Hibernate Features

In this section we will see Hibernate features.

Hibernate is an Open Source persistence technology. Hibernate provide a way of mapping of applications class to the database table.

Main Features : It is ORM based and provide persistence management solution or persistent layer. It maps database
tables to a class.

Here we are giving some features in points -

• Hibernate provides Object/Relational mappings. Here is different O/R mapping strategies as multiple-objects to single-row mapping,
  Polymorphic associations, bi-directional association, association filtering. It also provide XML mapping documents.
• It provides different object oriented query languages. Minimal object oriented Hibernate query language(HQL), native SQL queries,
  High object oriented concept of criteria.
• It provide transparent persistence without byte code processing.
• It introduces automatic Dirty Checking concept.
• It supports Detached object concept.
• It supports tough concept of composite keys.
• Automatic generation of primary key.
• Hibernate provides Dual-layer Cache Architecture.
• It provides session level cache and optional second-level cache.
• It introduces Lazy initialization.
• Hibernate provide outer join fetching.
• It supports optimistic locking with versioning.
< li>Optionally provide internal connection pooling and prepared statement caching.
• At system initialization time it generate SQL.
• It provide feature of J2EE integration.
• It supports JMX and JCA.
  

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