Posted in JPA

Many to One Mapping in JPA

In this example I am going to show you how we can implement Many to One(@ManyToOne) relationship using JPA persistence API in Java. The Java Persistence API (JPA) is a Java specification for accessing, persisting, and managing data between Java objects / classes and a relational database. The JPA is used to reduce the burden of writing codes for relational…

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Posted in Hibernate

Bidirectional One-To-Many/Many-To-One Relationship using Join Tables in Hibernate

In bidirectional association, we will have navigation in both direction, i.e, both side of the association will have the reference to the other side. The both side of the association will implement one of the collection interfaces, if it has the reference to the other entity. In one to many or many to one relationship, one source object can have…

Continue Reading... Bidirectional One-To-Many/Many-To-One Relationship using Join Tables in Hibernate
Posted in Hibernate

Unidirectional Many-To-One Relationship with Join Tables in Hibernate

In unidirectional association, we will have navigation only in one direction, i.e, only one side of the association will have the reference to the other side. The one side of the association will implement one of the collection interfaces, if it has the reference to the other entity. In many to one relationship, multiple target objects can have relationship with…

Continue Reading... Unidirectional Many-To-One Relationship with Join Tables in Hibernate
Posted in Hibernate

Spring Data JPA Bidirectional Many-To-One/One-To-Many Relationship

Introduction In bidirectional association, you will have navigations in both direction, i.e, both side of the association will have the reference to the other side. The both side of the association will implement one of the collection interfaces, if it has the reference to the other entity. In many-to-one/one-to-many relationship, multiple source objects can have relationship with same target object or…

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Posted in Spring Boot Spring JPA

Spring Boot Data JPA Unidirectional Many-To-One Relationship

Introduction In unidirectional association, you will have navigation only in one direction, i.e, only one side of the association will have the reference to the other side. The one side of the association will implement one of the collection interfaces, if it has the reference to the other entity. In many to one relationship, multiple source objects can have relationship with…

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