JPA 관련 링크

• One to One 매핑 시 PrimaryKey 기반의 매핑 방법 관련
  • http://kwonnam.pe.kr/wiki/java/jpa/one-to-one
  • http://whiteship.tistory.com/1459
• Jpa N+1
  • https://www.slideshare.net/nimbae/jpa-n1
• How to do an UPSERT with Hibernate and MySQL and avoid throwing “Duplicate entry for key” issues
  • https://discourse.hibernate.org/t/how-to-do-an-upsert-with-hibernate-and-mysql-and-avoid-throwing-duplicate-entry-for-key-issues/2349
• Hierarchy For Package org.springframework.dao
  • https://docs.spring.io/spring-framework/docs/current/javadoc-api/org/springframework/dao/package-tree.html
• 예외 전환
• https://davidpark20.tistory.com/37