안녕하세요.&nbsp; jpa를 사용하여 데이터를 가져올 때
findById와 다르게 Name을 가져올 때는 쿼리를 사용하는 이유가 잘 이해가 되지 않습니다.&nbsp;

<span style="font-size: 12pt; font-family: Arial;" data-sheets-value="[null,2,&quot;\uc548\ub155\ud558\uc138\uc694. \ub2d8, \uacf5\uc2dd \uc11c\ud3ec\ud130\uc988 OMG\uc785\ub2c8\ub2e4.\u000a\u000a\u000a\u000a\uac10\uc0ac\ud569\ub2c8\ub2e4.&quot;]" data-sheets-userformat="{&quot;2&quot;:1063747,&quot;3&quot;:{&quot;1&quot;:0},&quot;4&quot;:[null,2,16777215],&quot;9&quot;:0,&quot;11&quot;:0,&quot;12&quot;:0,&quot;14&quot;:[null,2,0],&quot;15&quot;:&quot;Arial&quot;,&quot;16&quot;:12,&quot;23&quot;:1}" data-sheets-textstyleruns="{&quot;1&quot;:0}[null,10,{&quot;2&quot;:[null,2,1136076],&quot;9&quot;:1}]{&quot;1&quot;:17}" data-sheets-hyperlinkruns="[null,10,&quot;https://www.inflearn.com/blogs/617&quot;]{&quot;1&quot;:17}">안녕하세요. 김동환님, <a class="in-cell-link" href="https://www.inflearn.com/blogs/617" target="_blank" rel="noopener">공식 서포터즈</a> OMG입니다.
<span style="font-size: 12pt; font-family: Arial;" data-sheets-value="[null,2,&quot;\uc548\ub155\ud558\uc138\uc694. \ub2d8, \uacf5\uc2dd \uc11c\ud3ec\ud130\uc988 OMG\uc785\ub2c8\ub2e4.\u000a\u000a\u000a\u000a\uac10\uc0ac\ud569\ub2c8\ub2e4.&quot;]" data-sheets-userformat="{&quot;2&quot;:1063747,&quot;3&quot;:{&quot;1&quot;:0},&quot;4&quot;:[null,2,16777215],&quot;9&quot;:0,&quot;11&quot;:0,&quot;12&quot;:0,&quot;14&quot;:[null,2,0],&quot;15&quot;:&quot;Arial&quot;,&quot;16&quot;:12,&quot;23&quot;:1}" data-sheets-textstyleruns="{&quot;1&quot;:0}[null,10,{&quot;2&quot;:[null,2,1136076],&quot;9&quot;:1}]{&quot;1&quot;:17}" data-sheets-hyperlinkruns="[null,10,&quot;https://www.inflearn.com/blogs/617&quot;]{&quot;1&quot;:17}">JPA에서 id는 필수값이며 영속성 컨텍스트에서도 식별을 위해 반드시 필요한값입니다. 그리하여 객체 조회 시 id로 조회가 가능하지만 name필드는 가능하지 않아 쿼리를 사용하여 확인하는 것 으로 이해하시면 될 것 같습니다.
<span style="font-size: 12pt; font-family: Arial;" data-sheets-value="[null,2,&quot;\uc548\ub155\ud558\uc138\uc694. \ub2d8, \uacf5\uc2dd \uc11c\ud3ec\ud130\uc988 OMG\uc785\ub2c8\ub2e4.\u000a\u000a\u000a\u000a\uac10\uc0ac\ud569\ub2c8\ub2e4.&quot;]" data-sheets-userformat="{&quot;2&quot;:1063747,&quot;3&quot;:{&quot;1&quot;:0},&quot;4&quot;:[null,2,16777215],&quot;9&quot;:0,&quot;11&quot;:0,&quot;12&quot;:0,&quot;14&quot;:[null,2,0],&quot;15&quot;:&quot;Arial&quot;,&quot;16&quot;:12,&quot;23&quot;:1}" data-sheets-textstyleruns="{&quot;1&quot;:0}[null,10,{&quot;2&quot;:[null,2,1136076],&quot;9&quot;:1}]{&quot;1&quot;:17}" data-sheets-hyperlinkruns="[null,10,&quot;https://www.inflearn.com/blogs/617&quot;]{&quot;1&quot;:17}">추가적으로 아래 링크의 find() vs JPQL 항목 설명을 참고하시길 권장드립니다.
