Re: Adding Foreign Key Constraint To Existing Table - Mailing list pgsql-general

On 07/01/2011 02:00 PM, Rich Shepard wrote:
> I've examined the 9.0 manual page on alter table without seeing how to add
> a foreign key constraint to a column.
>
> I needed to make changes on a couple of existing tables which could be
> accomplished only by dropping the foreign key constraint. That, and
> changing
> the table structure, column names, and column types were successful. But, I
> am not seeing the proper syntax to add a foreign key constraint back to the
> two affected tables.
>
> Pointer please.

alter table bar add foreign key (id) references foo(id);

JD

>
> Rich
>
>


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