Rails-test-5

Create a database to store the information below:

School

Name
Address
Type (University, High school, Secondary School, Primary School)

Student:

Name *
DOB * (>=18)
Has many schools

Office Worker (white-collar worker)

Name *
DOB * (>=20)
Years of Experience * (>=0)

Assume:

John and Alex are students in the same school, Robert is a worker. The system must be provide these functions:

john.name
john.age
robert.years_of_exp
john.schoolmates  should include alex

Note: (*) is compulsory.