1.Seven relationships of entity beans --------- one-to-one
Http://www.blogjava.net/hadeslee/archive/2007/09/18/ejb8.html
2. Seven relationships of entity beans --------- one-to-one bidirectional
Http://www.blogjava.net/hadeslee/archive/2007/09/19/ejb9.html
3. Seven relationships of entity beans --------- one-to-many unidirectional
Http://www.blogjava.net/hadeslee/archive/2007/09/20/ejb10.html
4. Seven relationships of entity beans --------- multiple-to-one-way
Http://www.blogjava.net/hadeslee/archive/2007/09/21/ejb11.html
5. Seven relationships of entity beans --------- one-to-multiple bidirectional
Http://www.blogjava.net/hadeslee/archive/2007/09/22/ejb12.html
6. Seven relationships of entity beans --------- many-to-many unidirectional
Http://www.blogjava.net/hadeslee/archive/2007/09/29/ejb14.html
7. Seven relationships of entity beans --------- multiple-to-multiple bidirectional
Http://www.blogjava.net/hadeslee/archive/2007/09/25/ejb13.html