From c3dc1b39016e6deea7e90ac23b76b3d592ad6084 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=A6=8F=E6=A3=AE=E3=80=80=E7=99=BE=E5=A4=A2?=
 <26-m-fukumori-cosmicb@it-college.co.jp>
Date: Tue, 27 Oct 2026 16:48:22 +0900
Subject: [PATCH] 20261027

---
 Question2/MySQL SQL問題集 part２.sql | 79 ++++++++++++++++++++++++++++
 1 file changed, 79 insertions(+)
 create mode 100644 Question2/MySQL SQL問題集 part２.sql

diff --git a/Question2/MySQL SQL問題集 part２.sql b/Question2/MySQL SQL問題集 part２.sql
new file mode 100644
index 0000000..17f920b
--- /dev/null
+++ b/Question2/MySQL SQL問題集 part２.sql	
@@ -0,0 +1,79 @@
+--��P
+CREATE TABLE item_category (
+    category_id INT AUTO_INCREMENT PRIMARY KEY,
+    category_name VARCHAR(256) NOT NULL
+);
+
+INSERT INTO item_category(category_name) VALUES('�Ƌ�'),('����'),('�H�i');
+
+
+--��Q
+CREATE TABLE items(
+    item_id INT AUTO_INCREMENT PRIMARY KEY,
+    name VARCHAR(256) NOT NULL,
+    price INT NOT NULL,
+    category_id INT,
+    FOREIGN KEY(category_id) REFERENCES item_category(category_id)
+);
+
+INSERT INTO items(name,price,category_id) 
+VALUES('���[�}�̃e�[�u��',150000,1),('���[����[��2000 500ml',370,2),('���n��',2500,3),('���f�̈֎q',100000,1);
+
+--��R
+SELECT 
+a.item_id,
+a.name,
+a.price,
+b.category_id,
+b.category_name 
+FROM items a
+INNER JOIN item_category b
+ON a.category_id = b.category_id;
+
+
+--��S
+SELECT *
+FROM items
+ORDER BY price;
+
+--��T
+SELECT 
+a.item_id,
+a.name,
+a.price,
+b.category_id,
+b.category_name 
+FROM items a
+INNER JOIN item_category b
+ON a.category_id = b.category_id AND b.category_name = '�Ƌ�';
+
+--��U
+SELECT 
+a.item_id,
+a.name,
+a.price,
+b.category_id,
+b.category_name 
+FROM items a
+INNER JOIN item_category b
+ON a.category_id = b.category_id AND a.price <= 50000 AND a.price >= 1000;
+
+--��V
+SELECT COUNT(*) AS data_count
+FROM items;
+
+--��W
+SELECT * FROM items
+WHERE price = (SELECT MAX(price) FROM items);
+
+--��X
+SELECT 
+a.item_id,
+a.name,
+a.price,
+b.category_id,
+b.category_name 
+FROM items a
+INNER JOIN item_category b
+ON a.category_id = b.category_id
+WHERE a.name LIKE'%��%';