I think, there are two main things1. Top down - (bill Inmon)2.Bottom up - (Ralph kimbol)
Please Note: We keep on updating better answers to this site. Subscribe to our newsletter to get notified when better answer is posted.
Copyright ©2003-2010 CoolInterview.com, All Rights Reserved. Privacy Policy | Terms and Conditions Page URL: http://www.coolinterview.com/interview/8122/default.asp?cachecommand=bypass