spring-boot-starter-data-jpa

• org.springframework.boot.spring-boot-starter-data-jpa

• JPA (Java Persistence API) and hibernate

• JPA is an standard API for ORM (a set of interfaces)
• Hibernate implements the JPA interfaces
• Hibernate is the default implementation of JPA on Spring Boot

• EntityManager is a wrapper on the hibernate session (wraps the SessionFactory)

• Generate DAO API from an Entity and Primary Key

• Expose methods to manipulate database information automatically

package com.hvitoi.demo.dao;

import org.springframework.data.jpa.repository.JpaRepository;
import com.hvitoi.demo.entity.Employee;

public interface EmployeeRepository extends JpaRepository<Employee, Integer> {
}

• Expose many methods such as
• findAll
• findById
• save
• deleteById