H2 is an open-source lightweight Java database. It can be embedded in Java applications or run in the client-server mode.H2 database can be configured to run as in-memory database, which means that data will not persist on the disk.In this brief tutorial, we will look closely at the various features of H2 and its commands, one of the best open-source, multi-model, next generation SQL product.This tutorial is destined for all those software professionals who would like to learn how to use H2 database in simple and easy steps.This tutorial will give you a good overall understanding on the basic concepts of H2 database.------BEST FEATURES:- All H2 Database lessons from easy to difficult- No Internet needed! (offline app)- Simple & modern user interface (material design)------PLEASE RATE 5/5 AND SHARE. THANKS!!!