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Hibernate- Annotations

14 posts

Spring - @DeleteMapping and @PutMapping Annotation

Last Updated: 10 March 2026

In Spring Boot, @PutMapping and @DeleteMapping are commonly used in controller classes to map HTTP PUT and DELETE requests to specific methods. These annotations make the ...read more

Java-Spring-Data-JPA

Hibernate- Annotations

Spring @Primary Annotation

Last Updated: 04 January 2025

@Primary annotation in Spring is used to indicate the primary bean when multiple beans of the same type are present for auto wiring. When multiple beans are eligible for a...read more

Java-Spring-Data-JPA

Hibernate- Annotations

Hibernate - Difference Between @JoinColumn and @PrimaryKeyJoinColumn

Last Updated: 23 July 2025

@JoinColumn annotation in JPA is used to specify the column which is responsible for storing the foreign key value that established the relationship between two entities. ...read more

Hibernate- Annotations

Hibernate - @PrimaryKeyJoinColumn Annotation

Last Updated: 28 April 2025

@PrimaryKeyJoinColumn in Hibernate is used to specify the primary key of the associated entity as the foreign key of the current entity. This annotation is used to establi...read more

Java-Spring-Data-JPA

Hibernate- Annotations

Hibernate - @OneToOne Annotation

Last Updated: 28 April 2025

@OnetoOne annotation in Hibernate is used to create a one-to-one association between two entities. The one-to-one annotation indicates that one instance of an entity is as...read more

Java-Spring-Data-JPA

Hibernate- Annotations

Hibernate - @OneToMany Annotation

Last Updated: 28 April 2025

@OneToMany annotation in Hibernate is used to obtain one-to-many relationships between two entities. It is used to map a collection-valued association where a single insta...read more

Java-Spring-Data-JPA

Hibernate- Annotations

Hibernate - @MapsId Annotation

Last Updated: 28 April 2025

@MapsId annotation in Hibernate is used to obtain a one-to-one relationship between two entities by mapping the primary key of one entity to the foreign key of another ent...read more

Java-Spring-Data-JPA

Hibernate- Annotations

Hibernate - @ManyToOne Annotation

Last Updated: 28 April 2025

@ManytoOne annotation in Hibernate is used to create a many-to-one relationship between two entities. The @ManyToOne annotation indicates that the many instances of one en...read more

Java-Spring-Data-JPA

Hibernate- Annotations

Hibernate - @ManyToMany Annotation

Last Updated: 28 April 2025

@ManyToMany annotation in Hibernate is used to obtain many-to-many relationships between two entities. It allows us to create a bidirectional relationship between two enti...read more

Java-Spring-Data-JPA

Hibernate- Annotations

Hibernate - @Lob Annotation

Last Updated: 28 April 2025

Many times there is a scenario while storing the data in the database that we have to store images or files within our database for a specific entity. In that case, we can...read more

Java-Spring-Data-JPA

Hibernate- Annotations

When to Use @JoinColumn Annotation in Hibernate?

Last Updated: 28 April 2025

The @JoinColumn annotation in Hibernate is used to specify the mapping of a foreign key column in a relationship between two entities. The @JoinColumn annotation is applie...read more

Java-Spring-Data-JPA

Hibernate- Annotations

Hibernate - @Inheritance Annotation

Last Updated: 28 April 2025

The @Inheritance annotation in JPA is used to specify the inheritance relation between two entities. It is used to define how the data of the entities in the hierarchy sho...read more

Java-Spring-Data-JPA

Hibernate- Annotations

When to Use @DiscriminatorValue Annotation in Hibernate?

Last Updated: 28 April 2025

The @DiscriminatorColumn annotation in JPA is used to differentiate one entity from another entity class from an inheritance hierarchy. This annotation is used to provide ...read more

Java-Spring-Data-JPA

Hibernate- Annotations

Hibernate - @GeneratedValue Annotation in JPA

Last Updated: 23 April 2026

@GeneratedValue is a JPA annotation used to let the persistence provider automatically assign values to primary key fields. It eliminates manual ID management and ensures ...read more

Java-Spring-Data-JPA

Hibernate- Annotations