One to One

One to One Mapping in JPA

In this example I am going to show you how we can implement One to One(@OneToOne) 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 […]

Bidirectional One-To-One Relationship with 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 one relationship, one source object can […]

Unidirectional One-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 one to one relationship, single target […]

Bidirectional One-To-One Relationship on Primary Key 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 one relationship, one source object can […]

Bidirectional One-To-One Relationship on Foreign Key in Hibernate

In bidirectional association, we will have navigation in both directions, 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 one relationship, one source object can […]

Unidirectional One-To-One Relationship on Primary Key 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. In one to one relationship, one source object can have relationship with only one target object. Let’s consider CD and Artist. So one CD can be written by one […]

Unidirectional One-To-One Relashionship on Foreign Key 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. In one to one relationship, one source object can have relationship with only one target object. Let’s consider CD and Artist. So one CD can be written by one […]

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