There are 3 links tagged.
http://www.artfulsoftware.com/infotree/queries.php?&bw=1280
Added: 20/02/10 Tags: SQL mysql
http://r937.com/
Added: 18/02/09 Tags: SQL
http://www.1keydata.com/sql/sqldistinct.html
Added: 20/11/06 Tags: SQL