Lynna Landstreet <lynna(at)gallery44(dot)org> writes:
> Does anyone know if it's possible to modify an existing table constraint -
> for example, to add "ON DELETE CASCADE" to an existing foreign key
> constraint? Or would I have to recreate the table to add that?
There's no command to modify a foreign key constraint like that, but you
should be able to drop and re-add that single constraint using ALTER TABLE.
I don't see a reason to recreate the whole table...
regards, tom lane