select *
from blah
where DatetimeField between '22/02/2009 09:00:00.000' and '23/05/2009 10:30:00.000'
select Date, TotalAllowance from Calculation where EmployeeId = 1
and Date between '2011/02/25' and '2011/02/27'
SELECT *
FROM table_name
WHERE column_name BETWEEN CONVERT(VARCHAR, '2022-01-30', 110)
AND CONVERT(VARCHAR, '2022-04-30', 110)