The Baeldung logo
  • The Baeldung Logo
  • Start Here
  • Spring Courses ▼▲
    • REST with Spring Boot

      The canonical reference for building a production grade API with Spring

    • Learn Spring Security ▼▲

      THE unique Spring Security education if you’re working with Java today

      • Learn Spring Security Core

        Focus on the Core of Spring Security 6

      • Learn Spring Security OAuth

        Focus on the new OAuth2 stack in Spring Security 6

    • Learn Spring

      From no experience to actually building stuff​

    • Learn Spring Data JPA

      The full guide to persistence with Spring Data JPA

  • Java Courses ▼▲
    • Learn JUnit

      Master the most popular Java testing framework.

    • Learn Maven

      Simplify Your Build with Apache Maven

    • Learn Hibernate JPA

      Master persistence with the Java specification and Hibernate implementation

  • Pricing
  • About ▼▲
    • Full Archive

      The high level overview of all the articles on the site.

    • Baeldung Ebooks

      Discover all of our eBooks

    • About Baeldung

      About Baeldung.

Category upPersistence

JPA » Entity Relationships

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 (29)
  • JPA Annotations (20)
  • Spring Data JPA (19)
  • JPA Entities (19)
  • JPA Basics (16)
  • SQL (13)
  • x Entity Relationships (10)
  • Exception (8)
  • PostgreSQL (6)
  • JPQL (5)
  • Entity ID (5)

>> Overview of JPA/Hibernate Cascade Types

  • popular

>> JPA Join Types

  • popular

>> One-to-One Relationship in JPA

  • popular

>> Many-To-Many Relationship in JPA

  • popular

>> Fixing HibernateException: Illegal Attempt to Associate a Collection With Two Open Sessions

>> Inheritance vs. Composition in JPA

>> Save Child Objects Automatically Using JPA

>> Unidirectional One-to-Many and Cascading Delete in JPA

>> Remove Entity with Many-to-Many Relationship in JPA

>> JPA CascadeType.REMOVE vs orphanRemoval

Course – LSSO – NPI EA (tag = OAuth)
LSSO Course Banner
The Baeldung logo

Courses

  • All Courses
  • Baeldung All Access
  • Baeldung All Team Access
  • The Courses Platform

Series

  • Java “Back to Basics” Tutorial
  • Learn Spring Boot Series
  • Spring Tutorial
  • Get Started with Java
  • All About String in Java
  • Security with Spring
  • Java Collections

About

  • About Baeldung
  • The Full Archive
  • Editors
  • Our Partners
  • Partner with Baeldung
  • eBooks
  • FAQ
  • Baeldung Pro
  • Terms of Service
  • Privacy Policy
  • Company Info
  • Contact
The Baeldung Logo