JPA and Hibernate Tutorials In Practice with Hands-On Experience Examples Series

This guide is designed to help you learn using JPA and Hibernate with Spring Data in practice to Create, Read, Update, and Delete (CRUD) data in the database with hands-on experience tutorials and examples series

JPA

The Java Persistence API (JPA) is a specification providing functionality standard to object relationship mapping (ORM) tool

Hibernate

Hibernate is an open-source ORM tool providing CRUD abstraction to the underlying database via Java objects (so your code will be loosely coupled with the database). Hibernate implements JPA specification

Prerequisites

Your local computer should have installed JDK 8+ or OpenJDK 8+, Maven 3+, Docker CE 18+

Curriculum

• One To One Relationship Mapping

  • One To One Foreign Key Bidirectional Mapping

  • One To One Shared Primary Key Unidirectional Mapping

  • One To One Shared Primary Key Bidirectional Mapping

• One To Many Relationship Mapping

  • One To Many Bidirectional Mapping with REST API

  • One To Many Unidirectional Mapping with REST API

• Many To Many Relationship Mapping

  • Many To Many Joined Entity Unidirectional Mapping with Single Primary Key

  • Many To Many Joined Entity Bidirectional Mapping with Single Primary Key

  • Many To Many Joined Entity Bidirectional Mapping with Composite Primary Keys

  • Many To Many Without Joined Entity Bidirectional Mapping with @ManyToMany

• Handling Circular References in Spring Data REST

• Handling N+1, LazyInitializationException, and EAGER FetchType Problems

• Managing Database Transaction in Spring Boot

• Deleting Data with JPQL, CascadeType, and orphanRemoval

• JPA and Hibernate CRUD REST API Examples in Spring Boot and MySQL

• Testing Data Layer with @DataJPATest in Spring Boot

• Handling Database Migration in Spring Boot with Flyway