Created
December 2, 2014 00:58
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[データベースシステム論] 試行課題3
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--試行課題3 | |
---以下の2つの問い合わせの意味の違いを考えよ | |
--一番安いワインを得る問い合わせ その1 | |
SELECT * FROM wine ORDER BY price LIMIT 1; | |
--一番安いワインを得る問い合わせ その2 | |
SELECT * FROM wine | |
WHERE price= ( | |
SELECT min(price) FROM wine); |
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