SqlServer_select-多次sum查询结果合并;
2014-03-29 09:09
351 查看
=>背景介绍
->tableSales表
->第一次查询(2013销售员销售总额)
select salesName, sum(extendedPrice) as sumprice13 from tableSales where salesTime between '2013-01-01' and '2013-12-31' group by salesName
->第二次查询(2014销售员销售总额)
select salesName, sum(extendedPrice) as sumprice14 from tableSales where salesTime between '2014-01-01' and '2014-12-31' group by salesName
->如何获得销售员13、14年的销售总额?
A、首先,我想到的就是用union all,但不理想;
select salesName, sum(extendedPrice) as sumprice13, null as sumprice14 from tableSales where salesTime between '2013-01-01' and '2013-12-31' group by salesName
union all
select salesName, null as sumprice13, sum(extendedPrice) as sumprice14 from tableSales where salesTime between '2014-01-01' and '2014-12-31' group by salesName
B最后,通过fredrickhu版主大大的指点,修改如下:
SELECT
a.salesName, a.sumprice13, b.sumprice14
FROM
(SELECT
salesName, SUM(extendedPrice) AS sumprice13
FROM
tableSales
WHERE
salesTime BETWEEN '2013-01-01' AND '2013-12-31'
GROUP BY
salesName
) AS a
INNER JOIN
(SELECT
salesName, SUM(extendedPrice) AS sumprice14
FROM
tableSales
WHERE
salesTime BETWEEN '2014-01-01' AND '2014-12-31'
GROUP BY
salesName
) AS b
ON a.salesName=b.salesName
最后再次感谢fredrickhu大大!谢谢!..风雨兼程...
->tableSales表
->第一次查询(2013销售员销售总额)
select salesName, sum(extendedPrice) as sumprice13 from tableSales where salesTime between '2013-01-01' and '2013-12-31' group by salesName
->第二次查询(2014销售员销售总额)
select salesName, sum(extendedPrice) as sumprice14 from tableSales where salesTime between '2014-01-01' and '2014-12-31' group by salesName
->如何获得销售员13、14年的销售总额?
A、首先,我想到的就是用union all,但不理想;
select salesName, sum(extendedPrice) as sumprice13, null as sumprice14 from tableSales where salesTime between '2013-01-01' and '2013-12-31' group by salesName
union all
select salesName, null as sumprice13, sum(extendedPrice) as sumprice14 from tableSales where salesTime between '2014-01-01' and '2014-12-31' group by salesName
B最后,通过fredrickhu版主大大的指点,修改如下:
SELECT
a.salesName, a.sumprice13, b.sumprice14
FROM
(SELECT
salesName, SUM(extendedPrice) AS sumprice13
FROM
tableSales
WHERE
salesTime BETWEEN '2013-01-01' AND '2013-12-31'
GROUP BY
salesName
) AS a
INNER JOIN
(SELECT
salesName, SUM(extendedPrice) AS sumprice14
FROM
tableSales
WHERE
salesTime BETWEEN '2014-01-01' AND '2014-12-31'
GROUP BY
salesName
) AS b
ON a.salesName=b.salesName
最后再次感谢fredrickhu大大!谢谢!..风雨兼程...
相关文章推荐
- SqlServer_select-多次sum查询结果合并;
- SqlServer中的UNION操作符在合并数据时去重的原理以及UNION运算符查询结果默认排序的问题
- Sqlserver查询结果,让某列结果合并一列并且逗号分隔。
- Mybatis事务下解决多次select语句查询结果一致的问题+案列(获取全局序列ID)
- sqlserver多条件查询select语句合并
- 如何让SELECT 查询结果额外增加自动递增序号sqlserver
- ibatis开发查询结果为动态列,多次查询结果相同
- mysql根据select查询结果 循环更改
- 关于Oracle、Mysql、SQLServer中指定查询结果中返回的行数问题!
- 如何让SELECT 查询结果额外增加自动递增序号
- 这些查询结果不可更新,请包括ROWID或使用SELECT ...FOR UPDATE 获得可更新结果!
- SELECT查询结果集中,如何能够动态添加一个标识列?
- 含有GROUP BY子句的查询中如何显示COUNT()为0的结果( SELECT语句完整的执行顺序)
- ORACLE-合并查询结果
- 数据库_基础知识_MySQL_UpdateSelect(根据查询出来的结果批量更新)
- MySQL多表查询合并结果union all,内连接查询
- mysql合并查询结果
- SELECT查询结果集INSERT到数据表
- mysql合并查询结果及为表和字段取别名
- SQL为查询的结果加上序号(ROW_NUMBER) 合并多个查询结果