: FK - id : PK - id : PK@Entity{ @GeneratedValueprivate List<CompanyEmail> emails = new ArrayList<>();public class Person @Id
@GeneratedValueWhat strategy to use to be able
我在实体类中有如下所示的模型类@Table(name="TblKnow") @Column(name="IdKnow")ID是由数据库自动生成的,所以我不需要填写ID。:ids for this class must be manually assigned before calling save(): com.melk.spring.model.Know