Question

Find out databases with different relations and relationships.

Answer 1

Database	Relations / Tables	Relationship
School Database	Student, Class	One-to-Many
Library Database	Member, Book	Many-to-Many
Bank Database	Customer, Account	One-to-Many
Hospital Database	Patient, Doctor	Many-to-Many
Employee Database	Employee, ID Card	One-to-One

Types of relationships:

1. One-to-One: One record in a table is related to only one record in another table.
2. One-to-Many: One record in a table can be related to many records in another table.
3. Many-to-Many: Many records in one table can be related to many records in another table.