代码如下:
CREATE TABLE `op_day` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`date` date NOT NULL DEFAULT '0000-00-00' COMMENT '日期',
`income` int(11) NOT NULL DEFAULT '0',
`total` int(11) NOT NULL DEFAULT '0',
`income/total` double(11,2) NOT NULL DEFAULT '0.00',
PRIMARY KEY (`id`),
KEY `unique` (`date`)
) ENGINE=InnoDB AUTO_INCREMENT=0 DEFAULT CHARSET=utf8;