update 2.5.1

2022-07-09 19:35:02 +08:00
parent 7295252cd5
commit 684d942459
1 changed files with 1 additions and 1 deletions
--- a/基础查询与排序.md
+++ b/基础查询与排序.md
@@ -405,7 +405,7 @@ SELECT purchase_price, COUNT(*)

 GROUP BY的子句书写顺序有严格要求，不按要求会导致SQL无法正常执行，目前出现过的子句顺序为：

-1 SELECT → 2. FROM → 3. WHERE → 4. GROUP BY
+1. SELECT :arrow_right:	 2. FROM :arrow_right:	 3. WHERE :arrow_right:	 4. GROUP BY

 其中前三项用于筛选数据，GROUP BY对筛选出的数据进行处理