Hibernate Group By

Hibernate Group By

Author: Trevor Page: Java Guru | Programmer | Teacher October 10, 2014 Duration: 43:05

In our last Hibernate lesson, you learned how to fix duplicate data from hibernate queries.

In this lesson we're going to focus on some of theaggregate functions that can be used with Hibernate, and of course that means diving into theGroup By clause.

What's important to note is that Hibernate doesn't ever refer to it as group by, instead they use the term projections.

So, armed with this knowledge, let's jump into the lesson!

Grouping Data with Hibernate

In our examples, I'm going to show you how to create a query with hibernate that will group your data in some manner.

When we build our query, we will be focusing on using Hibernate's Criteria queries, which allows for a nice way to build queries without having to know any SQL.

First, let's start off with an example that we will build on.

...continue reading.


The How to Program with Java Podcast is a practical guide for anyone wanting to build software, from curious beginners to those looking to solidify their professional skills. Host Trevor Page, a seasoned Java guru and teacher, breaks down complex programming concepts into clear, manageable lessons you can apply immediately. You'll hear detailed walkthroughs on building applications, understanding core principles like object-oriented design, and navigating the tools of the trade. The discussions move beyond dry theory, focusing on the real-world logic and problem-solving that defines a career in software development. Whether you're aiming for a new job, tackling a personal project, or helping a child explore technology, this podcast provides a structured, conversational path forward. Each episode is crafted to demystify the process, translating technical jargon into plain English so you can focus on creating functional code. The tone is direct and encouraging, rooted in Trevor's experience as both a programmer and an educator. It’s a resource for building a tangible skill set, episode by episode, where consistent listening translates directly to growing competency. You’ll find the content naturally bridges the categories of technology education and career development, making it a useful companion for your learning journey.
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