From 9552ee450513d53aa1e39eb696432826993dda58 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=9F=B3=E5=8E=9F=E3=80=80=E5=8F=B6=E5=A4=A7?=
 <26-k-ishihara-acrowavenet@it-college.co.jp>
Date: Tue, 27 Oct 2026 17:27:13 +0900
Subject: [PATCH] 10/27

---
 Question2/【+α】SQL/MySQL_question2.sql |   5 +-
 練習問題/Part1.sql                      |  38 +++++
 練習問題/Part2.sql                      |  63 ++++++++
 練習問題/Part2α.sql                     |  99 ++++++++++++
 練習問題/Part3.1.1.sql                  |  51 ++++++
 練習問題/Part3.1.2.sql                  | 201 ++++++++++++++++++++++++
 練習問題/Part3.1.3.sql                  |  63 ++++++++
 練習問題/Part3.1.4.sql                  |  24 +++
 練習問題/Part3.1.5.sql                  |  27 ++++
 練習問題/Part3.1.6.sql                  |  36 +++++
 練習問題/Part3.1.7.sql                  |  57 +++++++
 練習問題/Part3.2.sql                    |  53 +++++++
 練習問題/サンプル.sql                   |  21 +++
 13 files changed, 737 insertions(+), 1 deletion(-)
 create mode 100644 練習問題/Part1.sql
 create mode 100644 練習問題/Part2.sql
 create mode 100644 練習問題/Part2α.sql
 create mode 100644 練習問題/Part3.1.1.sql
 create mode 100644 練習問題/Part3.1.2.sql
 create mode 100644 練習問題/Part3.1.3.sql
 create mode 100644 練習問題/Part3.1.4.sql
 create mode 100644 練習問題/Part3.1.5.sql
 create mode 100644 練習問題/Part3.1.6.sql
 create mode 100644 練習問題/Part3.1.7.sql
 create mode 100644 練習問題/Part3.2.sql
 create mode 100644 練習問題/サンプル.sql

diff --git a/Question2/【+α】SQL/MySQL_question2.sql b/Question2/【+α】SQL/MySQL_question2.sql
index 6d76a65..ec74541 100644
--- a/Question2/【+α】SQL/MySQL_question2.sql
+++ b/Question2/【+α】SQL/MySQL_question2.sql
@@ -111,4 +111,7 @@ INSERT INTO order_items (order_id, item_id, quantity) VALUES (9, 3, 4);
 INSERT INTO order_items (order_id, item_id, quantity) VALUES (9, 5, 2);
 INSERT INTO order_items (order_id, item_id, quantity) VALUES (9, 8, 10);
 INSERT INTO order_items (order_id, item_id, quantity) VALUES (10, 1, 2);
-INSERT INTO order_items (order_id, item_id, quantity) VALUES (10, 10, 2);
\ No newline at end of file
+INSERT INTO order_items (order_id, item_id, quantity) VALUES (10, 10, 2);
+
+
+
diff --git a/練習問題/Part1.sql b/練習問題/Part1.sql
new file mode 100644
index 0000000..5f0ebe4
--- /dev/null
+++ b/練習問題/Part1.sql
@@ -0,0 +1,38 @@
+--�e�[�u���쐬
+CREATE TABLE book_table (
+    book_no INT COMMENT '����ID',
+    book_name VARCHAR(50) COMMENT '����',
+    author_name VARCHAR(50) COMMENT '���Җ�',
+    price INT COMMENT '���i',
+    sales_flag INT COMMENT '�̔��L��'
+);
+
+
+--�f�[�^�o�^
+    INSERT INTO book_table VALUES(10001, 'TwoPeace', '�O�c�p��Y', 420, 1);
+    INSERT INTO book_table VALUES(10002, '���T����c��', '�ŽR�ӂ݂�', 460, 1);
+    INSERT INTO book_table VALUES(20001, '�V�����', '�~�ڟ���', 460, 1);
+    INSERT INTO book_table VALUES(30001, '���������^', '�s��', 1000, 1);
+    INSERT INTO book_table VALUES(40010, '��y�͌��ł���', '�~�ڟ���', 420, 1);
+  
+  
+--�w��f�[�^���o
+    SELECT book_name, author_name FROM book_table;
+    
+    
+--�f�[�^�X�V
+    UPDATE book_table SET author_name = '�}�[���j�R�[�j�|��', sales_flag = 0 WHERE book_no = 30001;
+    
+
+--����f�[�^���o
+    SELECT * FROM book_table WHERE sales_flag = 1;
+    
+    
+--�����������o
+    SELECT * FROM book_table WHERE price = 420 and author_name = '�~�ڟ���';
