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>>>>> "JP" == J Pietschmann <j3322ptm@y...> writes:
JP> ...
JP> at the end of 1999). There is a swiss municipality which is
JP> italian by telephone country code, breaking the usual
JP> nationality->phone country code mapping. There are quite a
JP> few villages where one half pays its tax to the authority of
JP> region A, the other to region B, requiring you to maintain a
JP> map by street/house number.
Isn't it a bigger problem if data is incorrect? I mean, sometimes the
rules break, but in my experience customers have bigger problems with
unvalidated and therefore more often incorrect data than otherwise.
The cost of 10% of the phone numbers, zipcodes, etc. wrong is probably
a lot higher than of occassional incorrect, but validated data.
I took the 10%, because I've once heard that data entry typists make
around 10% mistakes. But whatever the number, it does not sound
unreasonable that without validation the number of incorrect data
would be a lot higher.
--
Regards,
Berend. (-:
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