October 2023
Beginner to intermediate
454 pages
8h 29m
English
Content preview from Full Stack Development with Spring Boot 3 and React - Fourth Edition
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3
Using JPA to Create and Access a Database
This chapter covers how to use Jakarta Persistence API (JPA) with Spring Boot and how to define a database by using entity classes. In the first phase, we will be using the H2 database. H2 is an in-memory SQL database that is good for fast development or demonstration purposes. In the second phase, we will move from H2 to MariaDB. This chapter also describes the creation of CRUD repositories and a one-to-many connection between database tables.
In this chapter, we will cover the following topics:
- Basics of ORM, JPA, and Hibernate
- Creating the entity classes
- Creating CRUD repositories
- Adding relationships between tables
- Setting up the MariaDB database
Technical requirements
The Spring Boot application ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.