+    
+--�폜
+    DELETE FROM book_table WHERE book_no = 20001;
+    
+    DROP TABLE book_table;
+    
diff --git a/練習問題/Part2.sql b/練習問題/Part2.sql
new file mode 100644
index 0000000..f938ac5
--- /dev/null
+++ b/練習問題/Part2.sql
@@ -0,0 +1,63 @@
+--�e�[�u���쐬
+CREATE TABLE item_category (
+    category_id INT PRIMARY KEY AUTO_INCREMENT COMMENT '�J�e�S��ID',
+    category_name VARCHAR(256) NOT NULL COMMENT '�J�e�S����'
+);
+
+--�f�[�^�o�^
+    INSERT INTO item_category VALUES(NULL, '�Ƌ�');
+    INSERT INTO item_category VALUES(NULL, '����');
+    INSERT INTO item_category VALUES(NULL, '�H�i');
+    
+    
+--�e�[�u���쐬2
+CREATE TABLE items (
+    item_id INT PRIMARY KEY AUTO_INCREMENT COMMENT '�A�C�e��ID',
+    name VARCHAR(256) NOT NULL COMMENT '�A�C�e����',
+    price INT NOT NULL COMMENT '���i',
+    category_id INT COMMENT '�J�e�S��ID',
+    FOREIGN KEY (category_id)
+        REFERENCES item_category(category_id)
+);
+
+--�o�^
+    INSERT INTO items VALUES(NULL, '���[�}�̃e�[�u��', 150000, 1);
+    INSERT INTO items VALUES(NULL, '���[����[��2000 500ml', 370, 2);
+    INSERT INTO items VALUES(NULL, '���_��', 2500, 3);
+    INSERT INTO items VALUES(NULL, '���f�̈֎q', 100000, 1);
+    
+    
+--��3,4,5
+    SELECT items.category_id, items.item_id, items.name, items.price, item_category.category_name
+    FROM items
+    INNER JOIN item_category
+    ON items.category_id = item_category.category_id
+    WHERE item_category.category_name = '�Ƌ�'
+    ORDER BY items.price ASC;
+    
+---��6
+    SELECT items.category_id, items.item_id, items.name, items.price, item_category.category_name
+    FROM items
+    INNER JOIN item_category
+    ON items.category_id = item_category.category_id
+    WHERE items.price BETWEEN 1000 AND 50000;
+    
+ --��7   
+    SELECT COUNT (*) AS data_count FROM items;
+    
+--��8
+    SELECT items.category_id, items.item_id, items.name, items.price, item_category.category_name
+    FROM items
+    INNER JOIN item_category
+    ON items.category_id = item_category.category_id
+    WHERE items.price = (SELECT MAX(price) FROM items);
+    
+--��9
+    SELECT items.category_id, items.item_id, items.name, items.price, item_category.category_name
+    FROM items
+    INNER JOIN item_category
+    ON items.category_id = item_category.category_id
+    WHERE items.name LIKE '%��%';
+
+
+
diff --git a/練習問題/Part2α.sql b/練習問題/Part2α.sql
new file mode 100644
index 0000000..a6bf25b
--- /dev/null
+++ b/練習問題/Part2α.sql
@@ -0,0 +1,99 @@
+--1  
+    SELECT items.item_id, items.name, items.price, item_category.name
+    FROM items
+    INNER JOIN item_category
+    ON items.category_id = item_category.category_id
+    ORDER BY items.item_id;
+    
+--2
+    SELECT orders.order_id, orders.order_time, users.name, items.name, items.price, order_items.quantity
+    FROM orders
+    INNER JOIN users
+    ON orders.user_id = users.user_id
+    INNER JOIN order_items
+    ON orders.order_id = order_items.order_id
+    INNER JOIN items
+    ON order_items.item_id = items.item_id
+    ORDER BY orders.order_time;
+    
+--3
+    SELECT orders.order_id, orders.order_time,  users.name, SUM(items.price * order_items.quantity) AS total_price
+    FROM orders
+    INNER JOIN users
+    ON orders.user_id = users.user_id
