Question

Select ONE organization For your project
Identify the entities and their attributes
Identify the degree of their relationship
Identify their cardinalities

Answer 1

Organization: Apple Inc.

Entities and their attributes:

1. Employees
- Employee ID (PK)
- Name
- Department
- Salary
- Position

2. Products
- Product ID (PK)
- Name
- Description
- Price
- Category

3. Customers
- Customer ID (PK)
- Name
- Address
- Email
- Phone number

Degree of relationships:

1. Employees can work on multiple products.
2. Products can be worked on by multiple employees.
3. Customers can purchase multiple products.
4. Products can be purchased by multiple customers.

Cardinalities:

1. Employees (1) ----- (0 or more) Products
- One employee can work on zero or more products.
- A product can have one or more employees working on it.

2. Products (1) ----- (0 or more) Employees
- One product can be worked on by zero or more employees.
- An employee can work on one or more products.

3. Customers (0 or more) ----- (0 or more) Products
- A customer can purchase zero or more products.
- A product can be purchased by zero or more customers.

4. Products (0 or more) ----- (0 or more) Customers
- A product can be purchased by zero or more customers.
- A customer can purchase zero or more products.