483 lines
23 KiB
Plaintext
483 lines
23 KiB
Plaintext
MySQL SQL問題集 part２+α
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mysql> INSERT INTO items VALUES (5,'十八茶 600ml',110,1);
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Query OK, 1 row affected (0.01 sec)
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mysql> INSERT INTO items VALUES (6,'いい匂いのするドリアン',5000,3);
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Query OK, 1 row affected (0.01 sec)
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mysql> INSERT INTO items VALUES (7,'太平洋の水 550ml',300,2);
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Query OK, 1 row affected (0.01 sec)
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mysql> INSERT INTO items VALUES (8,'ひたすら膨らむガム',200,2);
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Query OK, 1 row affected (0.00 sec)
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mysql> INSERT INTO items VALUES (9,'人をだめにするソファー',10000,1);
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Query OK, 1 row affected (0.01 sec)
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mysql> INSERT INTO items VALUES (10,'人を虜にする名酒',20000,2);
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Query OK, 1 row affected (0.01 sec)
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mysql> INSERT INTO items VALUES (11,'新鮮キャベツ',1000,3);
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Query OK, 1 row affected (0.00 sec)
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mysql> SELECT items.category_id,items.item_id,items.name,items.price,item_category.category_name FROM item_category INNER JOIN items ON items.category_id = item_category.category_id;
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+-------------+---------+--------------------------+--------+---------------+
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| category_id | item_id | name | price | category_name |
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+-------------+---------+--------------------------+--------+---------------+
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| 1 | 1 | ローマのテーブル | 150000 | 家具 |
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| 1 | 4 | 魅惑の椅子 | 100000 | 家具 |
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| 1 | 5 | 十八茶 600ml | 110 | 家具 |
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| 1 | 9 | 人をだめにするソファー | 10000 | 家具 |
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| 2 | 2 | げーたるーど2000 500ｍｌ | 370 | 飲料 |
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| 2 | 7 | 太平洋の水 550ml | 300 | 飲料 |
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| 2 | 8 | ひたすら膨らむガム | 200 | 飲料 |
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| 2 | 10 | 人を虜にする名酒 | 20000 | 飲料 |
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| 3 | 3 | 原始肉 | 2500 | 食品 |
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| 3 | 6 | いい匂いのするドリアン | 5000 | 食品 |
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| 3 | 11 | 新鮮キャベツ | 1000 | 食品 |
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+-------------+---------+--------------------------+--------+---------------+
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11 rows in set (0.00 sec)
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mysql> SELECT items.category_id,items.item_id,items.name,items.price,item_category.category_name FROM item_category INNER JOIN items ON items.category_id = item_category.category_id ORDER BY item_id ASC;
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+-------------+---------+--------------------------+--------+---------------+
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| category_id | item_id | name | price | category_name |
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+-------------+---------+--------------------------+--------+---------------+
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| 1 | 1 | ローマのテーブル | 150000 | 家具 |
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| 2 | 2 | げーたるーど2000 500ｍｌ | 370 | 飲料 |
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| 3 | 3 | 原始肉 | 2500 | 食品 |
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| 1 | 4 | 魅惑の椅子 | 100000 | 家具 |
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| 1 | 5 | 十八茶 600ml | 110 | 家具 |
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| 3 | 6 | いい匂いのするドリアン | 5000 | 食品 |
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| 2 | 7 | 太平洋の水 550ml | 300 | 飲料 |
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| 2 | 8 | ひたすら膨らむガム | 200 | 飲料 |
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| 1 | 9 | 人をだめにするソファー | 10000 | 家具 |
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| 2 | 10 | 人を虜にする名酒 | 20000 | 飲料 |
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| 3 | 11 | 新鮮キャベツ | 1000 | 食品 |
