Re: Optimizing FK & PK performance...

> 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)
> );

No difference - they're parsed to exactly the same thing (the first
version).

> 2. Is DEFERRABLE and INITIALLY IMMEDIATE or INITIALLY DEFERRABLE
> perferred for performance? We generally have very small transactions
> (web app) but we utilize a model of:

No idea on this one :/

Chris