datetime - SQL Server : fetching records between two dates?

Question

In SQL I write a SELECT statement to fetch data between two dates, using between and

Ex:

select * 
from xxx 
where dates between '2012-10-26' and '2012-10-27'

But the rows returned are for 26th only, not 26th and 27th.

Can you help me? Thank you.

Answer 1

As others have answered, you probably have a DATETIME (or other variation) column and not a DATE datatype.

Here's a condition that works for all, including DATE:

SELECT * 
FROM xxx 
WHERE dates >= '20121026' 
  AND dates <  '20121028'    --- one day after 
                             --- it is converted to '2012-10-28 00:00:00.000'
 ;

@Aaron Bertrand has blogged about this at: What do BETWEEN and the devil have in common?