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Category upPersistence

JPA » JPA Entities

The Java Persistence API (JPA) provides the ORM layer for managing relational data in Java. Learn how to use JPA in your code through the guides below.

  • Hibernate (34)
  • x JPA Entities (20)
  • Spring Data JPA (20)
  • JPA Annotations (20)
  • JPA Basics (17)
  • SQL (15)
  • Exception (12)
  • Entity Relationships (10)
  • JPQL (6)
  • PostgreSQL (6)
  • Entity ID (5)

>> Defining JPA Entities

  • popular
  • reference

>> JPA Entity Lifecycle Events

  • popular

>> Default Column Values in JPA

  • popular

>> JPA Entity Graph

  • popular

>> Detach and Attach Entity in Spring JpaRepository

>> Troubleshooting Spring JPA Attribute Naming Issues

>> Query JPA Repository With Single Table Inheritance Subtypes

>> How to Clone a JPA Entity

>> How to Make a Field Optional in JPA Entity?

>> How to Fix Hibernate UnknownEntityException: Could not resolve root entity

>> Count Queries In JPA Using CriteriaQuery

>> Clear Managed Entities in JPA/Hibernate

>> List vs. Set in @OneToMany JPA

>> Need for Default Constructor in JPA Entities

>> JPA Entities and the Serializable Interface

>> How to Return Multiple Entities in JPA Query

>> JPA Entity Equality

>> Constructing a JPA Query Between Unrelated Entities

>> Working with Lazy Element Collections in JPA

>> Mapping a Single Entity to Multiple Tables in JPA

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