Re: FOREIGN KEYS vs PERFORMANCE

["Jim C. Nasby" <jnasby(at)pervasive(dot)com>]

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(at)pervasive(dot)com
Pervasive Software      http://pervasive.com    work: 512-231-6117
vcard: http://jim.nasby.net/pervasive.vcf       cell: 512-569-9461