Hi all, I have a problem with mysql:
this code produce a not valid mysq resource.

$sql="select distinct des_riga, count ( des_riga ) as freq from k_riga
where id_tabella=" . $id_tabella . " and id_colonna=" . $id_colonna .
" group by des_riga order by des_riga";
$query=mysql_query ($sql, $connessione);

$id_tabella, $id_colonna and $connessione has the correct value...

The same query runs perfectly if I exec it directly on the db.

Do you have any suggestions?


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