私は3つのテーブルを持っています:
Years (YearId,Year)
Months (MonthID,Month)
Date (DateID,YearID,MonthID)
Client (CLientID,ClientName)
Payment (PayID,ClientID,DateID,Amount)
DataGridView に次のように入力します。
Client Name, Amount, Year, Month
私はこのステートメントを使用しましたが、うまくいきませんでした:
Select * From (select Year From Years Where YearID = (Select YearId From Date Where dateID = (Select DateID From Payment))),(Select Month From Months Where Monthid = (Select MonthID From Date Where dateID = (Select DateID From Payment))),(Select ClientName From Client Where ClientID = (Select ClientID From Payment),(Select amont From Payment)