-- PostgreSQL Production Database Backup
-- Database: production_db
-- Created: 2025-01-15

-- Create Users Table
CREATE TABLE users (
    id SERIAL PRIMARY KEY,
    name VARCHAR(100) NOT NULL,
    email VARCHAR(100) UNIQUE NOT NULL,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);

-- Insert Sample Data
INSERT INTO users (name, email) VALUES 
    ('John Doe', 'john.doe@example.com'),
    ('Jane Smith', 'jane.smith@example.com'),
    ('Bob Johnson', 'bob.johnson@example.com'),
    ('Alice Williams', 'alice.williams@example.com'),
    ('Charlie Brown', 'charlie.brown@example.com');

-- Create Products Table
CREATE TABLE products (
    id SERIAL PRIMARY KEY,
    product_name VARCHAR(200) NOT NULL,
    price DECIMAL(10, 2) NOT NULL,
    stock_quantity INTEGER DEFAULT 0,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);

-- Insert Product Data
INSERT INTO products (product_name, price, stock_quantity) VALUES 
    ('Laptop', 999.99, 50),
    ('Mouse', 29.99, 200),
    ('Keyboard', 79.99, 150),
    ('Monitor', 299.99, 75),
    ('Headphones', 149.99, 100);

-- Create Orders Table
CREATE TABLE orders (
    id SERIAL PRIMARY KEY,
    user_id INTEGER REFERENCES users(id),
    product_id INTEGER REFERENCES products(id),
    quantity INTEGER NOT NULL,
    total_amount DECIMAL(10, 2) NOT NULL,
    order_date TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);

-- Insert Order Data
INSERT INTO orders (user_id, product_id, quantity, total_amount) VALUES 
    (1, 1, 1, 999.99),
    (2, 2, 2, 59.98),
    (3, 3, 1, 79.99),
    (4, 4, 1, 299.99),
    (5, 5, 2, 299.98);

-- Create Indexes
CREATE INDEX idx_users_email ON users(email);
CREATE INDEX idx_products_name ON products(product_name);
CREATE INDEX idx_orders_user_id ON orders(user_id);
CREATE INDEX idx_orders_product_id ON orders(product_id);

-- End of backup