Business Days calculation

Question

I have a query where I am calculating total days between two days including start and end date by the following SQL query. If the end date is not null, then end date is cons

Answer 1

try this

SELECT  DateDiff(day,DateADD(day,-1,StartDate),ISNULL(EndDate,getDate())) - 
( CASE WHEN DATENAME(dw, StartDate) = 'Sunday' OR 
DATENAME(dw,ISNULL(EndDate,getDate())) = 'Sunday' THEN 1 ELSE 0 END)
- ( CASE WHEN DATENAME(dw, StartDate) = 'Saturday' OR 
     DATENAME(dw,ISNULL(EndDate,getDate())) = 'Saturday' THEN 1 ELSE 0 END)
numberOfDays         
FROM