title: How to map an association table that carries some attributes
body: <p>im using hibernate xml to map my databse, but i didn't knew how to map a many to many  relation (STUDENT,COURSE,TEACHER) that have an association table(Student_Course_Teacher) ,this table carries the primary keys of the other tables, and also some other attributs such Date_Creation.
  can some one tell me how it can be mapped using Hibernate xml.</p>
  
  <p>My sincere regards</p>