If, as in the case with Fox, the most significant bit represents only the sign. If, as with SQL server, it represents the sign and is part of the value, 4,294,967,296.


Where found you this sentence. This is wrong.

VFP and SQL uses the same 2-complement representation.
VFP reserve -2^31 = 0x80000000 for the Overflow status.
On SQL you cannot store a Overflow status into a Integer field

End.