In the example section of the @OneToMany JPA annotation reference: Example 1-59 @OneToMany - Customer Class With Generics @Entity public class Customer implements Serializable { ... @OneToMany(...

I have the model below : an article can have some tags and a tag can be on some articles. So it is a many-to-many relationship with 3 tables : ARTICLE ARTICLE_TAG TAG When I delete a tag, I wan...

Welcome, I have 2 classes: Conversation and Question. One Conversation have many questions. Conversation.java: package com.jcg.jpa.mappedBy; import java.io.Serializable; import java.util.ArrayL...

What is the reason for setting MappedBy in bidirectional many-to-many relationships? When one table has significant amount of records, while other has a few, which side is better to put mappedBy? ...