Запрос:
select d.*
from @t_mydates d
left join @t_exlusions e on date between start_date and end_date
where start_date is null and end_date is null
Дата теста:
declare @t_mydates table (date date)
insert into @t_mydates (date)
values
(GETDATE()),(GETDATE()-1),(GETDATE()-2),(GETDATE()-3),(GETDATE()-4),(GETDATE()-5),(GETDATE()-6),(GETDATE()-7)
declare @t_exlusions table (start_date date, end_date date)
insert into @t_exlusions (start_date, end_date)
values
(GETDATE()-1, GETDATE()), (GETDATE()-5, GETDATE()-4)
Результат:
2011-08-27
2011-08-26
2011-08-23
2011-08-22