SET NAMES utf8;
SET time_zone = '+00:00';
SET foreign_key_checks = 0;

DROP DATABASE IF EXISTS `message_sender`;
CREATE DATABASE `message_sender`;
USE `message_sender`;

DROP TABLE IF EXISTS `message`;
CREATE TABLE `message` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `sender_id` int(11) DEFAULT NULL,
  `receiver_id` int(11) DEFAULT NULL,
  `content` longtext COLLATE utf8_bin NOT NULL,
  `sending_date` datetime NOT NULL,
  PRIMARY KEY (`id`),
  KEY `sender_id` (`sender_id`),
  KEY `receiver_id` (`receiver_id`),
  CONSTRAINT `message_user_receiver` FOREIGN KEY (`receiver_id`) REFERENCES `user` (`id`) ON DELETE SET NULL ON UPDATE SET NULL,
  CONSTRAINT `message_user_sender` FOREIGN KEY (`sender_id`) REFERENCES `user` (`id`) ON DELETE SET NULL ON UPDATE SET NULL
) ENGINE=InnoDB AUTO_INCREMENT=52 DEFAULT CHARSET=utf8 COLLATE=utf8_bin;

DROP TABLE IF EXISTS `user`;
CREATE TABLE `user` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `name` varchar(100) COLLATE utf8_bin NOT NULL,
  `password` varchar(100) COLLATE utf8_bin NOT NULL,
  `ip_address` varchar(15) COLLATE utf8_bin NOT NULL,
  `mac_address` varchar(17) COLLATE utf8_bin NOT NULL,
  `signup_date` datetime NOT NULL,
  `login_date` datetime NOT NULL,
  PRIMARY KEY (`id`),
  UNIQUE KEY `mac_address` (`mac_address`)
) ENGINE=InnoDB AUTO_INCREMENT=410 DEFAULT CHARSET=utf8 COLLATE=utf8_bin;