string primary key

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От Mark Gibson
Тема string primary key
Дата
Msg-id 44635DC9.1020206@gibsonsoftware.com
обсуждение исходный текст
Ответы Re: string primary key
Re: string primary key
Список pgsql-general
Is there a disadvantage to having the primary key for a table be a text
type vs. an integer type?  Performance?  Any difference between having a
varchar or char as a primary key?

My instinct tells me that an integer is preferred, but I'm looking for a
more concrete answer.

Thanks,
Mark

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