Update from Sync Service

2026-04-21 17:41:25 +08:00
parent f282f6363f
commit 65f16fe48c
245 changed files with 5459 additions and 0 deletions
--- a/附件/2026/个人知识库/数据库/按日分组求均值.md
+++ b/附件/2026/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))