CREATE TABLE IF NOT EXISTS `dns_slave` ( `id` int(10) unsigned NOT NULL auto_increment, `sys_userid` int(11) unsigned NOT NULL DEFAULT '0', `sys_groupid` int(11) unsigned NOT NULL DEFAULT '0', `sys_perm_user` varchar(5) NOT NULL DEFAULT '', `sys_perm_group` varchar(5) NOT NULL DEFAULT '', `sys_perm_other` varchar(5) NOT NULL DEFAULT '', `server_id` int(11) NOT NULL default '1', `origin` varchar(255) NOT NULL DEFAULT '', `ns` varchar(255) NOT NULL DEFAULT '', `active` enum('N','Y') NOT NULL DEFAULT 'N', `xfer` varchar(255) NOT NULL DEFAULT '', PRIMARY KEY (`id`), KEY `origin` (`origin`), KEY `active` (`active`) ) ENGINE=MyISAM DEFAULT CHARSET=utf8 AUTO_INCREMENT=1 ; ALTER TABLE `dns_slave` DROP INDEX `origin`; ALTER TABLE `dns_slave` ADD CONSTRAINT `slave` UNIQUE (`origin`,`server_id`);