HIbernate CRUD operations
Below are some of the DB operations performed in Hibernate . First we need to get the SessionFactory object . We can get the object like this SessionFactory factory= new AnnotationConfiguration().configure(hibernate.cfg.xml).buildSessionFactory(); 1) Insert : Session session=factory.openSession(); Employee emp=new Employee("empID","empName"); session.save(emp); 2) Delete: Session session=factory.openSession(); Employee emp=session.createCriteria(Employee.class).add(Restrictions.eq("empID","123")).uniqueResult(); session.delete(emp); 3) Update: Criteria criteria = session.createCriteria(Employee.class).add(Restrictionss.eq("id", 1)); Employee emp = (Employee) criteria.uniqueResult(); emp.setSalary(5000); session.update(emp); 4) Select: Session session=factory.openSession(); List empList=session.createCriteria(Employee.class).add(Restrictions.eq("company","Google")).list(); // Will get the li