On Mon, Dec 18, 2006 at 22:18:43 -0500,
Chansup Byun <byun1067(at)gmail(dot)com> wrote:
> Hi,
>
> I'm trying to set up a trigger to prevent any duplicate entries into
> my table. But I couldn't figure out how to make my trigger work.
Couldn't you use a unique constraint to do this?