[23기_최승원] 성능최적화 미션 제출합니다.#72
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고생하셨습니다!
트랜잭션 분리, 인덱스 적용 등의 최적화는 추후에 그루핏 리팩토링 과정에서 같이 적용해보아요~
| 2. 최적화(인덱스 추가) | ||
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| EXPLAIN SELECT * FROM orders WHERE user_id = 1 ORDER BY created_at DESC LIMIT 5; |
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EXPLAIN 문을 사용해서 인덱스를 적용함으로써 얻을 수 있는 이점을 구체적으로 파악할 수 있네요!
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