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Re: Optimizing FK & PK performance...

From: Neil Conway <neilc(at)samurai(dot)com>
To: "Sean P(dot) Thomas" <spt(at)ulanji(dot)com>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: Optimizing FK & PK performance...
Date: 2003-12-16 22:47:59
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-performance
"Sean P. Thomas" <spt(at)ulanji(dot)com> writes:
> 1. Is there any performance difference for declaring a primary or
> foreign key a column or table contraint?  From the documentation,
> which way is faster and/or scales better:
> CREATE TABLE distributors (
>       did     integer,
>       name    varchar(40),
>       PRIMARY KEY(did)
> );
> CREATE TABLE distributors (
>       did     integer PRIMARY KEY,
>       name    varchar(40)
> );

These are equivalent -- the performance should be the same.


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