Hi All,
I have a problem creating a unique index on
an existing table, FB show an error:
no 2 rows.... indicating duplicated values
bute there are no dups, the next query
show no more then 1 on sum:

select BARCODE,NR_ORDINE,COUNT(*) from BARCODE
GROUP BY BARCODE,NR_ORDINE

the index is : BARCODE,NR_ORDINE

Can someone help me?

Sincerely yours,
Marco