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chill_notes/实践积累/数据库/按日分组求均值.md
2026-04-21 17:41:25 +08:00

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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))