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JPA Interview Questions and Answers

Ques. What is an Entity?
Ans. A class which should be persisted in a database it must be annotated with javax.persistence.Entity. Such a class is called Entity. An instances of the class will be a row in the person table. So, the columns in the person table will be mapped to the Person java object annotated as @Entity.
While insert, update or fetch record to or from the database we use entity as mapping with relational tables.
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