Wang, Mary Y wrote:
> Hi,
>
> I'm sorry but I didn't create the table. I fiddled with the table for a while and didn't get what I expected. So I'm going to ask the community.
>
> Can some one tell me which constraint would case me the "duplicate key into unique index users_pkey"? I'd like to remove that constraint.
>
I only see one constraint on that table, the primary key.
your table's primary key, named users_pkey, is on user_id. you want to
have duplicate user_id values in your table ?