+    INNER JOIN order_items
+    ON orders.order_id = order_items.order_id
+    INNER JOIN items
+    ON order_items.item_id = items.item_id
+    GROUP BY orders.order_id, orders.order_time, users.name
+    ORDER BY orders.order_time;
+    
+--4
+    SELECT DATE_FORMAT(orders.order_time, '%Y/%m') AS order_month, SUM(order_items.quantity) AS order_count
+    FROM orders
+    INNER JOIN order_items
+    ON orders.order_id = order_items.order_id
+    GROUP BY DATE_FORMAT(orders.order_time, '%Y/%m')
+    ORDER BY DATE_FORMAT(orders.order_time, '%Y/%m');
+    
+--5
+    SELECT DATE_FORMAT(orders.order_time, '%Y') AS order_year, SUM(items.price * order_items.quantity) AS sales_amount
+    FROM orders
+    INNER JOIN order_items
+    ON orders.order_id = order_items.order_id
+    INNER JOIN items
+    ON order_items.item_id = items.item_id
+    GROUP BY DATE_FORMAT(orders.order_time, '%Y')
+    ORDER BY DATE_FORMAT(orders.order_time, '%Y');
+    
+--6
+    SELECT SUM(items.price * order_items.quantity) AS sales_amount
+    FROM order_items
+    INNER JOIN items
+    ON order_items.item_id = items.item_id;
+    
+--7
+    SELECT item_category.name, SUM(items.price * order_items.quantity) AS sales_amount
+    FROM order_items
+    INNER JOIN items
+    ON order_items.item_id = items.item_id
+    INNER JOIN item_category
+    ON items.category_id = item_category.category_id
+    GROUP BY item_category.name;
+    
+--8
+    SELECT items.name, SUM(items.price * order_items.quantity) AS sales_amount
+    FROM order_items
+    INNER JOIN items
+    ON order_items.item_id = items.item_id
+    GROUP BY items.name
+    ORDER BY sales_amount DESC;
+    
+--9
+    SELECT item_category.name, SUM(items.price * order_items.quantity)
+        / (SELECT SUM(items.price * order_items.quantity)
+            FROM order_items
+            INNER JOIN items
+            ON order_items.item_id = items.item_id)
+        * 100 AS ratio
+    FROM order_items
+    INNER JOIN items
+    ON order_items.item_id = items.item_id
+    INNER JOIN item_category
+    ON items.category_id = item_category.category_id
+    GROUP BY item_category.name
+    ORDER BY ratio DESC;
+    
+--10
+    SELECT items.name, SUM(items.price * order_items.quantity)
+        / (SELECT SUM(items.price * order_items.quantity)
+            FROM order_items
+            INNER JOIN items
+            ON order_items.item_id = items.item_id)
+        * 100 AS ratio
+    FROM order_items
+    INNER JOIN items
+    ON order_items.item_id = items.item_id
+    GROUP BY items.name
+    ORDER BY ratio DESC;
+
diff --git a/練習問題/Part3.1.1.sql b/練習問題/Part3.1.1.sql
new file mode 100644
index 0000000..122a526
--- /dev/null
+++ b/練習問題/Part3.1.1.sql
@@ -0,0 +1,51 @@
+--�e��}�X�^�[�e�[�u��
+    CREATE TABLE pay_div_m (pay_div_cd VARCHAR(5) PRIMARY KEY, pay_div_nm VARCHAR(20));
+    CREATE TABLE gender_m (gender_cd VARCHAR(2) PRIMARY KEY, gender_div_nm VARCHAR(10));
+    CREATE TABLE credit_div_m (credit_div_cd VARCHAR(5) PRIMARY KEY, credit_div_nm VARCHAR(30));
+    CREATE TABLE goods_div_m (goods_div_cd VARCHAR(5) PRIMARY KEY, goods_div_nm VARCHAR(30));
+    CREATE TABLE tax_m (app_date DATE PRIMARY KEY, tax_rate INT);
+    CREATE TABLE order_sts_m (sts_cd VARCHAR(6) PRIMARY KEY, sts VARCHAR(20));
