With that in mind and for those people that exclaim, "OK. You sold me. Where the hell do you get a million rows of test data?", the answer is that it's simple and quick to make your own. Please see the following two articles for a good introduction to the art and then use your imagination.
http://www.sqlservercentral.com/articles/Data+Generation/87901/
http://www.sqlservercentral.com/articles/Test+Data/88964/
--Jeff Moden
Change is inevitable... Change for the better is not.