特になし
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問1
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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.category_id = item_category.category_id ORDER BY 商品ID ASC;
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@@ -4,7 +4,7 @@ INSERT INTO item_category(category_name)VALUES('家具')('飲料'),('食品');
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問2
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CREATE TABLE items(item_id INT PRIMARY KEY AUTO_INCREMENT,name VARCHAR(256) NOT NULL,price INT NOT NULL,category_id INT, FOREIGN KEY(category_id)REFERENCES item_category(category_id));
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INSERT INTO itemINSERT INTININSERT INTO items(name,price,category_id) VALUE('ローマのテーブル',150000,1),('げーたるーど2000 500ml',370,2),('原始肉',2500,3),('魅惑の椅子',100000,1);
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INSERT INTO items(name,price,category_id) VALUE('ローマのテーブル',150000,1),('げーたるーど2000 500ml',370,2),('原始肉',2500,3),('魅惑の椅子',100000,1);
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問3
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SELECT item_category.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;
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