CREATE TABLE IF NOT EXISTS `vehicles` (
  `id` INT AUTO_INCREMENT PRIMARY KEY,
  `license_plate` VARCHAR(255) NOT NULL,
  `model` VARCHAR(255) NOT NULL,
  `current_mileage` INT,
  `assigned_driver` VARCHAR(255),
  `next_service_due` DATE,
  `photo` VARCHAR(255) NULL,
  `last_maintenance_date` DATE NULL,
  `created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);