Update from Sync Service

2026-04-21 13:00:34 +08:00
parent aef64d8987
commit ed22969fc0
204 changed files with 5385 additions and 0 deletions
--- a/实践积累/个人知识库/数据库/按日分组求均值.md
+++ b/实践积累/个人知识库/数据库/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))