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SQL 行转列

时间:2016-02-02 15:06:16      阅读:314      评论:0      收藏:0      [点我收藏+]

1. 利用 case when then

1 select DeptId,d.DepName, sum(case [Type] when 0 then CountVisit end) as NewsType,
sum (case [Type] when 1 then CountVisit end) as QuestionType,
sum (case [Type] when 2 then CountVisit end) as PolicyType,
sum (case [Type] when 3 then CountVisit end) as HomePage,
sum (case [Type] when 4 then CountVisit end) as LoginCookie,
sum (case [Type] when 5 then CountVisit end) as ShareType,
sum (case [Type] when 6 then CountVisit end) as GalleryType from
(select COUNT(Id) as CountVisit,DeptId,[Type] from VisitLog where AddTime between " + startDate + " and " + endDate + "
group by DeptId,[Type])a join Department d on DeptId=d.Id group by DeptId,d.DepName

得到的结果是:

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2.

SQL 行转列

原文:http://www.cnblogs.com/sunShineJing/p/5177279.html

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