Advantages of Hibernate in JAVA.

In this article, I am going to introduce concepts of hibernate framework with simplified examples. Hibernate was started in 2001 by Gavin King and it is an open source persistent framework.

Hibernate is based on ORM(Object-Relational Mapping).Hibernate is a powerful , high performance Object-Relational persistence and query service for java application. An ORM tool simplifies data creation, data manipulation and data access. Hibernate maps the java classes to database table and java data types to database data types. Hibernate sits between Java objects and database server to handle all the work for those objects that are based on ORM.

Advantages of hibernate

1.) Hibernate maps the Java Classes to database table using an XML file.

2.) If there is any change in database or in java classes then the only need to change in xml file .

3.) Hibernate is an open source framework.

4.) Hibernate provides simple queries of data.

5.) Hibernate provides automatic table creation.

6.) Fast performance

Downloading/Installing Hibernate

1.) Download the latest version of hibernate from http://www.hibernate.org/downloads.

2.) Copy all jars from lib to in your CLASSPATH

How to create hibernate in Eclipse IDE

You need to follow these steps to create hibernate in eclipse IDE

1.) Create a Java Project

2.) Add Jars

3.) Create the persistent java class

4.) Create the mapping file for java class (an XML file)

5.) Create Configuration File (an XML file)

6.) Create an class that stores and retrieves the persistent objects

7.) Finally run your application

Hibernate with Databases

For using Hibernate with database we need to configure in hibernate.cfg.xml our database by using some dialect property. These properties are as follows:-