JPA's EntityManager createQuery() vs createNamedQuery() vs createNativeQuery()

Question

Can anyone please explain me the differences between following methods of JPA\'s EntityManager: createQuery(), createNamedQuery() and createNativeQuery() And also explain me on

Answer 1

CreateQuery is used to create an JPQLqueries

createNamedQuery is used to define queries with name in mapping file or annotation, example: obj.createNamedQuery("entity.findbycode",Something.class)

createNativeQuery is used to execute native/pure SQL queries.