-- use DeliveryTakingSystem; CREATE TABLE `user` ( `id` int(11) NOT NULL AUTO_INCREMENT, `username` varchar(20) DEFAULT NULL, `password` varchar(20) DEFAULT NULL, `phone` varchar(20) DEFAULT NULL, PRIMARY KEY (`id`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4; CREATE TABLE `order` ( `id` int(11) NOT NULL AUTO_INCREMENT, `description` text, `when` datetime DEFAULT NULL, `location` text, `senderId` int(11) DEFAULT NULL, `receiverId` int(11) DEFAULT NULL, `price` int(11) DEFAULT NULL, `status` varchar(20) DEFAULT NULL, `comment` text, `timestamp` datetime DEFAULT NULL, PRIMARY KEY (`id`), KEY `fk_senderId` (`senderId`), CONSTRAINT `fk_senderId` FOREIGN KEY (`senderId`) REFERENCES `user` (`id`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;