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Arithmetic overflow error converting numeric to data type numeric


Arithmetic overflow error converting numeric to data type numeric

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azhar.iqbal499
azhar.iqbal499
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when I run below query I got Error of Arithmetic overflow error converting numeric to data type numeric
declare @a numeric(16,4)
set @a=99362600999900.0000
the 99362600999900 value before numeric is 14 and variable that i declared is of 16 length. Then why this error is coming ? When I set Length 18 then error removed.
Sean Lange
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azhar.iqbal499 (6/10/2014)
when I run below query I got Error of Arithmetic overflow error converting numeric to data type numeric
declare @a numeric(16,4)
set @a=99362600999900.0000
the 99362600999900 value before numeric is 14 and variable that i declared is of 16 length. Then why this error is coming ? When I set Length 18 then error removed.


You might want to visit BOL and look at the numeric datatype. http://msdn.microsoft.com/en-us/library/ms187746.aspx

You are trying to shove 18 digits into a numeric that can only hold 16. The precision is the maximum number of digits, not just the integer portion.

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That's because 16 is the full length. From those 16 positions you need to substract 4 for decimal positions. That gives you 12 positions on the left and 4 positions to the right.


Luis C.
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