040. One To One JPA Relationships - dkkahm/study-springfamework5 GitHub Wiki

Recipe --- Notes

@Entity
public class Recipe {
    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    private Long id;

    ....

    @OneToOne(cascade = CascadeType.ALL)
    private Notes notes;

    ....
}

@Entity
public class Notes {
    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    private Long id;

    @OneToOne
    private Recipe recipe;

    ....
}