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+-------------+---------+--------------------------+--------+---------------+
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11 rows in set (0.00 sec)
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mysql> SELECT * FROM items;
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+---------+--------------------------+--------+-------------+
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| item_id | name | price | category_id |
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+---------+--------------------------+--------+-------------+
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| 1 | ローマのテーブル | 150000 | 1 |
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| 2 | げーたるーど2000 500ｍｌ | 370 | 2 |
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| 3 | 原始肉 | 2500 | 3 |
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| 4 | 魅惑の椅子 | 100000 | 1 |
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| 5 | 十八茶 600ml | 110 | 1 |
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| 6 | いい匂いのするドリアン | 5000 | 3 |
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| 7 | 太平洋の水 550ml | 300 | 2 |
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| 8 | ひたすら膨らむガム | 200 | 2 |
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| 9 | 人をだめにするソファー | 10000 | 1 |
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| 10 | 人を虜にする名酒 | 20000 | 2 |
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| 11 | 新鮮キャベツ | 1000 | 3 |
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+---------+--------------------------+--------+-------------+
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11 rows in set (0.00 sec)
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mysql> DROP TABLE IF EXISTS order_items;
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Query OK, 0 rows affected, 1 warning (0.02 sec)
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mysql> DROP TABLE IF EXISTS orders;
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Query OK, 0 rows affected, 1 warning (0.00 sec)
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mysql> DROP TABLE IF EXISTS items;
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Query OK, 0 rows affected (0.02 sec)
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mysql> DROP TABLE IF EXISTS item_category;
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Query OK, 0 rows affected (0.01 sec)
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mysql> DROP TABLE IF EXISTS users;
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Query OK, 0 rows affected, 1 warning (0.00 sec)
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mysql>
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mysql> CREATE TABLE users(
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-> user_id INT PRIMARY KEY AUTO_INCREMENT COMMENT 'ユーザID'
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-> , name VARCHAR (15) NOT NULL COMMENT 'ユーザ名'
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-> , password VARCHAR (50) NOT NULL COMMENT 'パスワード'
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-> , age INT COMMENT '年齢'
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-> , is_del CHAR (1) NOT NULL DEFAULT '0' COMMENT '削除フラグ:0：未削除、1：削除済'
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-> )
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-> default charset=utf8
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-> COMMENT 'ユーザテーブル';
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Query OK, 0 rows affected, 1 warning (0.02 sec)
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mysql>
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mysql> CREATE TABLE item_category(
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-> category_id INT AUTO_INCREMENT PRIMARY KEY COMMENT 'カテゴリID'
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-> , name VARCHAR (256) NOT NULL COMMENT 'カテゴリ名'
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-> , is_del CHAR (1) NOT NULL DEFAULT '0' COMMENT '削除フラグ:0：未削除、1：削除済'
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-> )
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-> default charset=utf8
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-> COMMENT 'カテゴリテーブル';
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Query OK, 0 rows affected, 1 warning (0.02 sec)
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mysql>
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mysql> CREATE TABLE items(
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-> item_id INT PRIMARY KEY AUTO_INCREMENT COMMENT '商品ID'
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-> , name VARCHAR (255) NOT NULL COMMENT '商品名'
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-> , price INT NOT NULL COMMENT '価格'
