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엔티티심화_지연로딩과_즉시로딩_엔플러스1문제

엔티티심화_지연로딩과_즉시로딩_엔플러스1문제

필기 가자

  • entity, dto, request/reponse 개념 구분.
  • N+1 예방 방법
    • fetch join
    • batch size
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