https://github.com/veddonda/myshop

This is a repository for Online Store Database (Myshop).
https://github.com/veddonda/myshop

postgresql sql

Last synced: 12 months ago
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This is a repository for Online Store Database (Myshop).

• Host: GitHub
• URL: https://github.com/veddonda/myshop
• Owner: VedDonda
• Created: 2025-06-26T03:09:22.000Z (about 1 year ago)
• Default Branch: main
• Last Pushed: 2025-06-26T03:35:33.000Z (about 1 year ago)
• Last Synced: 2025-06-26T04:20:01.233Z (about 1 year ago)
• Topics: postgresql, sql
• Language: PLpgSQL
• Homepage:
• Size: 321 KB
• Stars: 0
• Watchers: 0
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

          
## 🛒 MyShop Database (PostgreSQL)

This project contains a normalized PostgreSQL database schema for an **Online Store**. The database supports essential e-commerce functionality including user management, product listing, discount handling, shopping cart and order processing, and payment tracking.

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### 📁 File Structure

| File Name       | Description                                                                                                                                       |

| --------------- | ------------------------------------------------------------------------------------------------------------------------------------------------- |

| `schema.sql`    | Contains the full schema: tables, fields, relationships, constraints, and indexes.                                                                |

| `functions.sql` | Includes stored functions for business logic (e.g., stock updates, total cost calculations).                                                      |

| `triggers.sql`  | Contains trigger functions and trigger definitions to ensure data integrity and automate tasks (e.g., setting timestamps, enforcing stock rules). |

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### 🧩 Features

* **User & Vendor Management**

  Users can register as customers or vendors with role-based differentiation.

* **Shops & Products**

  Vendors can manage shops and product listings, including price and inventory.

* **Discount Handling**

  Products support time-bound percentage-based discounts.

* **Cart & Orders**

  Users can add products to carts, place orders, and track delivery status.

* **Payments**

  Orders are linked with payments, supporting method tracking and timestamps.

* **Data Integrity**

  Enforced through constraints, foreign keys, and PostgreSQL triggers.

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### 🧪 Example Use Cases

* Add a new product to a vendor’s shop.

* Apply a discount to a product and query the final selling price.

* Automatically update stock when an order is placed.

* Calculate total order value using a function that considers discounts.

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### 🧠 Skills & Concepts Used

* PostgreSQL SQL and PL/pgSQL

* Relational Database Design (Normalization, Foreign Keys)

* Triggers and Stored Procedures

* Time-based logic and constraints

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