The entity manager interface provides a method called create native career avoid this method returns an implementation of equilibria interface which is same as if you call the create query method to create equity the code to a JPA.
Ex :
Call EntityManager.createNativeQuery(String query)method.
Query q=em.createNativeQuery(“SELECT a.firstname,a.lastname”+”FROM Author a”);
Create hibernate.cfg.xml configuration file
Create Employee.hbm.xml mapping file
Create Employee.java source file and compile it.
Create ManageEmployee.java source file and compile it.
Execute ManageEmployee binary to run the program.