Re: FOREIGN KEYS vs PERFORMANCE

On Wed, Apr 12, 2006 at 08:06:17AM +0900, Michael Glaesemann wrote:
>
> On Apr 12, 2006, at 4:13 , Rodrigo Sakai wrote:
>
> >  I think this is an old question, but I want to know if it really
> >is well worth to not create some foreign keys an deal with the
> >referential integrity at application-level?????
>
> If I had to choose between one or the other, I'd leave all
> referential integrity in the database and deal with the errors thrown
> when referential integrity is violated in the application. PostgreSQL
> is designed to handle these kinds of issues. Anything you code in
> your application is more likely to contain bugs or miss corner cases
> that would allow referential integrity to be violated. PostgreSQL has
> been pounded on for years by a great many users and developers,
> making the likelihood of bugs still remaining much smaller.

It's also pretty unlikely that you can make RI in the application
perform better than in the database.
--
Jim C. Nasby, Sr. Engineering Consultant      jnasby@pervasive.com
Pervasive Software      http://pervasive.com    work: 512-231-6117
vcard: http://jim.nasby.net/pervasive.vcf       cell: 512-569-9461