Richard Broersma Jr wrote:
> --- On Mon, 12/10/07, Ted Byers <r.ted.byers@rogers.com> wrote:
>
> > but how do you
> > do it using SQL in an RDBMS?
>
> I believe that there is an ANSI SQL command "MERGE" that is yet to be implemented into PostgreSQL.
IIRC the standard's definition of MERGE is still subject to the race
condition :-) It seems mostly defined for OLAP, and assumes rather
static data.
--
Alvaro Herrera http://www.amazon.com/gp/registry/DXLWNGRJD34J
"La tristeza es un muro entre dos jardines" (Khalil Gibran)
