标签：tin date declare from sele set sql ast floor
declare @gourpmi tinyint --按几分钟分组set @gourpmi = 5
select cast(floor(cast(时间 as float)2460/gourpmi)gourpmi/60/24 as smalldatetime),SUM(字段),Count(字段)
from tb
group by cast(floor(cast(时间 as float)2460/gourpmi)gourpmi/60/24 as smalldatetime)
标签：tin date declare from sele set sql ast floor
原文地址：https://blog.51cto.com/alun51cto/2483830
