Update from Sync Service

数据库知识库/工具脚本/按日分组求均值.md

@@ -0,0 +1,7 @@
+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))