Update 关系型数据库MySQL.md

2019-05-17 00:19:09 +08:00 · 2019-05-17 00:19:09 +08:00 · 59431d31b2
parent 0d2f07087d
commit 59431d31b2
1 changed files with 2 additions and 2 deletions
--- a/Day36-40/关系型数据库MySQL.md
+++ b/Day36-40/关系型数据库MySQL.md
@ -401,7 +401,7 @@
   );
   
   -- 查询选了两门以上的课程的学生姓名(子查询/分组条件/集合运算)
-   select stuname from tb_student where stuid=(
+   select stuname from tb_student where stuid=any(
   	select stuid from tb_score group by stuid having count(stuid)>2
   )