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-> , category_id INT COMMENT 'カテゴリID'
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-> , is_sale CHAR (1) NOT NULL DEFAULT '1' COMMENT '販売有無:1：販売中、0：販売無'
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-> , is_del CHAR (1) NOT NULL DEFAULT '0' COMMENT '削除フラグ:0：未削除、1：削除済'
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-> , FOREIGN KEY fk_categoryid(category_id) REFERENCES item_category(category_id)
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-> )
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-> default charset=utf8
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-> COMMENT '商品テーブル';
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Query OK, 0 rows affected, 1 warning (0.03 sec)
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mysql>
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mysql> CREATE TABLE orders(
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-> order_id INT PRIMARY KEY AUTO_INCREMENT COMMENT '注文ID'
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-> , user_id INT NOT NULL COMMENT 'ユーザID'
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-> , order_time DATETIME NOT NULL COMMENT '注文日時'
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-> , is_del CHAR (1) NOT NULL DEFAULT '0' COMMENT '削除フラグ:0：未削除、1：削除済'
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-> , FOREIGN KEY fk_userid(user_id) REFERENCES users(user_id)
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-> )
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-> default charset=utf8
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-> COMMENT '注文テーブル';
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Query OK, 0 rows affected, 1 warning (0.04 sec)
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mysql>
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mysql> CREATE TABLE order_items(
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-> order_id INT COMMENT '注文ID'
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-> , item_id INT COMMENT '商品ID'
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-> , quantity INT COMMENT '注文数'
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-> , PRIMARY KEY (order_id, item_id)
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-> , FOREIGN KEY fk_orderid(order_id) REFERENCES orders(order_id)
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-> , FOREIGN KEY fk_itemid(item_id) REFERENCES items(item_id)
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-> )
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-> default charset=utf8
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-> COMMENT '注文商品テーブル';
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Query OK, 0 rows affected, 1 warning (0.05 sec)
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mysql>
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mysql>
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mysql> INSERT INTO users (name, password, age) VALUES ('三浦知一','KfCQDjiZ', 53);
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Query OK, 1 row affected (0.00 sec)
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mysql> INSERT INTO users (name, password, age) VALUES ('遠藤保','V3mngzMP', 40);
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Query OK, 1 row affected (0.00 sec)
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mysql> INSERT INTO users (name, password, age) VALUES ('柴崎学','XktKCvCx', 27);
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Query OK, 1 row affected (0.00 sec)
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mysql> INSERT INTO users (name, password, age) VALUES ('本田啓介','bSCebKnP', 33);
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Query OK, 1 row affected (0.00 sec)
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mysql> INSERT INTO users (name, password, age) VALUES ('花川真司','xKetmAcH', 30);
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Query OK, 1 row affected (0.00 sec)
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mysql>
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mysql> INSERT INTO item_category (name) VALUES ('家具');
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Query OK, 1 row affected (0.00 sec)
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mysql> INSERT INTO item_category (name) VALUES ('飲料');
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Query OK, 1 row affected (0.00 sec)
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mysql> INSERT INTO item_category (name) VALUES ('食品');
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Query OK, 1 row affected (0.00 sec)
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mysql>
