sale
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seq customer saler
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1 A 홍길동
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product
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product price sale_seq
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가 1000 1
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나 2000 1
-----------------------------------
결과가..
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seq customer saler product price
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1 A 홍길동 가,나 3000
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위와 같이 나오려면 어떻게 쿼리를 사용해야 할까요?
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