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Lesson 4: Working With Data (Relational Database with JDBC)

Introduction

This example shows how you can access a classic relational database using Spring JDBC.

Building and running the sample

Use the following commands to build run the application:

$ mvn clean package
$ java -jar target/livelessons-data-jdbc-1.0.0-SNAPSHOT.jar

Understanding the code

This demo provides the same domain as the JPA sample but this time the Car class is a POJO and isn’t managed by JPA. The CarRepository implements the access logic and maps returned rows to the actual object.

This sample also uses src/main/resources/schema.sql and src/main/resources/data.sql scripts (picked up by convention) to create and populate the database.

If you want to try the application with a real MySQL server rather than an in-memory database you can uncomment the entries in src/main/resources/application.properties.