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mysql> INSERT INTO items (name, price, category_id) VALUES ('ローマのテーブル', 150000, 1);
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Query OK, 1 row affected (0.01 sec)
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mysql> INSERT INTO items (name, price, category_id) VALUES ('げーたるーど2000 500ml', 370, 2);
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Query OK, 1 row affected (0.00 sec)
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mysql> INSERT INTO items (name, price, category_id) VALUES ('原始肉', 2500, 3);
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Query OK, 1 row affected (0.00 sec)
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mysql> INSERT INTO items (name, price, category_id) VALUES ('魅惑の椅子', 100000, 1);
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Query OK, 1 row affected (0.00 sec)
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mysql> INSERT INTO items (name, price, category_id) VALUES ('十八茶 600ml', 110, 1);
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Query OK, 1 row affected (0.00 sec)
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mysql> INSERT INTO items (name, price, category_id) VALUES ('いい匂いのするドリアン', 5000, 3);
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Query OK, 1 row affected (0.00 sec)
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mysql> INSERT INTO items (name, price, category_id) VALUES ('太平洋の水 550ml', 300, 2);
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Query OK, 1 row affected (0.00 sec)
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mysql> INSERT INTO items (name, price, category_id) VALUES ('ひたすら膨らむガム', 200, 3);
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Query OK, 1 row affected (0.00 sec)
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mysql> INSERT INTO items (name, price, category_id) VALUES ('人をだめにするソファー', 10000, 1);
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Query OK, 1 row affected (0.00 sec)
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mysql> INSERT INTO items (name, price, category_id) VALUES ('人を虜にする名酒', 20000, 2);
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Query OK, 1 row affected (0.00 sec)
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mysql> INSERT INTO items (name, price, category_id) VALUES ('新鮮キャベツ', 1000, 3);
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Query OK, 1 row affected (0.00 sec)
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mysql>
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mysql> INSERT INTO orders (user_id, order_time) VALUES (1, '2015-02-22 12:00:00');
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Query OK, 1 row affected (0.00 sec)
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mysql> INSERT INTO orders (user_id, order_time) VALUES (4, '2015-12-01 15:30:00');
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Query OK, 1 row affected (0.00 sec)
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mysql> INSERT INTO orders (user_id, order_time) VALUES (3, '2018-03-20 18:45:00');
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Query OK, 1 row affected (0.00 sec)
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mysql> INSERT INTO orders (user_id, order_time) VALUES (2, '2018-05-11 11:28:00');
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Query OK, 1 row affected (0.00 sec)
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mysql> INSERT INTO orders (user_id, order_time) VALUES (5, '2018-09-30 10:50:00');
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Query OK, 1 row affected (0.00 sec)
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mysql> INSERT INTO orders (user_id, order_time) VALUES (1, '2018-09-12 20:13:00');
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Query OK, 1 row affected (0.00 sec)
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mysql> INSERT INTO orders (user_id, order_time) VALUES (4, '2018-09-15 21:34:00');
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Query OK, 1 row affected (0.00 sec)
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mysql> INSERT INTO orders (user_id, order_time) VALUES (1, '2019-05-06 16:00:00');
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Query OK, 1 row affected (0.00 sec)
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mysql> INSERT INTO orders (user_id, order_time) VALUES (3, '2019-12-20 10:39:00');
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Query OK, 1 row affected (0.00 sec)
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mysql> INSERT INTO orders (user_id, order_time) VALUES (2, '2020-01-01 14:11:00');
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Query OK, 1 row affected (0.00 sec)
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mysql>
