| From: | "Jaime Casanova" <systemguards(at)gmail(dot)com> |
|---|---|
| To: | Hensa <hensa22(at)yahoo(dot)es> |
| Cc: | "Grover Navia" <grover8navia(at)yahoo(dot)es>, pgsql-es-ayuda(at)postgresql(dot)org |
| Subject: | Re: Llenar con valores en una consulta SQL |
| Date: | 2006-10-12 05:07:53 |
| Message-ID: | c2d9e70e0610112207k3142850ahd45651f1e72c52e9@mail.gmail.com |
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| Lists: | pgsql-es-ayuda |
On 10/11/06, Hensa <hensa22(at)yahoo(dot)es> wrote:
> Intenta con esto
>
> SELECT D.cod, D.producto, case when U.cantidadUno is null then 0 else U.cantidadUno end as Cantidad
> FROM tablaDos As D LEFT JOIN tablaUno As U ON D.cod = U.cod
>
en este caso es lo mismo que usar coalesce
--
Atentamente,
Jaime Casanova
"Programming today is a race between software engineers striving to
build bigger and better idiot-proof programs and the universe trying
to produce bigger and better idiots.
So far, the universe is winning."
Richard Cook
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