Hi
in my payroll, two of the tables is for salary & period
tblSalary
SalaryID(PK)
EmployeeID(FK)
SalaryAmount
CalendarID(FK)
AccountsCode(FK)
tblCalendar
CalendarID(PK)
DateFrom
DateTo
I realise that, in salary table, i need to repeat the same data for different period, ie Nov 2011...