Spring Data JPA | JPA Relationships

Mastering JPA relationships: practical examples of bidirectional associations

From One-To-One to Many-To-Many, with practical examples of bidirectional associations

Photo by Brendan Church on Unsplash

In this article, we will explore the implementation of JPA relationships using practical examples rather than going into extensive explanations as we have done in this series of articles.

Ivan Franchin

JPA Relationships Series

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Our focus here will be on providing straightforward cases and demonstrating the corresponding code implementations.

So, let’s get started!

One-to-One with Simple Primary Key

Use Case

• A Team can have zero or one associated TeamDetail, while each TeamDetail exclusively belongs to one Team.
• Both the Team and TeamDetail entities require numeric primary keys with auto-increment functionality.
• The association between Team and TeamDetail should…