Re: UUID column as pimrary key?

Поиск
Список
Период
Сортировка
От Scott Ribe
Тема Re: UUID column as pimrary key?
Дата
Msg-id 1395F6F7-B084-4C00-922D-D36FE22E6A84@elevated-dev.com
обсуждение исходный текст
Ответ на Re: UUID column as pimrary key?  (Stuart Bishop <stuart@stuartbishop.net>)
Ответы Re: UUID column as pimrary key?
Список pgsql-general
On Jan 6, 2011, at 1:52 AM, Stuart Bishop wrote:

> If you are looking at these extreme
> improbabilities, your SERIAL isn't guaranteed unique either when you
> take into account cosmic rays flipping the right bits in your ECC
> memory or on your disk platter.

Yes, that's rather the point, the probability is so extremely low that it in most cases it should be treated as 0. Some
peopleseem to have a problem wrapping their heads around relative magnitudes that extreme. 

--
Scott Ribe
scott_ribe@elevated-dev.com
http://www.elevated-dev.com/
(303) 722-0567 voice





В списке pgsql-general по дате отправления:

Предыдущее
От: Scott Marlowe
Дата:
Сообщение: Re: linux server configuration
Следующее
От: "Marc Mamin"
Дата:
Сообщение: commit delay with dblink.