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Saturday, October 15, 2011

Arithmetic overflow error converting expression to data type int.

Today I was trying to join two table each having approximately 1 million records in one of my SQL Server database. I was trying to find the count of some field when this arithmetic overflow error was thrown.
Arithmetic overflow error converting expression to data type int.
I understood that the calculation has exceeded the maximum INT range. 
The work around which did the trick for me is, instead of "Count" I changed it as "Count_big".

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