Question

1. Draw data models for the following entities:

• Movie (title, producer, length, director, genre)

• Ticket (price, adult or child, showtime, movie)

• Patron (name, adult or child, age)

2. Draw a data model for the following entities, considering the entities as representing a system for a patient billing system and including only the attributes that would be appropriate for this context:

• Patient (age, name, hobbies, blood type, occupation, insurance carrier, address, phone)

• Insurance carrier (name, number of patients on plan, address, contact name, phone)

• Doctor (specialty, provider identification number, golf handicap, age, phone, name)

Answer 1

To draw data models for the given entities, you can represent each entity as a table with its corresponding attributes.

Step-by-step explanation:

Data Models for Entities:

1. Movie
   - title: string
   - producer: string
   - length: integer
   - director: string
   - genre: string
   
   Example: Movie(title='Inception', producer='Christopher Nolan', length=148, director='Christopher Nolan', genre='Action')
2. Ticket
   - price: decimal
   - age: string
   - showtime: datetime
   - movie: foreign key to Movie entity
   
   Example: Ticket(price=15.99, age='Adult', showtime='2022-05-01 19:00', movie='Inception')
3. Patron
   - name: string
   - age: string
   
   Example: Patron(name='John Doe', age='25')

Data Model for Patient Billing System:

1. Patient
   - age: integer
   - name: string
   - insurance carrier: string
   - address: string
   - phone: string
   
   Example: Patient(age=30, name='Jane Smith', insurance carrier='ABC Insurance', address='123 Main St', phone='555-1234')
2. Insurance Carrier
   - name: string
   - number of patients on plan: integer
   - address: string
   - phone: string
   
   Example: Insurance Carrier(name='XYZ Insurance', number of patients on plan=500, address='456 Broadway', phone='555-5678')
3. Doctor
   - specialty: string
   - provider identification number: string
   - age: integer
   - phone: string
   
   Example: Doctor(specialty='Cardiology', provider identification number='12345', age=45, phone='555-7890')