So, if I've understood properly:
Regards, Dimitre
So, this is the result:
SQL> select count(*) 2 from filtro_dati_catalogo where id_subcatalogo in (0); 3
COUNT(*) ---------- 423077
SQL> select count(*) 2 from opt_vp where codice_opt = 29; 3
COUNT(*) ---------- 1533
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