GROUP BY 的使用

TMP:

CDATE

RESULT

2014-05-05

2014-05-05

2014-05-05

2014-05-05

2014-05-06

2014-05-06

2014-05-06

如果要生成下列结果, 该如何写sql语句?标准的json格式描述

 

CDATE

2014-05-05

2

2

2014-05-06

1

2

SELECT M.CDATE , M.胜 , N.负

FROM  (SELECT COUNT(*) AS 胜 FROM TMP WHERE RESULT= '胜' GROUP BY CDATE) M,

 (SELECT COUNT(*) AS 负 FROM TMP WHERE RESULT= '负' GROUP BY CDATE) N

WHERE M.CDATE = N.CDATE

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转载自tian602564031.iteye.com/blog/2109531