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查询:一列中合并两行数据
SELECT *
FROM MYTABLE
WHERE
(custom_date BETWEEN '16-MAR-15'
AND '15-APR-15'))
pivot(SUM(user_value) FOR custom_date IN(to_date('16/03/2015', 'DD/MM/YYYY') AS
day16, to_date('17/03/2015', 'DD/MM/YYYY') AS
day17, to_date('18/03/2015', 'DD/MM/YYYY') AS
day18, to_date('19/03/2015', 'DD/MM/YYYY') AS
day19, to_date('20/03/2015', 'DD/MM/YYYY') AS
day20, to_date('21/03/2015', 'DD/MM/YYYY') AS
day21, to_date('22/03/2015', 'DD/MM/YYYY') AS
day22, to_date('23/03/2015', 'DD/MM/YYYY') AS
day23, to_date('24/03/2015', 'DD/MM/YYYY') AS
day24, to_date('25/03/2015', 'DD/MM/YYYY') AS
day25, to_date('26/03/2015', 'DD/MM/YYYY') AS
day26, to_date('27/03/2015', 'DD/MM/YYYY') AS
day27, to_date('28/03/2015', 'DD/MM/YYYY') AS
day28, to_date('29/03/2015', 'DD/MM/YYYY') AS
day29, to_date('30/03/2015', 'DD/MM/YYYY') AS
day30, to_date('31/03/2015', 'DD/MM/YYYY') AS
day31, to_date('01/04/2015', 'DD/MM/YYYY') AS
day01, to_date('02/04/2015', 'DD/MM/YYYY') AS
day02, to_date('03/04/2015', 'DD/MM/YYYY') AS
day03, to_date('04/04/2015', 'DD/MM/YYYY') AS
day04, to_date('05/04/2015', 'DD/MM/YYYY') AS
day05, to_date('06/04/2015', 'DD/MM/YYYY') AS
day06, to_date('07/04/2015', 'DD/MM/YYYY') AS
day07, to_date('08/04/2015', 'DD/MM/YYYY') AS
day08, to_date('09/04/2015', 'DD/MM/YYYY') AS
day09, to_date('10/04/2015', 'DD/MM/YYYY') AS
day10, to_date('11/04/2015', 'DD/MM/YYYY') AS
day11, to_date('12/04/2015', 'DD/MM/YYYY') AS
day12, to_date('13/04/2015', 'DD/MM/YYYY') AS
day13, to_date('14/04/2015', 'DD/MM/YYYY') AS
day14, to_date('15/04/2015', 'DD/MM/YYYY') AS
day15))
ORDER BY username;
查询数据输出两个月Mar-Apr 2015
如图图像。第一行是月份Mar-15
,第二行是Apr-15
。
作为图像中所看到的,具有DAY 29, DAY 30, DAY 31
填充为Mar-15
和null
为Apr-15
值8
。
对于Apr-15
,DAY 01, DAY 02, DAY 03
具有值8
而对于“3月15号”的null
。
如何以两个Mar-Apr 2015
数据相结合来展示像下面
你真的可以在MySQL中做一个数据透视吗? – Arion
该查询实际上是在oracle db usign PIVOT上执行的。 – Slimshadddyyy
'custom_date BETWEEN '16 -MAR-15' AND '15 -APR-15''不直接相关,但为什么你使用** string **? ''16 -MAR-15'是一个字符串,而不是** a **日期**。 –