Hibernate is a Java programming tool offered by Red Hat. It is an open-source object-relational mapping tool and it is used for mapping database tables from Java classes and SQL data types from Java data types. Using Hibernate, developers will be able to get Java applications to interact with the database easier. Not only is Hibernate open-source, but it also incredibly lightweight and fast. It can also create tables for databases automatically for faster mapping. It can also fetch data from several tables. Hibernate is a popular ORM for Java application development and it’s hard not to see why. It’s fast, effective, and lightweight.