数据库 UPDATE多条记录不同值，同时UPDATE多个字段

转自于  http://blog.csdn.net/catoop/article/details/46670911 
/*
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MySQL - 5.5.28 : Database - test
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/*!40014 SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0 */;
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CREATE DATABASE /*!32312 IF NOT EXISTS*/`test` /*!40100 DEFAULT CHARACTER SET utf8 */;

USE `test`;

/*Table structure for table `score` */

DROP TABLE IF EXISTS `score`;

CREATE TABLE `score` (
`id` int(11) NOT NULL AUTO_INCREMENT COMMENT 'ID',
`studentId` int(11) DEFAULT NULL COMMENT '学员ID',
`subjectName` varchar(20) DEFAULT NULL COMMENT '科目名称',
`score` float DEFAULT NULL COMMENT '考试成绩',
`examTime` datetime DEFAULT NULL COMMENT '考试时间',
PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=25 DEFAULT CHARSET=utf8;

/*Data for the table `score` */

insert  into `score`(`id`,`studentId`,`subjectName`,`score`,`examTime`) values (1,1,'语文',70,'2015-02-26 18:11:39'),(2,1,'数学',80,'2015-03-26 18:11:50'),(3,1,'英语',76,'2015-04-26 18:11:56'),(4,1,'历史',96,'2015-05-26 18:12:02'),(5,2,'语文\r\n数学\r\n英语\r\n历史\r\n语文',84,'2015-02-26 18:11:39'),(6,2,'数学',56,'2015-03-26 18:11:50'),(7,2,'英语',86,'2015-04-26 18:11:56'),(8,2,'历史',45,'2015-05-26 18:12:02'),(9,3,'语文',87,'2015-02-26 18:11:39'),(10,3,'数学',98,'2015-03-26 18:11:50'),(11,3,'英语',67,'2015-04-26 18:11:56'),(12,3,'历史',86,'2015-05-26 18:12:02'),(13,4,'语文',97,'2015-02-26 18:11:39'),(14,4,'数学',68,'2015-03-26 18:11:50'),(15,4,'英语',79,'2015-04-26 18:11:56'),(16,4,'历史',83,'2015-05-26 18:12:02'),(17,5,'语文',92,'2015-02-26 18:11:39'),(18,5,'数学',93,'2015-03-26 18:11:50'),(19,5,'英语',65,'2015-04-26 18:11:56'),(20,5,'历史',88,'2015-05-26 18:12:02'),(21,6,'语文',87,'2015-01-05 18:48:48'),(22,6,'数学',67,'2015-01-05 18:48:48'),(23,6,'英语',99,'2015-01-05 18:48:48'),(24,6,'历史',88,'2015-01-05 18:48:48');

/*Table structure for table `student` */

DROP TABLE IF EXISTS `student`;

CREATE TABLE `student` (
`id` int(11) NOT NULL AUTO_INCREMENT COMMENT 'ID',
`name` varchar(20) DEFAULT NULL COMMENT '姓名',
`score_sum` varchar(20) DEFAULT NULL COMMENT '总成绩',
`score_avg` varchar(20) DEFAULT NULL COMMENT '平均成绩',
`age` int(11) DEFAULT NULL COMMENT '1男0女',
PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=utf8;

/*Data for the table `student` */

insert  into `student`(`id`,`name`,`score_sum`,`score_avg`,`age`) values (1,'小明','252','84',1),(2,'小王','187','62.3',1),(3,'莉莉','','',0),(4,'柱子','230','76.7',1),(5,'大毛','','',0),(6,'亮子','0','0',1);

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