Thanks RhinoBull for your reply and the useful link, but if some is well educated for any topic then why anyone will ask the question to others? i just want to know the logic. thank you for reply


Gavio,
i want to work with months because of Employees Salary. can you please make me more clear about database?
suppose i have these fields and pls tell me what field i need to add according to you for date or any other simple logic
Emp_ID
Emp_name
Emp_phone
Emp_Salary
Emp_month