H2 Database

Spring%20Boot%20H2%20Database%20Docs 2088E9?logo=quickLook&logoColor=white H2%20Database%20Docs 2088E9?logo=quickLook&logoColor=white

Maven Dependency

<dependency>
    <groupId>com.h2database</groupId>
    <artifactId>h2</artifactId>
    <scope>runtime</scope>
</dependency>

Overview

H2 Database is in-memory database, so it’s only running in the context of the Spring application.

H2’s Web Console

spring.h2.console.enabled=true

Enables H2’s Web Console

http://localhost:8080/h2-console

URL for H2’s Web Console. Connection details can be found in Spring App logs (look for H2ConsoleAutoConfiguration line).

The H2 console is only intended for use during development, so you should take care to ensure that spring.h2.console.enabled is not set to true in production.
Check also Spring Boot Documentation