Hi all
I have a problem with a complex query.
there is one price a day from every suplier in the table Prices.
PRICES
Product ID | Date | Suplier |Price
0001 | 01.01.2007 | SuplierA | 10
0001 | 01.01.2007 | SuplierB | 11
0001 | 01.01.2007 | SuplierC | 13
0001 | 02.01.2007 | SuplierA | 11...