From 286a1587f71c033ec44ffe27b83371df36494ca3 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: Mon, 26 Oct 2026 16:49:27 +0900
Subject: [PATCH] =?UTF-8?q?MySQL=20SQL=20=E7=B7=B4=E7=BF=92=E5=95=8F?=
 =?UTF-8?q?=E9=A1=8C?=
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---
 MYSQL_Question1.txt | 32 ++++++++++++++++++++++++++++++++
 MYSQL_Question2.txt | 29 +++++++++++++++++++++++++++++
 2 files changed, 61 insertions(+)
 create mode 100644 MYSQL_Question1.txt
 create mode 100644 MYSQL_Question2.txt

diff --git a/MYSQL_Question1.txt b/MYSQL_Question1.txt
new file mode 100644
index 0000000..dd87d80
--- /dev/null
+++ b/MYSQL_Question1.txt
@@ -0,0 +1,32 @@
+--問1
+CREATE TABLE book_table (
+    book_id INT,
+    book_name VARCHAR(50),
+    author_name VARCHAR(50),
+    price INT,
+    sales_flag INT
+);
+
+--問2
+INSERT INTO book_table VALUES(10001, 'TwoPeace', '三田英一郎', 420, 1);
+INSERT INTO book_table VALUES(10002, '名探偵金田二', '青山ふみや', 460, 1);
+INSERT INTO book_table VALUES(20001, '坊ちゃま', '冬目漱岩', 460, 1);
+INSERT INTO book_table VALUES(30001, '西方見聞録', '不明', 1000, 1);
+INSERT INTO book_table VALUES(40010, '吾輩は犬である', '冬目漱岩',     420
+, 1);
+
+--問3
+SELECT book_name, author_name FROM book_table;
+
+--問4
+UPDATE book_table SET author_name = 'マール＝コー＝ポロ', sales_flag = 0 WHERE book_id = 30001;
+
+--問5
+select book_id, book_name, author_name, price, sales_flag from book_table where sales_flag = 1;
+
+--問6
+select book_id, book_name, author_name, price, sales_flag from book_table where author_name = '冬目漱岩' and price = 420;
+
+--問7
+delete from book_table where book_id = 20001;
+select * from book_table;
\ No newline at end of file
diff --git a/MYSQL_Question2.txt b/MYSQL_Question2.txt
new file mode 100644
index 0000000..45d8524
--- /dev/null
+++ b/MYSQL_Question2.txt
@@ -0,0 +1,29 @@
+--問1
+create table item_category (
+    category_id INT AUTO_INCREMENT,
+    category_name VARCHAR(256) not null,
+    primary key(category_id)
+);
+insert into item_category values(1, '家具');
+insert into item_category values(2, '飲料');
+insert into item_category values(3, '食品');
+
+--問2
+create table items(
+    item_id INT AUTO_INCREMENT,
+    name VARCHAR(256) not null,
+    price INT not null,
+    category_id INT,
+    primary key(item_id),
+    foreign key(category_id) references item_category(category_id)
+);
+insert into items values(1,'ローマのテーブル', 150000, 1);
+insert into items values(2,'げーたるーど2000 500ml', 370, 2);
+insert into items values(3,'原始肉', 2500, 3);
+insert into items values(4,'魅惑の椅子', 100000, 1);
+
+--問3
+select * from items inner join item_category using(category_id);
+
+--問4
+select * from items inner join item_category using(category_id) order by price;
\ No newline at end of file