Re: schema/db design wrt performance
От | Fernando Papa |
---|---|
Тема | Re: schema/db design wrt performance |
Дата | |
Msg-id | CB94A4924490EC4A81EDA55BA378B7BA9D2D97@exch2k01.buehuergo.corp.claxson.com обсуждение исходный текст |
Ответ на | schema/db design wrt performance (CaptainX0r <captainx0r@yahoo.com>) |
Список | pgsql-performance |
I think FK on every database (oracle and MSSQL too) may hit performance, but only in DML (insert/update/delete). These are tradeoffs... referencial integrity vs. problems with batchload for example. My Oracle experience say when I need to do batchload, I disable constraints and then apply and work over exceptions. If you don't make referencial integrity on database maybe you need to do it on you application... and I think will be very painfull. -- Fernando O. Papa DBA > -----Mensaje original----- > De: CaptainX0r [mailto:captainx0r@yahoo.com] > Enviado el: jueves, 16 de enero de 2003 10:52 > Para: pgsql-performance@postgresql.org > Asunto: [PERFORM] schema/db design wrt performance > > > All, > > I just noted in another thread that use of foreign keys in > postgres significantly hinders performance. I'm wondering > what other aspects we should take into consideration in the > design of our database. We're coming from Sybase and trying > to design a more encompassing, modular, generic database that > won't take a serious performance hit under postgres. > > Thanks, > > -X > > __________________________________________________ > Do you Yahoo!? > Yahoo! Mail Plus - Powerful. Affordable. Sign up now. http://mailplus.yahoo.com ---------------------------(end of broadcast)--------------------------- TIP 5: Have you checked our extensive FAQ? http://www.postgresql.org/users-lounge/docs/faq.html
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