[23기_김태희] 성능최적화 미션 제출합니다.#66
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gitaehee wants to merge 2 commits into
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May 25, 2026
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스터디 과제하시느라 고생많으셨습니다
팀프로젝트도 같이 화이팅해서 좋은 활동으로 남았으면 좋겠습니다~!
| | -- | ---------------------------------------- | | ------------------------ | | ||
| | 1 | `item_order(user_id, ordered_at)` 인덱스 추가 | 완료 | 사용자 주문 목록 조회 속도 개선 | | ||
| | 2 | 주문 목록 조회 N+1 제거 | 완료 | 쿼리 개수 감소 | | ||
| | 3 | 상품 가격 계산 반복 조회 제거 | 완료 | 반복 SELECT를 IN 조회 1번으로 감소 | |
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인덱스 뿐 아니라 다양한 방법으로 쿼리 성능을 개선한게 인상깊었습니다~!
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