<span style="font-size: 12pt; font-family: Arial;" data-sheets-value="[null,2,&quot;\uc548\ub155\ud558\uc138\uc694. \ub2d8, \uacf5\uc2dd \uc11c\ud3ec\ud130\uc988 OMG\uc785\ub2c8\ub2e4.\u000a\u000a\u000a\u000a\uac10\uc0ac\ud569\ub2c8\ub2e4.&quot;]" data-sheets-userformat="{&quot;2&quot;:1063747,&quot;3&quot;:{&quot;1&quot;:0},&quot;4&quot;:[null,2,16777215],&quot;9&quot;:0,&quot;11&quot;:0,&quot;12&quot;:0,&quot;14&quot;:[null,2,0],&quot;15&quot;:&quot;Arial&quot;,&quot;16&quot;:12,&quot;23&quot;:1}" data-sheets-textstyleruns="{&quot;1&quot;:0}[null,10,{&quot;2&quot;:[null,2,1136076],&quot;9&quot;:1}]{&quot;1&quot;:17}" data-sheets-hyperlinkruns="[null,10,&quot;https://www.inflearn.com/blogs/617&quot;]{&quot;1&quot;:17}"> 참고
<a href="https://coding-start.tistory.com/104"><span style="font-size: 12pt; font-family: Arial;" data-sheets-value="[null,2,&quot;\uc548\ub155\ud558\uc138\uc694. \ub2d8, \uacf5\uc2dd \uc11c\ud3ec\ud130\uc988 OMG\uc785\ub2c8\ub2e4.\u000a\u000a\u000a\u000a\uac10\uc0ac\ud569\ub2c8\ub2e4.&quot;]" data-sheets-userformat="{&quot;2&quot;:1063747,&quot;3&quot;:{&quot;1&quot;:0},&quot;4&quot;:[null,2,16777215],&quot;9&quot;:0,&quot;11&quot;:0,&quot;12&quot;:0,&quot;14&quot;:[null,2,0],&quot;15&quot;:&quot;Arial&quot;,&quot;16&quot;:12,&quot;23&quot;:1}" data-sheets-textstyleruns="{&quot;1&quot;:0}[null,10,{&quot;2&quot;:[null,2,1136076],&quot;9&quot;:1}]{&quot;1&quot;:17}" data-sheets-hyperlinkruns="[null,10,&quot;https://www.inflearn.com/blogs/617&quot;]{&quot;1&quot;:17}">https://coding-start.tistory.com/104</a>
<span style="font-size: 12pt; font-family: Arial;" data-sheets-value="[null,2,&quot;\uc548\ub155\ud558\uc138\uc694. \ub2d8, \uacf5\uc2dd \uc11c\ud3ec\ud130\uc988 OMG\uc785\ub2c8\ub2e4.\u000a\u000a\u000a\u000a\uac10\uc0ac\ud569\ub2c8\ub2e4.&quot;]" data-sheets-userformat="{&quot;2&quot;:1063747,&quot;3&quot;:{&quot;1&quot;:0},&quot;4&quot;:[null,2,16777215],&quot;9&quot;:0,&quot;11&quot;:0,&quot;12&quot;:0,&quot;14&quot;:[null,2,0],&quot;15&quot;:&quot;Arial&quot;,&quot;16&quot;:12,&quot;23&quot;:1}" data-sheets-textstyleruns="{&quot;1&quot;:0}[null,10,{&quot;2&quot;:[null,2,1136076],&quot;9&quot;:1}]{&quot;1&quot;:17}" data-sheets-hyperlinkruns="[null,10,&quot;https://www.inflearn.com/blogs/617&quot;]{&quot;1&quot;:17}">관련하여 영한님의 JPA기본편 강의에세도 자세히 알려주십니다^^ 감사합니다.

스프링 입문 - 코드로 배우는 스프링 부트, 웹 MVC, DB 접근 기술

findByName을 찾을 때 쿼리를 사용하는 이유

각 리소스를 사용 후 반드시 직접 닫아줘야 해서

테스트 간 데이터 독립성을 보장하기 어려워서

인프런 커뮤니티 질문&답변

findByName을 찾을 때 쿼리를 사용하는 이유