![]() ![]() Another use case where H2 is used is during the unit testing of our applications. We can use in-memory databases like H2 for POCs and during the development phase when iterating through schema changes without making changes to actual persistent databases like MYSQL. They are volatile, i.e., in case of application restart, all the data is lost. It is an embedded database which we can use in our java application or run in a client-server mode.In-memory databases are very fast as the data access is done from System memory, rather than disk storage. Just like other in-memory databases, H2 database relies on system memory for loading and persisting the data, instead of physical disk storage. ![]() ![]() H2 database is a relatively new and an open-source, in-memory relational database management system that is written in Java. Advertisements Spring Boot with H2 Database ![]()
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