Question : SQL Server 2005 Casting behaviour

select cast('*' as int)
GO
--- Conversion failed when converting the varchar value '*' to data type int.
GO

select cast('+' as int)
GO
-- This works fine
-- Result- 0

GO

select cast('-' as int)
GO
-- Works Fine
-- Result 0
GO
select cast('/' as int)
GO
-- Conversion failed when converting the varchar value '/' to data type int.

GO

I am unable to understand why few airthmetic operator working fine but few not...

any one could you please explain this behavior.. I am working to fix one production issue....






Answer : SQL Server 2005 Casting behaviour

You aren't casting the addition and subtraction operators, you are casting the positive and negative notation and it just makes the assumption that the numeric part is 0.  +0 = + = 0
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