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  • Mysql 列转行统计查询 、行转列统计查询

    -- ----------------------------
    -- Table structure for `TabName`
    -- ----------------------------
    DROP TABLE IF EXISTS `TabName`;
    CREATE TABLE `TabName` (
      `Id` int(11) NOT NULL AUTO_INCREMENT,
      `Name` varchar(20) DEFAULT NULL,
      `Date` date DEFAULT NULL,
      `Scount` int(11) DEFAULT NULL,
      PRIMARY KEY (`Id`)
    ) ENGINE=InnoDB AUTO_INCREMENT=9 DEFAULT CHARSET=utf8;
    
    -- ----------------------------
    -- Records of TabName
    -- ----------------------------
    INSERT INTO `TabName` VALUES ('1', '小说', '2013-09-01', '10000');
    INSERT INTO `TabName` VALUES ('2', '微信', '2013-09-01', '20000');
    INSERT INTO `TabName` VALUES ('3', '小说', '2013-09-02', '30000');
    INSERT INTO `TabName` VALUES ('4', '微信', '2013-09-02', '35000');
    INSERT INTO `TabName` VALUES ('5', '小说', '2013-09-03', '31000');
    INSERT INTO `TabName` VALUES ('6', '微信', '2013-09-03', '36000');
    INSERT INTO `TabName` VALUES ('7', '小说', '2013-09-04', '35000');
    INSERT INTO `TabName` VALUES ('8', '微信', '2013-09-04', '38000');
    
    
    -- ------------------------
    -- 查看数据
    -- ------------------------
    SELECT  * from TabName ;
    
    -- ------------------------
    -- 列转行统计数据
    -- ------------------------
    SELECT Date ,
    MAX(CASE NAME WHEN '小说' THEN Scount ELSE 0 END ) 小说,
    MAX(CASE NAME WHEN '微信' THEN Scount ELSE 0 END ) 微信 
    FROM TabName  
    GROUP BY Date  

    
    

      

    -- ------------------------
    -- 行转列统计数据
    -- ------------------------

    select Date, group_concat(NAME,'总量:',Scount) as b_str from TabName group by Date
    
    
    
    select Date,NAME, group_concat(NAME,'总量:',Scount) as b_str from   TabName 
     group by Date ,NAME
    

      

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  • 原文地址:https://www.cnblogs.com/lhj588/p/3315876.html
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