sql lab 1

create.sql

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+CREATE DATABASE IF NOT EXISTS lab_mysql;
+
+USE lab_mysql;
+
+CREATE TABLE cars (
+    id INT AUTO_INCREMENT PRIMARY KEY,
+    car_id VARCHAR(20) UNIQUE,
+    make VARCHAR(50),
+    model VARCHAR(50),
+    year INT,
+    price decimal(10,2),
+	available BOOLEAN DEFAULT TRUE
+);
+CREATE TABLE customers (
+	id INT AUTO_INCREMENT PRIMARY KEY,
+    customer_id VARCHAR(20) UNIQUE,
+    first_name VARCHAR(50),
+    last_name VARCHAR(50),
+    email VARCHAR(100),
+    phone VARCHAR(20),
+    address TEXT
+);
+CREATE TABLE salespersons (
+	id INT AUTO_INCREMENT PRIMARY KEY,
+    staff_code VARCHAR(20) UNIQUE,
+    first_name VARCHAR(50),
+    last_name VARCHAR(50),
+    email VARCHAR(100),
+    phone VARCHAR(20)
+);
+CREATE TABLE invoices (
+    invoice_id INT AUTO_INCREMENT PRIMARY KEY,
+    car_id INT,
+    customer_id INT,	
+    salesperson_id INT,
+    sale_date DATE,
+    sale_price DECIMAL(10, 2),
+    FOREIGN KEY (car_id) REFERENCES cars(id),
+    FOREIGN KEY (customer_id) REFERENCES customers(id),
+    FOREIGN KEY (salesperson_id) REFERENCES salespersons(id)
+);

seeding.sql

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+USE lab_mysql;
+
+-- Cars
+INSERT INTO cars (make, model, year, price, available)
+VALUES 
+('Toyota', 'Yaris', 2020, 24000.00, TRUE),
+('Honda', 'Civic', 2021, 22000.00, TRUE),
+('Ford', 'Focus', 2019, 26000.00, FALSE);
+
+-- Customers
+INSERT INTO customers (first_name, last_name, email, phone, address)
+VALUES 
+('John', 'Smith', '[email protected]', '617788998', '1 Lakeside Road'),
+('Max', 'Pisolkar', '[email protected]', '616524865', '2 Fox Lane');
+
+-- Salespersons
+INSERT INTO salespersons (first_name, last_name, email, phone)
+VALUES 
+('Harry', 'Kane', '[email protected]', '88877555'),
+('Brennan', 'Johnson', '[email protected]', '99988777');
+
+-- Invoices
+INSERT INTO invoices (car_id, customer_id, salesperson_id, sale_date, sale_price)
+VALUES 
+(1, 1, 1, '2025-05-25', 24000.00),
+(2, 2, 2, '2025-05-26', 22000.00);