+    
+    
+--���R�[�h
+--�x�������
+    INSERT INTO pay_div_m VALUES ('PY001', '�N���W�b�g�J�[�h');
+    INSERT INTO pay_div_m VALUES ('PY002', '��s�U��');
+    INSERT INTO pay_div_m VALUES ('PY003', '�R���r�j����');
+    INSERT INTO pay_div_m VALUES ('PY004', '���');
+
+--���ʃ}�X�^
+    INSERT INTO gender_m VALUES ('J0', '�j��');
+    INSERT INTO gender_m VALUES ('J1', '����');
+    INSERT INTO gender_m VALUES ('J9', '���̑�');
+    
+--�N���W�b�g�J�[�h����
+    INSERT INTO credit_div_m VALUES ('CD001', 'VISA');
+    INSERT INTO credit_div_m VALUES ('CD002', 'JCB');
+    INSERT INTO credit_div_m VALUES ('CD003', 'Master');
+    INSERT INTO credit_div_m VALUES ('CD004', 'AMERICAN EXPRESS');
+
+--���i���ރ}�X�^
+    INSERT INTO goods_div_m VALUES ('K0001', '���p�i');
+    INSERT INTO goods_div_m VALUES ('K0002', '�p�\�R���E�I�t�B�X�p�i');
+    INSERT INTO goods_div_m VALUES ('K0003', '�X�|�[�c���A�E�g�h�A');
+    INSERT INTO goods_div_m VALUES ('K0004', '�J�[�p�i');
+    INSERT INTO goods_div_m VALUES ('K0005', '�H���i');
+    INSERT INTO goods_div_m VALUES ('K0006', '�Ɠd');
+    INSERT INTO goods_div_m VALUES ('K0007', '�t�@�b�V����'); 
+    INSERT INTO goods_div_m VALUES ('K0008', '��y');
+
+--����Ń}�X�^
+    INSERT INTO tax_m VALUES ('1989-04-01', 3);
+    INSERT INTO tax_m VALUES ('1997-04-01', 5);
+    INSERT INTO tax_m VALUES ('2014-04-01', 8);
+    INSERT INTO tax_m VALUES ('2019-10-01', 10);
+
+--�����X�e�[�^�X
+    INSERT INTO order_sts_m VALUES ('STS001', '�󒍍�');
+    INSERT INTO order_sts_m VALUES ('STS002', '���ב�');
+    INSERT INTO order_sts_m VALUES ('STS003', '��������');
+    INSERT INTO order_sts_m VALUES ('STS004', '�z����');
+    INSERT INTO order_sts_m VALUES ('STS010', '���q�l����');
+    INSERT INTO order_sts_m VALUES ('STS999', '�L�����Z��');
+
diff --git a/練習問題/Part3.1.2.sql b/練習問題/Part3.1.2.sql
new file mode 100644
index 0000000..89d27dd
--- /dev/null
+++ b/練習問題/Part3.1.2.sql
@@ -0,0 +1,201 @@
+--�ڋq�}�X�^
+
+    CREATE TABLE user_m (
+        user_id VARCHAR(10) PRIMARY KEY,
+        user_f_nm VARCHAR(20),
+        user_f_nm_kn VARCHAR(20),
+        user_nm VARCHAR(20),
+        user_nm_kn VARCHAR(20),
+        user_birth DATE,
+        gender_cd VARCHAR(2),
+        mail_address VARCHAR(100),
+        user_post_no VARCHAR(10),
+        user_prefecture_nm VARCHAR(20),
+        user_municipality_nm VARCHAR(50),
+        user_city_nm VARCHAR(50),
+        user_address VARCHAR(100),
+        user_building_nm VARCHAR(100),
+        user_tel_no VARCHAR(20),
+        user_passwd VARCHAR(20)
+    );
+
+    CREATE TABLE credit_card_t (
+        user_id VARCHAR(10),
+        credit_div_cd VARCHAR(5),
+        credit_no VARCHAR(30),
+        credit_nm VARCHAR(50),
+        validated_month VARCHAR(2),
+        validated_year INT,
+        sc_cd VARCHAR(5),
+        PRIMARY KEY (user_id, credit_no)
+    );
+
+    CREATE TABLE login_hist_t (
+        user_id VARCHAR(10),
+        sfx INT,
+        login_datetime DATETIME,
+        conn_ip VARCHAR(20),
+        term_info VARCHAR(20),
+        PRIMARY KEY (user_id, sfx)
+    );
+    
+
+--���R�[�h
+--�ڋq�}�X�^
+    INSERT INTO user_m VALUES (
+        'CU00000001','�R�c','���}�_','��','�n�W��',
+        '1973-06-06','J0','h.yamada@hoge.com',
