JPA 관련 내용

Join과 FetchJoin

• https://cobbybb.tistory.com/18
• https://velog.io/@antcode97/Fetch-Join%EC%9D%98-%ED%95%9C%EA%B3%84
• https://offetuoso.github.io/blog/develop/backend/orm-jpa-basic/jpql-fetch-join/

save()의 동작을 파헤쳐보자

• https://hello-backend.tistory.com/159