The Hermit Hacker wrote:
> 
> select id
>   from clients
>  where id = ( select id
>                 from clients
>                where count(id) = 1 ) ;
> 
What are you trying to do, grab the id 
of the first row in the table?
If this is so, try:
select id from clients limit 1;
Otherwise, I can't figure out what
the above code is trying to accomplish.
Best,
Clark