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mysql> INSERT INTO order_items (order_id, item_id, quantity) VALUES (1, 2, 1);
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Query OK, 1 row affected (0.00 sec)
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mysql> INSERT INTO order_items (order_id, item_id, quantity) VALUES (1, 6, 10);
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Query OK, 1 row affected (0.00 sec)
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mysql> INSERT INTO order_items (order_id, item_id, quantity) VALUES (1, 7, 1);
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Query OK, 1 row affected (0.00 sec)
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mysql> INSERT INTO order_items (order_id, item_id, quantity) VALUES (1, 11, 10);
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Query OK, 1 row affected (0.00 sec)
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mysql> INSERT INTO order_items (order_id, item_id, quantity) VALUES (2, 4, 1);
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Query OK, 1 row affected (0.00 sec)
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mysql> INSERT INTO order_items (order_id, item_id, quantity) VALUES (3, 9, 1);
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Query OK, 1 row affected (0.00 sec)
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mysql> INSERT INTO order_items (order_id, item_id, quantity) VALUES (4, 7, 1);
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Query OK, 1 row affected (0.00 sec)
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mysql> INSERT INTO order_items (order_id, item_id, quantity) VALUES (4, 8, 1);
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Query OK, 1 row affected (0.00 sec)
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mysql> INSERT INTO order_items (order_id, item_id, quantity) VALUES (5, 2, 7);
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Query OK, 1 row affected (0.00 sec)
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mysql> INSERT INTO order_items (order_id, item_id, quantity) VALUES (5, 3, 5);
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Query OK, 1 row affected (0.00 sec)
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mysql> INSERT INTO order_items (order_id, item_id, quantity) VALUES (5, 10, 1);
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Query OK, 1 row affected (0.00 sec)
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mysql> INSERT INTO order_items (order_id, item_id, quantity) VALUES (5, 11, 5);
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Query OK, 1 row affected (0.00 sec)
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mysql> INSERT INTO order_items (order_id, item_id, quantity) VALUES (5, 5, 1);
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Query OK, 1 row affected (0.00 sec)
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mysql> INSERT INTO order_items (order_id, item_id, quantity) VALUES (5, 7, 1);
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Query OK, 1 row affected (0.00 sec)
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mysql> INSERT INTO order_items (order_id, item_id, quantity) VALUES (6, 8, 10);
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Query OK, 1 row affected (0.00 sec)
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mysql> INSERT INTO order_items (order_id, item_id, quantity) VALUES (7, 4, 2);
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Query OK, 1 row affected (0.00 sec)
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mysql> INSERT INTO order_items (order_id, item_id, quantity) VALUES (8, 1, 1);
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Query OK, 1 row affected (0.00 sec)
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mysql> INSERT INTO order_items (order_id, item_id, quantity) VALUES (8, 9, 1);
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Query OK, 1 row affected (0.00 sec)
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mysql> INSERT INTO order_items (order_id, item_id, quantity) VALUES (9, 3, 4);
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Query OK, 1 row affected (0.00 sec)
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mysql> INSERT INTO order_items (order_id, item_id, quantity) VALUES (9, 5, 2);
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Query OK, 1 row affected (0.00 sec)
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mysql> INSERT INTO order_items (order_id, item_id, quantity) VALUES (9, 8, 10);
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Query OK, 1 row affected (0.00 sec)
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mysql> INSERT INTO order_items (order_id, item_id, quantity) VALUES (10, 1, 2);
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Query OK, 1 row affected (0.00 sec)
