Re: Surrogate primary key plus unique constraint vs. natural primary key: data integrity?

> >> (a) there's no such thing as a primary key;
> >
> > PostgreSQL seems to think differently. >;->
> >
> > It requires definition of a primary key afaik.
>
> No it doesn't.

I have to admit, my knowledge of PostgreSQL did not reach very far. ;-)

Thanks for the correction.

As too often, I just mis-took a personal habit (always define a primary key - don't slap me please) for a requirement.

Sincerely,

Wolfgang Received on Mon Mar 11 2013 - 19:54:05 CET