`` varchar(1) NOT NULL COMMENT The  of the user,
`created_at` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
`spare` varchar(255) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8;

  CREATE TABLE `talks` (
  `sId` varchar(255) NOT NULL,
  `dId` varchar(255) NOT NULL,
  `msg` text NOT NULL,
  `s` varchar(1) DEFAULT NULL,
  `d` varchar(1) DEFAULT NULL,
  `created_at` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`created_at`)
  ) ENGINE=MyISAM DEFAULT CHARSET=utf8;