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mysql> INSERT INTO order_items (order_id, item_id, quantity) VALUES (10, 10, 2);
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Query OK, 1 row affected (0.01 sec)
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mysql> SELECT * FROM items;
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+---------+------------------------+--------+-------------+---------+--------+
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| item_id | name | price | category_id | is_sale | is_del |
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+---------+------------------------+--------+-------------+---------+--------+
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| 1 | ローマのテーブル | 150000 | 1 | 1 | 0 |
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| 2 | げーたるーど2000 500ml | 370 | 2 | 1 | 0 |
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| 3 | 原始肉 | 2500 | 3 | 1 | 0 |
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| 4 | 魅惑の椅子 | 100000 | 1 | 1 | 0 |
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| 5 | 十八茶 600ml | 110 | 1 | 1 | 0 |
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| 6 | いい匂いのするドリアン | 5000 | 3 | 1 | 0 |
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| 7 | 太平洋の水 550ml | 300 | 2 | 1 | 0 |
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| 8 | ひたすら膨らむガム | 200 | 3 | 1 | 0 |
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| 9 | 人をだめにするソファー | 10000 | 1 | 1 | 0 |
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| 10 | 人を虜にする名酒 | 20000 | 2 | 1 | 0 |
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| 11 | 新鮮キャベツ | 1000 | 3 | 1 | 0 |
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+---------+------------------------+--------+-------------+---------+--------+
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11 rows in set (0.00 sec)
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mysql> ALTER TABLE items RENAME COLUMN item_id TO '商品ID';
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ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ''商品ID'' at line 1
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mysql> ALTER TABLE items RENAME COLUMN item_id TO `商品ID`;
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Query OK, 0 rows affected (0.02 sec)
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Records: 0 Duplicates: 0 Warnings: 0
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mysql> SELECT * FROM items;
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+--------+------------------------+--------+-------------+---------+--------+
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| 商品ID | name | price | category_id | is_sale | is_del |
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+--------+------------------------+--------+-------------+---------+--------+
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| 1 | ローマのテーブル | 150000 | 1 | 1 | 0 |
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| 2 | げーたるーど2000 500ml | 370 | 2 | 1 | 0 |
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| 3 | 原始肉 | 2500 | 3 | 1 | 0 |
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| 4 | 魅惑の椅子 | 100000 | 1 | 1 | 0 |
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| 5 | 十八茶 600ml | 110 | 1 | 1 | 0 |
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| 6 | いい匂いのするドリアン | 5000 | 3 | 1 | 0 |
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| 7 | 太平洋の水 550ml | 300 | 2 | 1 | 0 |
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| 8 | ひたすら膨らむガム | 200 | 3 | 1 | 0 |
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| 9 | 人をだめにするソファー | 10000 | 1 | 1 | 0 |
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| 10 | 人を虜にする名酒 | 20000 | 2 | 1 | 0 |
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| 11 | 新鮮キャベツ | 1000 | 3 | 1 | 0 |
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+--------+------------------------+--------+-------------+---------+--------+
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11 rows in set (0.00 sec)
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mysql> ALTER TABLE items RENAME COLUMN name TO `商品名`;
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Query OK, 0 rows affected (0.03 sec)
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Records: 0 Duplicates: 0 Warnings: 0
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mysql> ALTER TABLE items RENAME COLUMN price TO `価格`;
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Query OK, 0 rows affected (0.01 sec)
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Records: 0 Duplicates: 0 Warnings: 0
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mysql> ALTER TABLE items RENAME COLUMN category_id TO `カテゴリ名`;
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Query OK, 0 rows affected (0.01 sec)
