find records from previous x days?

Created Jul 21, 2011 Edited Jul 21, 2011

Viewed 34026

How can I come up with a stored procedure that selects results for past 30 days?

where MONTH(RequestDate) > 6 and DAY(RequestDate) >= 10 
and MONTH(RequestDate) < 21 and DAY(RequestDate) < 7

tsql sql-server sql