chill_notes/OneNote/数据库知识库/工具脚本/按日分组求均值.md

SELECT
convert(char(10),aDatetime,120)
,round(avg([X]),6)
,round(avg([Y]),6)
,round(avg([Height]),6) FROM [ZHDMTProj].[dbo].[TLDZ1]
group by ( convert(char(10),aDatetime,120))
order by ( convert(char(10),aDatetime,120))