Part 2: Spring Data JPA Tutorial and Interview Questions

ALSO CHECK: Spring Interview Questions

What is JPA?
JPA (Java Persistence API) is the specification of Java that is used to persist data between Java object and RDBMS(relational database).

JPA acts as a bridge between object-oriented domain models and relational database systems. As JPA is just a specification, it doesn't perform any operation by itself. It requires an implementation. Therefore, ORM tools like Hibernate implements JPA specifications for data persistence.

Part 1: Spring Data JPA Tutorial and Interview Questions

ALSO CHECK: Spring Interview Questions

The DAO layer usually consists of a lot of boilerplate code that can be simplified. Spring Data makes it possible to remove the DAO implementations entirely.

JPA (Java Persistent API) is the sun specification for persisting objects in the enterprise application. It is currently used as the replacement for complex entity beans.