--- On Mon, 1/7/08, Sean Davis <sdavis2(at)mail(dot)nih(dot)gov> wrote:
> create table junktable (
> pk1 serial primary key
> );
>
> will get you what you want. Check out the docs for the
> "serial" column type.
Also, if the table and column already exist, you can alter the table's column to become an auto-incrementing column.
http://www.postgresql.org/docs/8.3/static/datatype-numeric.html#DATATYPE-SERIAL
You can substitute the create table statement with an appropriate alter table alter column statement from the example demonstrated in the above link.
Regards,
Richard Broersma Jr.