Albothyl 정리노트.

1. Embedded를 활용한 복합키 @Entity @Table(name = "some_entity") public class SomeEntity { @EmbeddedId private SomeId id; private String name; } @Embeddable public class SomeId { private Long someNumer; private Long someString; } 2. IdClass를 활용한 복합키 @Entity @IdClass(OtherId.class) @Table(name = "other_entity") public class OtherEntity { @Id private Long otherNumer; @Id private Long otherString; private..