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Hibernate

Hibernate Introduction
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Hibernate is an ORM (Object relational mapping) framework is technique to map data of object domain into data of relational domain. Application developer need to persist data into database and need to fetch persisted data from database.

Main facilility of an ORM framework is to persist object and their relations into the database on behalf of application developer.For this ORM framework required configuration and mapping information whch can be provided in form of xml or anotaion.

Hibernate not only takes care of the mapping from Java classes to database tables (and from Java data types to SQL data types),but also provides data query and retrieval facilities and can significantly reduce development time otherwise spent with manual data handling in SQL and JDBC.

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