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Hibernate Interview Questions and Answers

Ques. What is ORM?
Ans. ORM stands for Object/Relational mapping. It is the programmed and mapping of objects in a Java application in to the tables of a relational database using the metadata that describes the mapping between the objects and the database. It works by transforming the data from one representation to another.
We are familiar with Model/Pojo class and Relational Database. Here Object means Model/Pojo class and Relational means the databases. By hbm.xml file or through annotations we represent the mapping between Object and Relational databases.
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