http://www.coderecipes.net/sql-aggregate-functions.aspx<p>Aggregate SQL functions allow you to summarize the results of an expression for the group of rows (selected from a table, view, or table-valuated function) and returns a single value for that group.</p>Tue, 15 Jan 2008 09:03:00 GMTen-UShttp://www.coderecipes.net/sql-avg-function.aspxThu, 13 Dec 2007 12:48:00 GMTThe SQL AVG function calculates the arithmetic average of the series of numbers of its argument.http://www.coderecipes.net/sql-count-function.aspxThu, 27 Dec 2007 11:13:00 GMTThe SQL COUNT function is used to count a number of records of each database table.http://www.coderecipes.net/sql-max-min-function.aspxThu, 27 Dec 2007 11:04:00 GMTThe SQL MAX and MIN functions allow you to display maximum and minimum values in a set.http://www.coderecipes.net/sql-sum-function.aspxThu, 27 Dec 2007 11:07:00 GMTSQL SUM Function uses to sum the values.