From 1101eebe94152ace643b15e01694c884cf6d2be9 Mon Sep 17 00:00:00 2001
From: smallkun <smallerkun@foxmail.com>
Date: Fri, 28 Mar 2025 10:38:36 +0800
Subject: [PATCH] Auto commit

---
 3月调考/MySQL.md | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/3月调考/MySQL.md b/3月调考/MySQL.md
index 57deb92..cf2fd66 100644
--- a/3月调考/MySQL.md
+++ b/3月调考/MySQL.md
@@ -580,5 +580,25 @@ CREATE VIEW v_education AS
 SELECT s.`name` '学生姓名', c.`name` '课程名称', l.`schedule` '学习进度', l.createtime '创建时间'
 FROM t_student s, t_learn l, t_course c
 WHERE s.id = l.s_id AND l.c_id = c.id;
+
+#8
+CREATE TRIGGER tri_insert_student_learn 
+AFTER INSERT ON t_student 
+FOR EACH ROW 
+BEGIN
+    INSERT INTO t_learn (s_id, c_id, schedule, createtime)
+    VALUES (NEW.id, 10001, 0, '2025-01-01');
+END
+
+#9
+CREATE PROCEDURE `sp_get_student_courses`(
+    IN in_student_id INT,
+    OUT out_course_count INT
+)
+BEGIN
+    SELECT COUNT(DISTINCT c_id) INTO out_course_count
+    FROM t_learn
+    WHERE s_id = in_student_id ;
+END
 ```