ERD Homework

For the below two examples, identify the main entities and the related relationships

A college runs many courses. A student can enrol on many courses. Each course has one course co-ordinator but may be taught by many lecturers.

A car hire firm wants to introduce a computer system in order to keep track of its fleet of cars, its customers and details of car hirings. Each car belongs to a hire price band. A car remains in that price band for the duration of its life. The company would like to know which model of car is the most popular.