SQL Project: E-commerce Database - Concepts
Explore the key concepts of sql project: e-commerce database with practical examples and exercises.
45 min•By Priygop Team•Last updated: Feb 2026
Introduction to SQL Project: E-commerce Database
In this section, we cover the fundamental aspects of sql project: e-commerce database. You'll learn core concepts, see real-world examples, and understand how to apply them in your projects.
Key Concepts
- Understanding the core principles of sql project: e-commerce database
- Practical applications and real-world use cases
- Step-by-step implementation guides
- Common patterns and best practices
- Tips for debugging and troubleshooting
- Performance optimization techniques
SQL Project: E-commerce Database - Code Example
Example
-- E-commerce Database Schema
CREATE TABLE customers (
id SERIAL PRIMARY KEY,
name VARCHAR(100) NOT NULL,
email VARCHAR(100) UNIQUE NOT NULL
);
CREATE TABLE products (
id SERIAL PRIMARY KEY,
name VARCHAR(200) NOT NULL,
price DECIMAL(10,2) NOT NULL,
stock INTEGER DEFAULT 0
);
CREATE TABLE orders (
id SERIAL PRIMARY KEY,
customer_id INTEGER REFERENCES customers(id),
total DECIMAL(10,2),
status VARCHAR(20) DEFAULT 'pending',
created_at TIMESTAMP DEFAULT NOW()
);
CREATE TABLE order_items (
id SERIAL PRIMARY KEY,
order_id INTEGER REFERENCES orders(id) ON DELETE CASCADE,
product_id INTEGER REFERENCES products(id),
quantity INTEGER NOT NULL,
price DECIMAL(10,2) NOT NULL
);Try It Yourself: SQL Project: E-commerce Database
Try It Yourself: SQL Project: E-commerce DatabaseJavaScript⚠ 1 error
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