SQL 2005

Does SQL 2005 have the ability to calculate a Median?
dastaubAsked:
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Ephraim WangoyaCommented:
There is no inbuilt function for that
Take a look at this article. It may point you to the correct direction
http://www.sqlmag.com/article/tsql3/calculating-the-median-gets-simpler-in-sql-server-2005
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keyuCommented:
DECLARE @groupID int; SET @groupID = 1
DECLARE @M1 int, @M2 int

SELECT TOP 50 PERCENT @M1 = numValue FROM sampleData WHERE groupID = @groupID ORDER BY numValue ASC
SELECT TOP 50 PERCENT @M2 = numValue FROM sampleData WHERE groupID = @groupID ORDER BY numValue DESC

SELECT (@M1+@M2)/2.0

REF. Link:  http://www.tek-tips.com/faqs.cfm?fid=6220
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dastaubAuthor Commented:
the second solution is what I currently do, but it does create a speed issue when dealing with larger tables and many medians needed.
The first solution was understandable because I just completed a course dealing with the features used in the solution.
Thank you to both.
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Microsoft SQL Server 2005

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