+        '140-0014','�����s','�i���','���',
+        '����-��','�}���V����1399','090-xxxx-xxxx','hX8UEE3'
+    );
+
+    INSERT INTO user_m VALUES (
+        'CU00000002','����','�^�J�n�V','����','�^�c��',
+        '1970-11-10','J0','t.takahashi@hoge.com',
+        '230-0063','�_�ސ쌧','���l�s�ߌ���','�ߌ�',
+        '�~�[�~�~','', '090-xxxx-xxxx','UQ0A6B3R'
+    );
+
+    INSERT INTO user_m VALUES (
+        'CU00000003','���}','�}�G�_','�y','�W����',
+        '1975-01-03','J0','j.maeda@hoge.com',
+        '333-0823','��ʌ�','����s','�ΐ_',
+        '����-��','','090-yyyy-1234','DUHwNLLk'
+    );
+
+    INSERT INTO user_m VALUES (
+        'CU00000004','���','�~���P','�͉�','�V���E�X�P',
+        '1970-10-10','J0','s.miyake@hoge.com',
+        '273-0031','��t��','�D���s','���D',
+        '����-��','�A�p�[�g101','090-yyyy-5678','F2QG7Nzw'
+    );
+
+    INSERT INTO user_m VALUES (
+        'CU00000005','����','�X�Y���g','�I��','���E�C�`',
+        '1969-01-13','J0','y.suzumoto@hoge.com',
+        '321-0207','�Ȗ،�','���s��S�p����','�k����',
+        '�~�~�~�~','','090-1234-xxxx','DZy5qadL'
+    );
+    
+--�N���W�b�g�J�[�h
+    INSERT INTO credit_card_t VALUES (
+        'CU00000001',
+        'CD001',
+        'xxxx-xxxx-xxxx-xxxx',
+        'HAJIME YAMADA',
+        '03',
+        2017,
+        'xxx'
+    );
+
+    INSERT INTO credit_card_t VALUES (
+        'CU00000005',
+        'CD001',
+        'xxxx-xxxx-xxxx-xxxx',
+        'YUICHI SUZUMOTO',
+        '03',
+        2016,
+        'xxx'
+    );
+    
+--���O�C�����
+    INSERT INTO login_hist_t VALUES (
+        'CU00000001',1,
+        '2014-10-01 10:00:00',
+        'xxx.xxx.xxx.xxx',
+        '�X�}�[�g�t�H��'
+    );
+
+    INSERT INTO login_hist_t VALUES (
+        'CU00000001',2,
+        '2014-10-10 12:27:00',
+        'xxx.xxx.xxx.xxx',
+        '�X�}�[�g�t�H��'
+    );
+
+    INSERT INTO login_hist_t VALUES (
+        'CU00000001',3,
+        '2014-10-25 20:30:00',
+        'xxx.xxx.xxx.xxx',
+        '�X�}�[�g�t�H��'
+    );
+
+    INSERT INTO login_hist_t VALUES (
+        'CU00000001',4,
+        '2014-11-03 10:15:00',
+        'xxx.xxx.xxx.xxx',
+        '�X�}�[�g�t�H��'
+    );
+
+    INSERT INTO login_hist_t VALUES (
+        'CU00000001',5,
+        '2014-11-05 15:06:00',
+        'xxx.xxx.xxx.xxx',
+        'PC'
+    );
+
+    INSERT INTO login_hist_t VALUES (
+        'CU00000001',6,
+        '2014-12-01 16:56:00',
+        'xxx.xxx.xxx.xxx',
+        'PC'
+    );
+
+    INSERT INTO login_hist_t VALUES (
+        'CU00000002',1,
+        '2014-05-05 15:30:00',
+        'xxx.xxx.xxx.xxx',
+        'PC'
+    );
+
+    INSERT INTO login_hist_t VALUES (
+        'CU00000002',2,
+        '2014-07-07 12:30:00',
+        'xxx.xxx.xxx.xxx',
+        'PC'
+    );
+
+    INSERT INTO login_hist_t VALUES (
+        'CU00000002',3,
+        '2014-11-25 09:30:00',
+        'xxx.xxx.xxx.xxx',
+        'PC'
+    );
+
+    INSERT INTO login_hist_t VALUES (
+        'CU00000003',1,
+        '2013-12-24 11:11:00',
+        'xxx.xxx.xxx.xxx',
+        'PC'
+    );
+
+    INSERT INTO login_hist_t VALUES (
+        'CU00000003',2,
+        '2014-01-10 12:20:00',
+        'xxx.xxx.xxx.xxx',
+        'PC'
+    );
+
+    INSERT INTO login_hist_t VALUES (
+        'CU00000003',3,
