Hi ODIAZ0305,
I think Sebastian gave us a great method, since we need to find the data values which older than 4 weeks, we just need to change ">=" as "<", for you convenience, I listed the codes here again.
CREATE PROCEDURE FourWeeks @Flag BIT OUTPUT
AS
BEGIN
DECLARE @Count AS INT
SELECT @Count = COUNT(*) FROM YourTable WHERE YourDateField < DATEADD(d, -28, GETDATE())
IF @Count = 0 OR @Count IS NULL
SET @Flag = 0
ELSE SET @Flag = 1
END
Allen Li
TechNet Community Support
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