Uytkownik "Jon Lapham" <lapham(at)extracta(dot)com(dot)br> napisa w wiadomoci
news:3D1B6802(dot)1050507(at)extracta(dot)com(dot)br(dot)(dot)(dot)
> If you cannot use wildcards in GROUP BY statements, is the only solution
> to expand "a.*" to all its constituent parts? Ugh.
>
AFAIK yes, and this is the matter of SQL standard.