+        '2014-10-10 15:27:00',
+        'xxx.xxx.xxx.xxx',
+        'PC'
+    );
+
+    INSERT INTO login_hist_t VALUES (
+        'CU00000004',1,
+        '2014-07-10 00:00:00',
+        'xxx.xxx.xxx.xxx',
+        '�X�}�[�g�t�H��'
+    );
+
+    INSERT INTO login_hist_t VALUES (
+        'CU00000005',1,
+        '2014-07-05 19:42:00',
+        'xxx.xxx.xxx.xxx',
+        '�X�}�[�g�t�H��'
+    );
+
+
+
diff --git a/練習問題/Part3.1.3.sql b/練習問題/Part3.1.3.sql
new file mode 100644
index 0000000..7b96253
--- /dev/null
+++ b/練習問題/Part3.1.3.sql
@@ -0,0 +1,63 @@
+--���i�}�X�^
+    CREATE TABLE goods_m (
+        goods_id VARCHAR(10) PRIMARY KEY,
+        goods_nm VARCHAR(100),
+        goods_maker VARCHAR(50),
+        goods_div_cd VARCHAR(5),
+        handling_date DATE,
+        goods_price INT,
+        goods_cost INT
+    );
+    
+--���R�[�h
+    INSERT INTO goods_m VALUES (
+        'ITM0000001',
+        'EIZO FlexScan 27�C���`�J���[�t�����j�^�[',
+        'EIZO',
+        'K0002',
+        '2012-08-24',
+        79110,
+        40000
+    );
+
+    INSERT INTO goods_m VALUES (
+        'ITM0000002',
+        '�T�b�J�[ ���{��\ �ԍ����背�v���J���j�t�H�[��',
+        'adidas',
+        'K0003',
+        '2014-03-04',
+        12915,
+        2000
+    );
+
+    INSERT INTO goods_m VALUES (
+        'ITM0000003',
+        '���C���E�F�A�ӂƂ�N���[�i�[�i�p�[���z���C�g�j',
+        '���C���E�F�A',
+        'K0006',
+        '2013-09-17',
+        24500,
+        12000
+    );
+
+    INSERT INTO goods_m VALUES (
+        'ITM0000004',
+        '�v���K���A�A�b�v�v�[���I�X�}�� EDT SP 100ml',
+        '�v���K���A',
+        'K0007',
+        '2010-03-03',
+        3712,
+        1500
+    );
+
+    INSERT INTO goods_m VALUES (
+        'ITM0000005',
+        '�}�W�b�N�E�U�E�M���U�����O ��{�Z�b�g2015 �u�[�X�^�[�p�b�N ���{��� BOX',
+        '�E�B�U�[�Y�E�I�u�E�U�E�R�[�X�g',
+        'K0008',
+        '2014-04-28',
+        10952,
+        6000
+    );
+    
+    
diff --git a/練習問題/Part3.1.4.sql b/練習問題/Part3.1.4.sql
new file mode 100644
index 0000000..dc0e6a9
--- /dev/null
+++ b/練習問題/Part3.1.4.sql
@@ -0,0 +1,24 @@
+--�q�Ƀ}�X�^
+    CREATE TABLE store_m (
+        store_id VARCHAR(5) PRIMARY KEY,
+        store_nm VARCHAR(50),
+        store_post_no VARCHAR(8),
+        store_prefecture_nm VARCHAR(20),
+        store_municipality_nm VARCHAR(50),
+        store_city_nm VARCHAR(50),
+        store_address VARCHAR(100),
+        store_building_nm VARCHAR(100)
+    );
+    
+--���R�[�h
+    INSERT INTO store_m VALUES (
+        'W0001',
+        '���q��',
+        '140-0014',
+        '�����s',
+        '�i���',
+        '���',
+        'XXXXXXXXXXXXXXX',
+        'XXXXXXXX'
+    );
+
diff --git a/練習問題/Part3.1.5.sql b/練習問題/Part3.1.5.sql
new file mode 100644
index 0000000..b5a6c72
--- /dev/null
+++ b/練習問題/Part3.1.5.sql
@@ -0,0 +1,27 @@
+--�݌Ƀ}�X�^
+    CREATE TABLE stock_m (
+        stock_id VARCHAR(5),
+        goods_id VARCHAR(10),
+        arrival_date DATE,
+        arrival_num INT,
+        security_num INT,
+    PRIMARY KEY (stock_id, goods_id, arrival_date)
+    );
+    
+--���R�[�h
+    INSERT INTO stock_m VALUES
+        ('W0001','ITM0000001','2012-08-24',2,2),
+        ('W0001','ITM0000001','2012-12-25',3,3),
