Simple Round call results in Arithmetic overflow

Hi,
I'm a bit dazzled why this statement won't work in T-SQL : Select Round(9.990000, 0)
The error I get is : Arithmetic overflow error converting expression to data type numeric.
The result should be : 10
I've tried this in SQL 2005,2008 and 2008 R2 (Error message if from R2), didn't find anything in BOL either
Select ROUND(19.99, 0) works just fine
Is this a bug or not? We develop accounting software and for us this is a dangerous bug.

I can't be certain here, never having come across it before but I suspect that the number must have the same length in the "integer" part when you use ROUND like that.
E.G. This works, giving "10" because the type is declared for the number.
DECLARE @TEST AS FLOAT
SET @TEST = 9.990000
SELECT @TEST,Round(@TEST, 0)
Whereas all of these fail
SELECT Round(9.990000, 0)
SELECT Round(99.990000, 0)
SELECT Round(999.990000, 0)
Do I make any sense here? :-)

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David.Wendelken wrote:
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SQL Below - if is this happening?
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Please Mark This As Answer if it helps to solve the issue Visakh ---------------------------- http://visakhm.blogspot.com/ https://www.facebook.com/VmBlogs

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