CREATE TABLE IF NOT EXISTS `applications` (
  `id` INT AUTO_INCREMENT PRIMARY KEY,
  `farmer_id` INT NOT NULL,
  `scheme_id` INT NOT NULL,
  `application_date` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  FOREIGN KEY (`farmer_id`) REFERENCES `farmers`(`id`) ON DELETE CASCADE,
  FOREIGN KEY (`scheme_id`) REFERENCES `schemes`(`id`) ON DELETE CASCADE,
  UNIQUE KEY `farmer_scheme_unique` (`farmer_id`, `scheme_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;