Hibernate

What are the ORM levels ?

The ORM levels are: • Pure relational (stored procedure.) • Light objects mapping (JDBC) • Medium object mapping • Full object Mapping (composition,inheritance, polymorphism, persistence by reachability)

What is Hibernate?

Hibernate is a pure Java object-relational mapping (ORM) and persistence framework that allows you to map plain old Java objects to relational database tables using (XML) configuration files.Its purpose is to relieve the developer from a significant amount of relational data persistence-related programming tasks.

What is ORM ?

ORM stands for object/relational mapping. ORM is the automated persistence of objects in a Java application to the tables in a relational database.