Posted by Stu on 10/24/05 04:32

This would be easy if your business used calendar quarters instead;
can't you make them change? <G> You could then group by
DATEPART(Quarter, DateSample)

Since that's not likely, a solution might be to use a calendar table
that takes a key Date and maps it to the appropriate quarter, eg:

CREATE TABLE Calendar (DateKey smalldatetime, PeriodQuarter int....
(other columns))

INSERT INTO Calendar (DateKey, PeriodQuarter)
SELECT '9/1/2005', 2
UNION ALL
SELECT '9/4/2005', 3

etc

You could then join and group on the PeriodQuarter value.

Just an idea.
Stu

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