Determine the number of rest periods in a time period
Source: Internet
Author: User
Declare @ B datetime, @ E datetime
Set @ B = '2017-12-20'
Set @ E = '2017-01-21'
Select datediff (Week, @ B, @ E)
, Datediff (Week, @ B, @ E) + case when datepart (weekday, @ B)> 1 then 0 else 1 End-case when datepart (weekday, @ E)> = 1 then 0 else 1 end as Sunday count
, Datediff (Week, @ B, @ E) + case when datepart (weekday, @ B)> 2 then 0 else 1 End-case when datepart (weekday, @ E)> = 2 then 0 else 1 end as Monday count
, Datediff (Week, @ B, @ E) + case when datepart (weekday, @ B)> 3 then 0 else 1 End-case when datepart (weekday, @ E)> = 3 then 0 else 1 end as Tuesday count
, Datediff (Week, @ B, @ E) + case when datepart (weekday, @ B)> 4 then 0 else 1 End-case when datepart (weekday, @ E)> = 4 then 0 else 1 end as Wednesday count
, Datediff (Week, @ B, @ E) + case when datepart (weekday, @ B)> 5 then 0 else 1 End-case when datepart (weekday, @ E)> = 5 then 0 else 1 end as number of Thursday
, Datediff (Week, @ B, @ E) + case when datepart (weekday, @ B)> 6 then 0 else 1 End-case when datepart (weekday, @ E)> = 6 then 0 else 1 end as Friday count
, Datediff (Week, @ B, @ E) + case when datepart (weekday, @ B)> 7 then 0 else 1 End-case when datepart (weekday, @ E)> = 7 then 0 else 1 end as Saturday count
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