What is H2 Database?
H2 is an open-source lightweight Java database. It can be embedded in Java applications or run in the client-server mode. Mainly, the H2 database can be configured to run as an in-memory database, which means that data will not persist on the disk. Because of the embedded database, it is not used for product development but mostly used for development and testing.
Following are the main features of the H2 database:
It is an extremely fast database engine.
H2 is open source and written in Java.
It supports standard SQL and JDBC API. It can use PostgreSQL ODBC driver too.
It has embedded and Server mode.
H2 supports clustering and multi-version concurrency.
It has strong security features.
Components in H2 Database
In order to use H2 Database, you need to have the following components:
A web browser
An H2 console server
This is a client/server application, so both server and client (a browser) are required to run it.
H2 is a database written in Java. We can easily embed this database to our application by using JDBC. We can run this on many different platforms or any version of Java Runtime Environment. However, before installing the database, there should be Java installed in the system.
Install H2 Database:
Following are the steps to install H2 Database on Windows operating system.
Step 1: Download H2 Setup File:
Download the latest version of H2 Database from the given link. In this link, you will get the latest version of H2 database in two types. One is Windows Installer type (that is .exe file) and the second is Platform-Independent zip file for other operating systems.
Click the Windows installer for downloading the Windows supportable H2 database after downloading the .exe file.
Step 2: Install H2 Database
After downloading we get the H2 Windows installer file in the Downloads directory. To start the installation process of the H2 Database, double click on the installer file.
And follow the instructions to install H2 Database
You have successfully installed the H2 Database
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