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This hibernate tutorial offers in-depth ideas of Hibernate Framework with simplified examples. It was began in 2001 by Gavin King as an alternative choice to EJB2 model entity bean.
Hibernate is a Java framework that simplifies the event of Java software to work together with the database. It’s an open supply, light-weight, ORM (Object Relational Mapping) instrument. Hibernate implements the specs of JPA (Java Persistence API) for information persistence.
An ORM instrument simplifies the info creation, information manipulation and information entry. It’s a programming method that maps the item to the info saved within the database.
The ORM instrument internally makes use of the JDBC API to work together with the database.
Java Persistence API (JPA) is a Java specification that gives sure performance and customary to ORM instruments. The javax.persistence package deal incorporates the JPA courses and interfaces.
Benefits of Hibernate Framework
Following are some great benefits of hibernate framework:
1) Open Supply and Light-weight
Hibernate framework is open supply beneath the LGPL license and light-weight.
2) Quick Efficiency
The efficiency of hibernate framework is quick as a result of cache is internally utilized in hibernate framework. There are two varieties of cache in hibernate framework first stage cache and second stage cache. First stage cache is enabled by default.
3) Database Impartial Question
HQL (Hibernate Question Language) is the object-oriented model of SQL. It generates the database unbiased queries. So that you need not write database particular queries. Earlier than Hibernate, if database is modified for the venture, we have to change the SQL question as properly that results in the upkeep drawback.
4) Automated Desk Creation
Hibernate framework offers the ability to create the tables of the database routinely. So there isn’t a must create tables within the database manually.
5) Simplifies Advanced Be a part of
Fetching information from a number of tables is simple in hibernate framework.
6) Offers Question Statistics and Database Standing
Hibernate helps Question cache and supply statistics about question and database standing.
Hibernate with Eclipse
Second Degree Cache