I have a query to fetch date diff between 2 datetime as :
SELECT DATEDIFF(DAY, @CreatedDate , GETDATE()) Ex : SELECT DATEDIFF(DAY, \'2013-03-13 00:00:00.00
To simply subtract one day from todays date:
Select DATEADD(day,-1,GETDATE())
(original post used -7 and was incorrect)