JPA/Hibernate One To One unidirectional mapping in Spring Boot

In this tutorial, I will show you how to implement Spring JPA One-To-One unidirectional mapping with Hibernate in a Spring Boot example using @OneToOne annotation. You’ll know:

  • How to configure Spring Data, JPA, Hibernate to work with Database
  • How to define Data Models and Repository interfaces for JPA One-To-One relationship
  • Way to use Spring JPA to interact with Database for One-To-One association
  • Way to create Spring Rest Controller to process HTTP requests

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JPA One To Many example with Hibernate and Spring Boot
JPA Many to Many example with Hibernate in Spring Boot
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Spring JPA + H2 example
Spring JPA + MySQL example
Spring JPA + PostgreSQL example
Spring JPA + Oracle example
Spring JPA + SQL Server example

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MongoDB One-to-One relationship tutorial with Mongoose example

Relationship in NoSQL database is not the same as traditional SQL database. That’s why you need to implement basic types of associations (such as One-to-One, One-to-Many, Many-to-Many) yourself. In this tutorial, I will show you 2 ways to make One-to-One Relationships, then we will implement Mongoose One-to-One relationship example in a Nodejs & MongoDB project.

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MongoDB One-to-Many Relationship tutorial with Mongoose examples
MongoDB Many-to-Many Relationship with Mongoose examples

Node.js, Express & MongoDb: Build a CRUD Rest Api example
Node.js + MongoDB: User Authentication & Authorization with JWT

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