On Thu, 2005-03-31 at 13:14 +0800, Lin Kun Hsin wrote:
> below is the sql schema. i hope it will help.
>
> i want the top 3 score students in every class
this has been discussed before. a quick google gives me:
http://archives.postgresql.org/pgsql-sql/2004-04/msg00067.php
gnari