text: DROP TABLE IF EXISTS `user`;
  DROP TABLE IF EXISTS `tweet`;
  DROP TABLE IF EXISTS `follow`;
  
  CREATE TABLE `user` (
    `id` int(11) NOT NULL,
    `name` varchar(256) NOT NULL,
    `email` varchar(256) NOT NULL,
    `salt` varchar(64) NOT NULL,
    `passhash` varchar(64) NOT NULL,
    `created_at` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
    `updated_at` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    PRIMARY KEY (`id`)
  ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
  CREATE TABLE `tweet` (
    `id` int(11) NOT NULL AUTO_INCREMENT,
    `user_id` int(11) NOT NULL,
    `content` text NOT NULL,
    `created_at` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
    `updated_at` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    PRIMARY KEY (`id`)
  ) ENGINE=InnoDB AUTO_INCREMENT=225050 DEFAULT CHARSET=utf8mb4;
  CREATE TABLE `follow` (
    `user_id` int(11) NOT NULL,
    `follow_id` int(11) NOT NULL,
    `created_at` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
    `updated_at` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    PRIMARY KEY (`user_id`,`follow_id`)
  ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
  