Hello,
>Many thanks for your response. Can yo u offer any advice with regards
usage
>of country_codes eg gb and regions, cities etc ? I've been reading up on
>http://en.wikipedia.org/wiki/ISO_3166 etc. Should I be looking to use a
>Surrogate key for countries ? Or the country code like fr for
Many thanks for your response. Can yo u offer any advice with regards
usage of country_codes eg gb and regions, cities etc ? I've been reading
up on http://en.wikipedia.org/wiki/ISO_3166 etc. Should I be looking to
use a Surrogate key for countries ? Or the country code like fr for France
?
Sa
Neil,
Am 21.04.2013 08:47, schrieb Neil Tompkins:
Using joins I can obtain which country each city belongs too. However,
should I consider putting a foreign key in the CITIES table referencing the
countries_id ? Or is it sufficient to access using a join ?
It depends. Adding a reference to
