Database update

CREATE TABLE `channels` (
`ChannelName` varchar(45) NOT NULL,
`ViewsPerMonth` varchar(45) DEFAULT NULL,
`Signed` set('yes','no','notknown') DEFAULT NULL,
`Genre` varchar(45) DEFAULT NULL,
`channelURL` varchar(45) DEFAULT NULL,
`Username` varchar(45) NOT NULL,
`searched` varchar(45) DEFAULT NULL,
PRIMARY KEY (`ChannelName`,`Username`),
UNIQUE KEY `ChannelName_UNIQUE` (`ChannelName`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;