On Thu, Dec 02, 2004 at 14:20:35 -0600,
Timothy Perrigo <tperrigo(at)wernervas(dot)com> wrote:
> The first way also makes it possible to put the constraint on multiple
> fields:
>
> create unique index uidx_abc on my_table(col_a, col_b, col_c);
You can do that with unique constraints as well.