How to cascade DELETE unidirectional associations with Spring Data JPA
Introduction In this article, we are going to see how to cascade DELETE the unidirectional associations with Spring Data JPA when we cannot rely on the CascadeType mechanism that propagates state transitions from parent to child entities.
The best way to map a @OneToMany relationship with JPA and Hibernate
Introduction While adding a @OneToMany relationship is very easy with JPA and Hibernate, knowing the right way to map such an association so that it generates very efficient SQL statements is definitely not a trivial thing to do. In a relational database system, a one-to-many association links two tables based on a Foreign Key column so that the child table record references the Primary Key of the parent table row. As straightforward as it might be in a relational database, when it comes to JPA, the one-to-many database association can be represented… Read More
