回答編集履歴
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追記
test
CHANGED
@@ -23,3 +23,25 @@
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) step1
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```
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試してないけど、こっちでもいけるかも
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```SQL
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SELECT hotel_id, AVG(rating) AS rate
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, CASE WHEN AVG(rating) > 4.5 THEN '非常に良い'
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WHEN AVG(rating) > 3 THEN '普通'
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WHEN AVG(rating) <= 3 THEN '平均未満'
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ELSE '評価なし'
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END AS ratingresult
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FROM hotels_reviews
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GROUP BY hotel_id
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```
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