Hibernate Tutorial

Hibernate Tutorial

A practical guide to Hibernate, built around one idea per lesson. It follows Hibernate 7.4 and the Jakarta Persistence API, and it points out old approaches, such as javax.persistence imports and save(), that no longer work.

Hibernate Tutorial

Hibernate hides a lot of SQL, and that convenience causes problems when it is not understood, such as slow queries from the N+1 problem or data lost through wrong cascade settings. Many tutorials also still teach removed methods and old package names. This handbook is written for the current version, so what you learn works in a new project.

Hibernate Tutorial

This handbook is for Java developers new to Hibernate, developers moving from JDBC to an ORM, and Spring Boot users who want to understand what happens under Spring Data JPA. It also helps developers whose Hibernate knowledge is from version 5 or earlier.

Prerequisites

This course is suitable for:

• Core Java, including OOP concepts and collections
• Basic SQL and relational database concepts such as tables, keys and joins
• Java 17 or higher installed
• Basic familiarity with Maven or Gradle
• A database to practise on, such as H2, MySQL or PostgreSQL