From 61b6a7cf7004fd5be738ddad6d8633f168bf435a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=9F=B3=E5=B7=9D=E3=80=80=E8=A3=95=E6=A8=B9?=
 <26-y-ishikawa-stellatecnica@it-college.co.jp>
Date: Tue, 27 Oct 2026 16:28:36 +0900
Subject: [PATCH] =?UTF-8?q?MySQL=20SQL=E7=B7=B4=E7=BF=92=E5=95=8F=E9=A1=8C?=
 =?UTF-8?q?20261027?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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---
 MYSQL_Question2_5-.txt | 14 ++++++++++++++
 Question2+α.txt        | 10 ++++++++++
 2 files changed, 24 insertions(+)
 create mode 100644 MYSQL_Question2_5-.txt
 create mode 100644 Question2+α.txt

diff --git a/MYSQL_Question2_5-.txt b/MYSQL_Question2_5-.txt
new file mode 100644
index 0000000..a4bc8c5
--- /dev/null
+++ b/MYSQL_Question2_5-.txt
@@ -0,0 +1,14 @@
+--問5
+select * from items inner join item_category using(category_id) where category_name = '家具';
+
+--問6
+select * from items inner join item_category using(category_id) where price between 1000 and 50000;
+
+--問7
+select count(*) as data_count from items;
+
+--問8
+select * from items inner join item_category using(category_id) where  price = (select max(price) from items);
+
+--問9
+select * from items inner join item_category using(category_id) where name like '%の%';
diff --git a/Question2+α.txt b/Question2+α.txt
new file mode 100644
index 0000000..5fe370c
--- /dev/null
+++ b/Question2+α.txt
@@ -0,0 +1,10 @@
+--問1
+select items.item_id as 商品ID, items.name as 商品名, items.price as 価格, 
+    item_category.name as カテゴリ名 from items inner join item_category using(category_id);
+    
+--問2
+select orders.order_id as 注文ID, orders.order_time as 注文日時, users.name as ユーザー名, 
+    items.name as 商品名, items.price as 価格, order_items.quantity as 数量 from order_items
+    inner join orders using(order_id)
+    inner join items using(item_id)
+    inner join users using(user_id) order by orders.order_time;
\ No newline at end of file