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mysql结果集合切换_MySQL

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2016-06-01 13:03:55938browse

结果集A:

\

转换成为结果集B:

\

mysql中实现如下:

SELECT 
		a.biz_date,
		CASE  WHEN a.`event` = 'downClick' THEN a.uv END AS  downClick,
		CASE  WHEN a.`event` = 'successClick' THEN a.uv END AS  successClick,
		CASE  WHEN a.`event` = 'installSuccess' THEN a.uv END AS  installSuccess
from a


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