2024/5/11 -Learn three different ways to maintain a one-to-one relationship with JPA.
2024/4/23 -JPA One-to-One mapping is the common association relationship where one instance of the entity is associated with exactly one instance of another entity.
2024/4/24 -Introduction. In this article, we are going to see what is the best way we can use OneToOne optional attribute so that we can avoid N+1 query issues.
2024/5/20 -Is there anything specific to Mapping relationship that is declared wrong. Yes. Most directly, a @JoinColumn annotation declares a foreign key column in the ...
2024/4/24 -The best way to use the JPA OneToOne optional attribute ... Interesting is, that EclipseLink would not fetch the PostDetails assoziation, even without optional= ...
2024/5/11 -To define a unidirectional association in Java, we can use annotations such as @ManyToOne, @OneToMany, @OneToOne, and @ManyToMany. By using these annotations, ...
2024/4/29 -This is where an intermediary Plain Old Java Object (POJO) comes in. We need a POJO helper class which models one-to-one relationship between two entities.
2024/5/19 -I have this two class in Java @Entity @Table(name = "user") public class UserDb { @Id @GeneratedValue(strategy = GenerationType.IDENTITY) private Long id; @ ...
2024/5/6 -Description: Specifies the column used for the join in the database, typically in @ManyToOne and @OneToOne relationships. Attributes: name (column name), ...
2024/5/12 -The problem with this is that your application will throw exceptions if you don't set the associated entity. The easy solution is to allow nulls aka remove the ...