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Records: 0 Duplicates: 0 Warnings: 0
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mysql> SELECT * FROM items;
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+--------+------------------------+--------+------------+---------+--------+
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| 商品ID | 商品名 | 価格 | カテゴリ名 | is_sale | is_del |
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+--------+------------------------+--------+------------+---------+--------+
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| 1 | ローマのテーブル | 150000 | 1 | 1 | 0 |
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||
| 2 | げーたるーど2000 500ml | 370 | 2 | 1 | 0 |
|
||
| 3 | 原始肉 | 2500 | 3 | 1 | 0 |
|
||
| 4 | 魅惑の椅子 | 100000 | 1 | 1 | 0 |
|
||
| 5 | 十八茶 600ml | 110 | 1 | 1 | 0 |
|
||
| 6 | いい匂いのするドリアン | 5000 | 3 | 1 | 0 |
|
||
| 7 | 太平洋の水 550ml | 300 | 2 | 1 | 0 |
|
||
| 8 | ひたすら膨らむガム | 200 | 3 | 1 | 0 |
|
||
| 9 | 人をだめにするソファー | 10000 | 1 | 1 | 0 |
|
||
| 10 | 人を虜にする名酒 | 20000 | 2 | 1 | 0 |
|
||
| 11 | 新鮮キャベツ | 1000 | 3 | 1 | 0 |
|
||
+--------+------------------------+--------+------------+---------+--------+
|
||
11 rows in set (0.00 sec)
|
||
|
||
mysql> SELECT * FROM orders;
|
||
+----------+---------+---------------------+--------+
|
||
| order_id | user_id | order_time | is_del |
|
||
+----------+---------+---------------------+--------+
|
||
| 1 | 1 | 2015-02-22 12:00:00 | 0 |
|
||
| 2 | 4 | 2015-12-01 15:30:00 | 0 |
|
||
| 3 | 3 | 2018-03-20 18:45:00 | 0 |
|
||
| 4 | 2 | 2018-05-11 11:28:00 | 0 |
|
||
| 5 | 5 | 2018-09-30 10:50:00 | 0 |
|
||
| 6 | 1 | 2018-09-12 20:13:00 | 0 |
|
||
| 7 | 4 | 2018-09-15 21:34:00 | 0 |
|
||
| 8 | 1 | 2019-05-06 16:00:00 | 0 |
|
||
| 9 | 3 | 2019-12-20 10:39:00 | 0 |
|
||
| 10 | 2 | 2020-01-01 14:11:00 | 0 |
|
||
+----------+---------+---------------------+--------+
|
||
10 rows in set (0.00 sec)
|
||
|
||
mysql> SELECT * FROM order_items;
|
||
+----------+---------+----------+
|
||
| order_id | item_id | quantity |
|
||
+----------+---------+----------+
|
||
| 1 | 2 | 1 |
|
||
| 1 | 6 | 10 |
|
||
| 1 | 7 | 1 |
|
||
| 1 | 11 | 10 |
|
||
| 2 | 4 | 1 |
|
||
| 3 | 9 | 1 |
|
||
| 4 | 7 | 1 |
|
||
| 4 | 8 | 1 |
|
||
| 5 | 2 | 7 |
|
||
| 5 | 3 | 5 |
|
||
| 5 | 5 | 1 |
|
||
| 5 | 7 | 1 |
|
||
| 5 | 10 | 1 |
|
||
| 5 | 11 | 5 |
|
||
| 6 | 8 | 10 |
|
||
| 7 | 4 | 2 |
|
||
| 8 | 1 | 1 |
|
||
| 8 | 9 | 1 |
|
||
| 9 | 3 | 4 |
|
||
| 9 | 5 | 2 |
|
||
| 9 | 8 | 10 |
|
||
| 10 | 1 | 2 |
|
||
| 10 | 10 | 2 |
|
||
+----------+---------+----------+
|
||
23 rows in set (0.00 sec)
|
||
|
||
mysql> SELECT * FROM users;
|
||
+---------+----------+----------+------+--------+
|
||
| user_id | name | password | age | is_del |
|
||
+---------+----------+----------+------+--------+
|
||
| 1 | 三浦知一 | KfCQDjiZ | 53 | 0 |
|
||
| 2 | 遠藤保 | V3mngzMP | 40 | 0 |
|
||
| 3 | 柴崎学 | XktKCvCx | 27 | 0 |
|
||
| 4 | 本田啓介 | bSCebKnP | 33 | 0 |
|
||
| 5 | 花川真司 | xKetmAcH | 30 | 0 |
|
||
+---------+----------+----------+------+--------+
|
||
5 rows in set (0.00 sec)
|
||
|
||
mysql> SELECT * FROM item_category;
|
||
+-------------+------+--------+
|
||
| category_id | name | is_del |
|
||
+-------------+------+--------+
|
||
| 1 | 家具 | 0 |
|
||
| 2 | 飲料 | 0 |
|
||
| 3 | 食品 | 0 |
|
||
+-------------+------+--------+
|
||
3 rows in set (0.00 sec)
|
||
|
||
mysql> SELECT order.id,user_id,order_time,item_id,quantity FROM order_items INNER JOIN orders ON order_id = order_items.order_id;
|
||
ERROR 1054 (42S22): Unknown column 'order.id' in 'field list'
|
||
mysql> SELECT `商品ID`,`商品名`,`価格`,`カテゴリ名` FROM items;
|
||
+--------+------------------------+--------+------------+
|
||
| 商品ID | 商品名 | 価格 | カテゴリ名 |
|
||
+--------+------------------------+--------+------------+
|
||
| 1 | ローマのテーブル | 150000 | 1 |
|
||
| 2 | げーたるーど2000 500ml | 370 | 2 |
|
||
| 3 | 原始肉 | 2500 | 3 |
|
||
| 4 | 魅惑の椅子 | 100000 | 1 |
|
||
| 5 | 十八茶 600ml | 110 | 1 |
|
||
| 6 | いい匂いのするドリアン | 5000 | 3 |
|
||
| 7 | 太平洋の水 550ml | 300 | 2 |
|
||
| 8 | ひたすら膨らむガム | 200 | 3 |
|
||
| 9 | 人をだめにするソファー | 10000 | 1 |
|
||
| 10 | 人を虜にする名酒 | 20000 | 2 |
|
||
| 11 | 新鮮キャベツ | 1000 | 3 |
|
||
+--------+------------------------+--------+------------+
|
||
11 rows in set (0.00 sec)
|
||
|
||
mysql> items.`商品ID`,items.`商品名`,items.`価格,items,`カテゴリ名` FROM item_category INNER JOIN items.`カテゴリ名` = item_category.category_id;
|
||
`> ^C
|
||
mysql> items.`商品ID`,items.`商品名`,items.`価格,items,`カテゴリ名` FROM item_category INNER JOIN items.`カテゴリ名` = item_category.category_id;
|
||
`> ^C
|
||
mysql> SELECT items.`商品ID`, items.`商品名`, items.`価格`, item_category.`カテゴリ名` FROM items INNER JOIN item_category ON items.`カテゴリID` = item_category.category_id;
|
||
ERROR 1054 (42S22): Unknown column 'item_category.カテゴリ名' in 'field list'
|
||
mysql> |