Re: Adding a primary key

On Tue, Jun 12, 2001 at 04:57:35PM -0400, some SMTP stream spewed forth:
> You can only define the pri key on table creation. If you miss it there, you can only add a Unique index (which is
prettymuch the same I think) 
>

A column defined as a primary key is both not null and unique. A only
unique index may be null.

gh

> Check http://www.postgresql.org/idocs/index.php?sql-altertable.html
>
>
> cheers,
> thalis
>
> On Tue, 12 Jun 2001, P. Dwayne Miller wrote:
>
> > How do I add a primary key to a table.  The database was migrated using
> > pgAdmin and no indexes or keys were migrated.  I'd like to add a primary
> > key constraint to a table.
> >