Wiki on aggregationhttp://www.DailyFreeCode.ComWiki on aggregation - DailyFreeCode.ComCopyright @ 2010. All rights reserved.GROUP FUNCTIONS (AGGREGATION FUNCTIONS)http://www.DailyFreeCode.Com/InterviewFAQ/group-functions-aggregation-functions-562.aspxFri, 17 Dec 2010 16:18:00 GMT