Fw: a pl/sql question
- From: "Juan Cachito Reyes Pacheco" <jreyes@xxxxxxxxxxxxxxxx>
- To: <oracle-l@xxxxxxxxxxxxx>
- Date: Thu, 29 Apr 2004 16:59:58 -0400
Sorry Jared I forgot not to include question in the answer
> I don't know if this will improve performance but here is an example, use
> outer join.
> select C.TRC_CUENTA,nvl(A.CTS_NOMBRE,B.CTS_NOMBRE) name
>
> from transace C,
>
> ( select CTS_CUENTA,CTS_NOMBRE from cuentaE where cts_TRATAMIENTO = 'IN')
A,
>
> ( select CTS_CUENTA,CTS_NOMBRE from cuentaE where cts_TRATAMIENTO = 'EG')
B
>
> WHERE
>
> C.TRC_CUENTA = A.CTS_CUENTA(+) AND C.TRC_CUENTA =B.CTS_CUENTA(+)
>
>
>
> If you could create a materialized view from this I think this could
really
> help.
Even you could try to create a view.
>
> If you see when there is records in the second query it will return null
>
> Juan Carlos Reyes Pacheco
> OCP
> Database 9.2 Standard Edition
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