What are some practical advantages of storing a country code rather than just the country name itself? [closed]

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开发者_Go百科

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Closed 9 years ago.

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I apologize in advance if this is a newb question, but what are some practical advantages for doing this?

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Country code is the same for every language but country NAME is not the same in every language.

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Country codes are much shorter and take up less storage/memory.

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Country Code is unique and it's usefull for db-search