sql - 以半月分组
完整代码:
SELECT siteNumber [站点], CONVERT(VARCHAR(7),day,120)+‘-‘+ case when day(day) between 1 and 15 then ‘上半月‘ else ‘下半月‘ end [半月], SUM(rainVal) [半月降雨量] FROM r a GROUP BY CONVERT(VARCHAR(7),day,120)+‘-‘+ case when day(day) between 1 and 15 then ‘上半月‘ else ‘下半月‘ end, siteNumber order by siteNumber, CONVERT(VARCHAR(7),day,120)+‘-‘+ case when day(day) between 1 and 15 then ‘上半月‘ else ‘下半月‘ end
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