+        ('W0001','ITM0000001','2013-06-01',2,2),
+        ('W0001','ITM0000001','2013-11-20',5,4),
+        ('W0001','ITM0000001','2014-08-06',7,0),
+        ('W0001','ITM0000002','2014-03-04',100,100),
+        ('W0001','ITM0000002','2014-09-05',50,45),
+        ('W0001','ITM0000002','2014-09-10',60,0),
+        ('W0001','ITM0000003','2013-09-17',5,2),
+        ('W0001','ITM0000004','2010-03-03',10,10),
+        ('W0001','ITM0000004','2012-10-05',3,3),
+        ('W0001','ITM0000004','2013-09-10',6,5),
+        ('W0001','ITM0000004','2014-04-03',2,0),
+        ('W0001','ITM0000005','2014-04-28',150,150),
+        ('W0001','ITM0000005','2014-05-20',100,86);
diff --git a/練習問題/Part3.1.6.sql b/練習問題/Part3.1.6.sql
new file mode 100644
index 0000000..14e66e2
--- /dev/null
+++ b/練習問題/Part3.1.6.sql
@@ -0,0 +1,36 @@
+--���Ƀe�[�u��
+  CREATE TABLE ins_stock_m (
+        goods_id VARCHAR(10),
+        store_id VARCHAR(5),
+        ins_stock_exp_date DATE,
+        ins_stock_cmp_date DATE,
+        ins_stock_exp_num INT,
+        ins_stock_num INT,
+    PRIMARY KEY (goods_id, store_id, ins_stock_exp_date)
+    );
+
+--���R�[�h
+    INSERT INTO ins_stock_m VALUES
+        ('ITM0000004','W0001','2010-03-03','2010-03-03',10,10),
+        ('ITM0000001','W0001','2012-08-24','2012-08-24',2,2),
+        ('ITM0000004','W0001','2012-10-05','2012-10-05',3,3),
+        ('ITM0000001','W0001','2012-12-25','2012-12-25',3,3),
+        ('ITM0000001','W0001','2013-06-01','2013-06-01',2,2),
+        ('ITM0000004','W0001','2013-09-10','2013-09-10',6,6),
+        ('ITM0000003','W0001','2013-09-17','2013-09-17',5,5),
+        ('ITM0000001','W0001','2013-11-20','2013-11-20',5,5),
+        ('ITM0000002','W0001','2014-03-04','2014-03-04',100,100),
+        ('ITM0000004','W0001','2014-04-03','2014-04-03',2,2),
+        ('ITM0000005','W0001','2014-04-28','2014-04-28',150,150),
+        ('ITM0000005','W0001','2014-05-20','2014-05-20',100,100),
+        ('ITM0000001','W0001','2014-08-08','2014-08-08',7,7),
+        ('ITM0000002','W0001','2014-09-05','2014-09-05',50,50),
+        ('ITM0000002','W0001','2014-09-10','2014-09-10',60,60),
+        ('ITM0000001','W0001','2014-12-03',NULL,5,NULL),
+        ('ITM0000002','W0001','2014-12-10',NULL,200,NULL),
+        ('ITM0000003','W0001','2014-12-12',NULL,3,NULL),
+        ('ITM0000004','W0001','2014-12-15',NULL,10,NULL),
+        ('ITM0000005','W0001','2014-12-25',NULL,80,NULL)
+        SELECT * FROM ins_stock_m
+        ORDER BY ins_stock_exp_date;
+
diff --git a/練習問題/Part3.1.7.sql b/練習問題/Part3.1.7.sql
new file mode 100644
index 0000000..057ca26
--- /dev/null
+++ b/練習問題/Part3.1.7.sql
@@ -0,0 +1,57 @@
+--����
+    CREATE TABLE order_t (
+        order_no INT PRIMARY KEY,
+        order_date DATE,
+        user_id VARCHAR(10),
+        sts_cd VARCHAR(10),
+        pay_div_cd VARCHAR(10),
+        deli_exp_date DATE,
+        deli_date DATE,
+        deli_company VARCHAR(20),
+        tracing_no VARCHAR(20),
+        arrive_exp_date DATE,
+        deli_comm INT,
+        postage INT,
+        tax_rate INT
+    );
+    
+    CREATE TABLE order_detail_t (
+        order_no INT,
+        goods_id VARCHAR(10),
+        goods_unit_price INT,
+        goods_num INT,
+    PRIMARY KEY (order_no, goods_id)
+    );
+    
+--���R�[�h
