CREATE TABLE `mt_viewed` (
`id` int(11) NOT NULL,
`product_id` int(11) NOT NULL,
`PHPSESSID` varchar(32) NOT NULL,
`putdate` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
PRIMARY KEY (`id`),
UNIQUE KEY `product_id` (`product_id`,`PHPSESSID`,`putdate`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8;