質問編集履歴
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＋を消しました。
test
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File without changes
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@@ -22,24 +22,24 @@
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-- 「サンダル」を購入したユーザーのidと名前を取得してください
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SELECT users.id, users.name
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FROM sales_records
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JOIN users
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ON sales_records.user_id = users.id
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WHERE sales_records.item_id = (
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SELECT id
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FROM items
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WHERE name = "サンダル"
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)
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GROUP BY users.id;
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```
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