+    INSERT INTO order_t VALUES
+        (1,'2014-11-20','CU00000003','ST010','PY002',
+        '2014-11-20','2014-11-20','���}�g','xxxxxxxxxx',
+        '2014-11-21',0,1836,20850),
+        (2,'2014-11-25','CU00000001','ST010','PY001',
+        '2014-11-25','2014-11-25','���}�g','xxxxxxxxxx',
+        '2014-11-26',0,1836,94520),
+        (3,'2014-11-30','CU00000005','ST010','PY001',
+        '2014-12-02','2014-12-02','���}�g','xxxxxxxxxx',
+        '2014-12-03',0,1836,108562),
+        (4,'2014-12-02','CU00000004','ST010','PY004',
+        '2014-12-02','2014-12-02','���}�g','xxxxxxxxxx',
+        '2014-12-03',510,1836,103310);
+        
+    INSERT INTO order_detail_t VALUES
+        (1,'ITM0000002',12915,100),
+        (1,'ITM0000005',10952,80),
+        (1,'ITM0000003',24500,1),
+        (1,'ITM0000004',3712,5),
+        (1,'ITM0000001',79110,5),
+        (2,'ITM0000001',79110,1),
+        (2,'ITM0000002',12915,50),
+        (2,'ITM0000004',3712,5),
+        (2,'ITM0000005',10952,40),
+        (3,'ITM0000001',79110,3),
+        (3,'ITM0000003',24500,1),
+        (3,'ITM0000005',10952,100),
+        (4,'ITM0000001',79110,2),
+        (4,'ITM0000002',12915,60),
+        (4,'ITM0000004',3712,8),
+        (4,'ITM0000005',10952,30);
diff --git a/練習問題/Part3.2.sql b/練習問題/Part3.2.sql
new file mode 100644
index 0000000..b5b5487
--- /dev/null
+++ b/練習問題/Part3.2.sql
@@ -0,0 +1,53 @@
+--2.1
+    CREATE VIEW goods_stock_v AS
+    SELECT
+        goods_m.goods_id,
+        goods_m.goods_nm,
+        SUM(stock_m.arrival_num - stock_m.security_num) AS stock_num
+    FROM goods_m
+    INNER JOIN stock_m
+    ON goods_m.goods_id = stock_m.goods_id
+    GROUP BY
+        goods_m.goods_id,
+        goods_m.goods_nm;
+        
+    CREATE VIEW user_credit_v AS
+    SELECT
+        user_m.user_id,
+        user_m.user_f_nm,
+        user_m.user_nm,
+        gender_m.gender_div_nm,
+        user_m.mail_address,
+        credit_card_t.credit_div_cd,
+        credit_card_t.credit_no,
+        credit_card_t.credit_nm
+    FROM user_m
+    LEFT JOIN credit_card_t
+    ON user_m.user_id = credit_card_t.user_id
+    LEFT JOIN gender_m
+    ON user_m.gender_cd = gender_m.gender_cd;
+    
+    CREATE VIEW ins_stock_schedule_v AS
+    SELECT
+        ins_stock_m.goods_id,
+        goods_m.goods_nm,
+        ins_stock_m.ins_stock_exp_date,
+        ins_stock_m.store_id,
+        store_m.store_nm
+    FROM ins_stock_m
+    INNER JOIN goods_m
+    ON ins_stock_m.goods_id = goods_m.goods_id
+    INNER JOIN store_m
+    ON ins_stock_m.store_id = store_m.store_id
+    WHERE ins_stock_m.ins_stock_cmp_date IS NULL;
+    
+    
+--2.2
+
+    CREATE SEQUENCE order_no_seq
+    START WITH 5
+    INCREMENT BY 1;
+    
+    
+    
+
diff --git a/練習問題/サンプル.sql b/練習問題/サンプル.sql
new file mode 100644
index 0000000..fb213cd
--- /dev/null
+++ b/練習問題/サンプル.sql
@@ -0,0 +1,21 @@
+CREATE TABLE emp_table (
+    emp_no   INT,
+    emp_name VARCHAR(50),
+    salary   INT
+);
+
+--�o�^
+INSERT INTO emp_table VALUES(1, '���', 20000);
+INSERT INTO emp_table VALUES(2, '�c��', 50000);
+
+-- ����
+SELECT * FROM emp_table;
+SELECT * FROM emp_table; WHERE emp_no = 1; 
+
+--�X�V
+UPDATE emp_table SET salary = 100;
+SELECT * FROM emp_table;
+
+--�폜
+DELETE FROM emp_table;
+SELECT * FROM emp_table;