So i need customer 0001 sales January, february, etc... > 0002 sales january, march, etc.>
SELECT Customer, ; SUM(IIF(MONTH(SaleDate)=1, Ammount, 0000000.00) AS Jan, ; SUM(IIF(MONTH(SaleDate)=2, Ammount, 0000000.00) AS Feb, ; SUM(IIF(MONTH(SaleDate)=3, Ammount, 0000000.00) AS Mar, ; ... SUM(IIF(MONTH(SaleDate)=12, Ammount, 0000000.00) AS Dec, ; ...