Entities and Attributes of the Ride-Sharing and Carpooling Services
Entities serve as the building blocks of our database and representing the fundamental objects or concepts that need to be stored and managed. Attributes are the properties which we want to store information about the each entity. Let’s explore each entity and attribute in detail:
1. User
- user_id (Primary Key): Unique identifier for each user.
- username: Username of the user.
- email: Email address of the user.
- password: Encrypted password of the user.
- role: Role of the user (driver or passenger).
2. Ride
- ride_id (Primary Key): Unique identifier for each ride.
- driver_id (Foreign Key referencing User): Identifier of the driver offering the ride.
- origin: Starting point of the ride.
- destination: Destination point of the ride.
- departure_time: Date and time of the ride departure.
- available_seats: Number of available seats in the vehicle.
3. Booking
- booking_id (Primary Key): Unique identifier for each booking.
- ride_id (Foreign Key referencing Ride): Identifier of the ride being booked.
- passenger_id (Foreign Key referencing User): Identifier of the passenger booking the ride.
- booking_time: Date and time when the booking was made.
- status: Status of the booking (e.g., confirmed, canceled).
4. Payment
- payment_id (Primary Key): Unique identifier for each payment.
- booking_id (Foreign Key referencing Booking): Identifier of the booking for which the payment is made.
- amount: Amount paid for the ride.
- payment_time: Date and time when the payment was made.
5. Review
- review_id Primary Key): Unique identifier for each review.
- ride_id (Foreign Key referencing Ride): Identifier of the ride being reviewed.
- passenger_id (Foreign Key referencing User): Identifier of the passenger leaving the review.
- rating: Rating given by the passenger for the ride (e.g., 1 to 5 stars).
- comment: Optional comment left by the passenger.
How to Design a Database for Ride-Sharing and Carpooling Services
Ride-sharing and carpooling services have become widely popular because of their convenience and affordability. To effectively manage such services a well-designed relational database is essential. They offer a convenient, cost-effective and environmentally friendly alternative to traditional transportation methods.
This article will explore the key components involved in designing a database for ride-sharing and carpooling services, including the entities User, Ride, Booking, Payment, and Review.