CREATE TABLE `fairs` ( `id` int(11) NOT NULL default '0', `fairname` varchar(64) NOT NULL default '0', PRIMARY KEY (`id`) ) TYPE=MyISAM; CREATE TABLE `users_fair` ( `users_id` int(11) NOT NULL default '0', `fairs_id` int(11) NOT NULL default '0', PRIMARY KEY (`users_id`) ) TYPE=MyISAM; ALTER TABLE `users` CHANGE `types` `types` SET( 'student', 'judge', 'committee', 'volunteer', 'fair' ) NOT NULL ;