From dceb62f9833b37e11a0c16b20bfc405cc9892e75 Mon Sep 17 00:00:00 2001
From: smallkun <smallerkun@foxmail.com>
Date: Wed, 26 Feb 2025 08:31:43 +0800
Subject: [PATCH] Auto commit

---
 2208/天天乐学考试答案/MySQL练习（一）.md | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/2208/天天乐学考试答案/MySQL练习（一）.md b/2208/天天乐学考试答案/MySQL练习（一）.md
index ba84b72..3361caa 100644
--- a/2208/天天乐学考试答案/MySQL练习（一）.md
+++ b/2208/天天乐学考试答案/MySQL练习（一）.md
@@ -58,7 +58,22 @@ SELECT *
 FROM t_salary
 WHERE money >= 5000 AND money <= 8000;
 
-#6
+#6 tj13 分组查询
+SELECT eid, MAX(money)
+FROM t_salary
+GROUP BY eid;
+
+#7 tj14 多表联查+条件过滤
+SELECT d.dname, e.ename
+FROM t_employee e, t_department d
+WHERE e.did = d.did AND e.position = '经理';
+
+#8
+CREATE VIEW v_hrm AS
+SELECT d.dname, e.ename, s.money, s.stime
+FROM t_employee e, t_department d, t_salary s
+WHERE e.did = d.did AND e.eid = s.eid
+ORDER BY s.stime DESC;
 
 #9 触发器
 DELIMITER $$
@@ -98,3 +113,4 @@ CALL pro_GetTopSalary('d0001', @result);
 SELECT @result;
 ```
 
+### 第二套