Re: Avoiding surrogate keys
| От | Joshua D. Drake |
|---|---|
| Тема | Re: Avoiding surrogate keys |
| Дата | |
| Msg-id | 1271877261.2857.0.camel@jd-desktop.unknown.charter.com обсуждение |
| Ответ на | Re: Avoiding surrogate keys (Bill Moran <wmoran@potentialtech.com>) |
| Ответы |
Re: Avoiding surrogate keys
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| Список | pgsql-general |
On Wed, 2010-04-21 at 15:07 -0400, Bill Moran wrote: > I'd use an ENUM for the status, as that's not liable to change. > > The only problem I see with avoiding the surrogate key for the country > is that the table might require more disk space if a lot of the country > names end up being very long. > Yeah but that isn't generally a problem now and the gain he gets from the lack of join performance is more than worth it. Joshua D. Drake -- PostgreSQL.org Major Contributor Command Prompt, Inc: http://www.commandprompt.com/ - 503.667.4564 Consulting, Training, Support, Custom Development, Engineering
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