[22기_변하영] 성능최적화 미션 제출합니다. #56
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지난 주 pr로 확인했습니다! 성능 최적화 부분에서 join순서로 최적화하는 건 따로 시도해본 적이 없는데, 이렇게 확인해보니 큰 차이가 있는 걸 알게되었습니당 alter로도 인덱스를 생성할 수 있군요! 저는 create index를 이용해서 신기했어요! 수고하셨습니다~! |
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오 저는 복합 인덱스 사용만 시도했는데, IN-EXITS, JOIN 순서 등을 고려하면서 최적화를 하셨네요. |
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