity.

• A relationship where one entity is related to one entity.

In which scenario is a many-to-many relationship most applicable?

• When a book is written by a single author.

• When a teacher teaches only one class.

• When a company has only one employee.

• When a single student enrolls in multiple courses.