How are primary keys used to build relationships?

http://immike.net/blog/2007/08/14/databa鈥?/a>


http://webarya.wordpress.com/2008/07/29/鈥?/a>





read those 2 links ....


im sure that your problem ll be solved How are primary keys used to build relationships?
Did you even try to read the book before you asked this question?





sheeshhhhhhhhhhhhhhHow are primary keys used to build relationships?
do your own homework the school set you this for a reason