On Tue, 27 Apr 2010 09:08:29 Peng Yu wrote: > I don't see there is a function to compute min or max of two numbers > in a row. Essentially I want to select all the rows where the minimum > of column1 and column2 are bigger than the maximum of col3 and col4 > (The following code won't work as I expected, if I am correct). > > select * from a_table where min(col1, col2) >= max(col3,col4)
I think what you are looking for is GREATEST and LEAST. See also http://dev.mysql.com/doc/refman/5.1/en/comparison-operators.html#function_least and http://dev.mysql.com/doc/refman/5.1/en/comparison-operators.html#function_greatest Best regards, Jesper -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/mysql?unsub=arch...@jab.org
