import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;

@Entity
public class User {
    @Id
    @GeneratedValue(strategy = GenerationType.AUTO)
    private int id;
    private String name;
    private int age;

    public User() {
    }

    public User(String name, int age) {
        this.name = name;
        this.age = age;
    }

    // Setter/Getter methods

import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.data.jpa.repository.Query;
import org.springframework.transaction.annotation.Transactional;

import java.util.List;

public interface UserRepository extends JpaRepository<User, Integer> {

    @Query("SELECT user FROM User user ORDER BY user.id DESC")
    @Transactional(readOnly = true)
    List<User> findAllUsers();

}

spring.jpa.defer-datasource-initialization=true
spring.sql.init.mode=always
spring.jpa.hibernate.ddl-auto=none