Re: constraint via selection
От | Aasmund Midttun Godal |
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Тема | Re: constraint via selection |
Дата | |
Msg-id | 20011117190959.23001.qmail@ns.krot.org обсуждение исходный текст |
Ответ на | Re: constraint via selection (Horst Herb <hherb@malleenet.net.au>) |
Список | pgsql-sql |
I don't know much about this issue. but perhaps, since I assume the country codes are static, it would be faster if you justchecked each individual value (especially if there are few of them) like so CHECK code = 'no' OR code = 'de' OR code = 'se', etc. I don't know. Regards, Aasmund. On Sun, 18 Nov 2001 00:00:57 +1100, Horst Herb <hherb@malleenet.net.au> wrote: > > Sorry, I probably should reformulate my question into "is there a more > effficient constraint than a foreign key constraint for this simple > problem"? > > Horst > > ---------------------------(end of broadcast)--------------------------- > TIP 6: Have you searched our list archives? > > http://archives.postgresql.org Aasmund Midttun Godal aasmund@godal.com - http://www.godal.com/ +47 40 45 20 46
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