my $sql = "
    select * from (
    select * from qatest
    where ser_app_name
    like upper('%$mainsearch%')
    or att_data
    like upper('%$mainsearch%')
    or mrserver
    like upper('%$mainsearch%')
    or owner_user
    like upper('%$mainsearch%')
    or lan_serv
    like upper('%$mainsearch%')
    or s_contact
    like upper('%$mainsearch%')
    or s_provider
    like upper('%$mainsearch%')
    or prod_deliv
    like upper('%$mainsearch%')
    order by ser_app_name ASC
    ) where rownum < 31
";
print "Debug>  sql is:\n", "-" x 70, $sql, "\n", "-" x 70, "\n";
my $st = $dbh->prepare($sql);
$st->execute();