The H2 Database Engine is highly versatile, supporting both embedded and server modes, which makes it adaptable for various application needs. Its in-memory database capability offers exceptional speed for testing and development. As a Java-based system, it is platform-independent, ensuring compatibility across different operating systems. Additionally, H2 provides high performance with efficient data operations and supports advanced SQL features, making it a robust choice for many use cases.

It is a relational datbase and it supportsstandard SQL syntax and provide features like transactions, AICD Compliance, triggers and stored procedures. It can be used as embedded database within Java application and it is a open source database. It is very easy to setup and configure. It is known for its high performance in applications that uses read-heavy functions

The best thing I like about H2 database is like it is open source database