Question: how to calculate number of business days between two dates in sql?
Answer: The statement DATEDIFF(dd,@fromdate,@todate) + 1 gives the number of dates between the two dates. The statement DATEDIFF(wk,@fromdate,@todate) gives the number of weeks between dates and * 2 gives us the weekend (Saturday and Sunday) count. The next two statements excludes the day if it's a Saturday or Sunday.