Database schema for Online Food Ordering and Delivery System

Designing a database schema for an Online Food Ordering and Delivery System involves capturing information related to users, restaurants, orders, menus, and other relevant entities. Below is a basic example of a database schema for such a system.

Entities:

  1. User:

    • UserID (Primary Key)
    • FirstName
    • LastName
    • Username
    • PasswordHash
    • Email
    • PhoneNumber
    • Address

  2. Restaurant:

    • RestaurantID (Primary Key)
    • Name
    • Description
    • CuisineType
    • Address
    • PhoneNumber

  3. Menu:

    • ItemID (Primary Key)
    • RestaurantID (Foreign Key referencing Restaurant table)
    • ItemName
    • Description
    • Price

  4. Order:

    • OrderID (Primary Key)
    • UserID (Foreign Key referencing User table)
    • OrderDate
    • TotalAmount
    • DeliveryAddress
    • Status (e.g., pending, confirmed, in delivery, delivered)

  5. OrderItem:

    • OrderItemID (Primary Key)
    • OrderID (Foreign Key referencing Order table)
    • ItemID (Foreign Key referencing Menu table)
    • Quantity
    • Subtotal

  6. DeliveryPerson:

    • DeliveryPersonID (Primary Key)
    • FirstName
    • LastName
    • PhoneNumber
    • VehicleNumber

  7. DeliveryAssignment:

    • AssignmentID (Primary Key)
    • OrderID (Foreign Key referencing Order table)
    • DeliveryPersonID (Foreign Key referencing DeliveryPerson table)
    • AssignmentTime
    • CompletionTime
    • Status (e.g., assigned, in progress, completed)

  8. Review:

    • ReviewID (Primary Key)
    • OrderID (Foreign Key referencing Order table)
    • UserID (Foreign Key referencing User table)
    • Rating
    • Comment
    • ReviewDate

This schema covers the basic entities needed for an Online Food Ordering and Delivery System. Here are some explanations:

  • Users have personal information stored, including their username, password hash, email, phone number, and address.
  • Restaurants are listed with details like name, description, cuisine type, address, and phone number.
  • Menus consist of items associated with specific restaurants, with details like item name, description, and price.
  • Orders are placed by users, indicating the order date, total amount, delivery address, and order status.
  • OrderItems link items from the menu to orders, specifying the quantity and subtotal for each item.
  • DeliveryPersons are individuals responsible for delivering orders, with details like name, phone number, and vehicle number.
  • DeliveryAssignments track the assignments of delivery persons to specific orders, including assignment time, completion time, and status.
  • Reviews allow users to provide feedback on orders, including ratings, comments, and review date.

Depending on the specific requirements of your Online Food Ordering and Delivery System, you may need to expand or modify this schema. Consider additional features such as real-time tracking, payment information, promotions, or any other information relevant to your online food delivery platform. Additionally, ensure that your system follows best practices for security and addresses data privacy concerns.