Design a database schema for an online merch store

Designing a database schema for an online merch store involves identifying the entities and relationships within the system. Below is a simplified example of a database schema for such a store. Please note that the actual requirements may vary, and this is just a starting point.

Entities:

  1. User:
    • UserID (Primary Key)
    • FirstName
    • LastName
    • Email
    • Password
    • Address
    • PhoneNumber
  2. Product:
    • ProductID (Primary Key)
    • Name
    • Description
    • Price
    • StockQuantity
    • CategoryID (Foreign Key referencing Category)
  3. Category:
    • CategoryID (Primary Key)
    • CategoryName
  4. Order:
    • OrderID (Primary Key)
    • UserID (Foreign Key referencing User)
    • OrderDate
    • TotalAmount
  5. OrderItem:
    • OrderItemID (Primary Key)
    • OrderID (Foreign Key referencing Order)
    • ProductID (Foreign Key referencing Product)
    • Quantity
    • Subtotal
  6. Cart:
    • CartID (Primary Key)
    • UserID (Foreign Key referencing User)
  7. CartItem:
    • CartItemID (Primary Key)
    • CartID (Foreign Key referencing Cart)
    • ProductID (Foreign Key referencing Product)
    • Quantity

This schema represents the basic structure of an online merch store. Here are some explanations:

  • Users can have multiple orders, and each order is associated with a user.
  • Products belong to a category, and each product can be part of multiple orders or cart items.
  • Categories help organize products.
  • Orders have order items, which represent the products and quantities ordered.
  • Users can have a shopping cart (Cart), and cart items represent the products and quantities in the cart.

Remember, this is a simplified example, and depending on the specific requirements of your online merch store, you may need to expand or modify the schema. Consider additional features like product reviews, wishlists, discounts, and shipping information based on your business needs.

Build an Ecommerce Database Schema | by John Linatoc | Medium

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