Using Spring Data with SQL databases

As a developer who deals with Spring Data, it’s important to understand its relationship with SQL databases. SQL databases are known for their structured approach to data management. They are widely used in various applications. We are going to use them in our online bookstore management system.

In this section, we’ll explore how Spring Data JPA interfaces with SQL databases, focusing on PostgreSQL configuration and the creation of complex entity relationships.

Integrating PostgreSQL with Spring Boot using Docker

First off, we need to have an up-and-running PostgreSQL server on our local machine. The easiest way of doing this is using Docker containers. Docker is a tool that simplifies the setup and deployment of applications and their dependencies. Let’s go through how you can set up PostgreSQL using Docker and configure your Spring Boot application to connect to it.

Setting up PostgreSQL with Docker

Using Docker...