Re: Too slow

PG version = 8.0 over Linux Fedora Core 3
PostgreSQL was compiled from source

Lee Wu wrote:

>PG version?
>
>Maybe worth to try NOT EXISTS instead of NOT IN
>
>-----Original Message-----
>From: pgsql-admin-owner(at)postgresql(dot)org
>[mailto:pgsql-admin-owner(at)postgresql(dot)org] On Behalf Of Sabio - PSQL
>Sent: Tuesday, March 22, 2005 7:23 AM
>To: PostgreSQL Admin
>Subject: [ADMIN] Too slow
>
>How can I improve speed on my queries. For example this query takes one
>day executing itself and it has not finalized !!!
>"create table tmp_partes as select * from partes where identificacion
>not in (select cedula from sujetos)"
>
>partes have 1888000 rows, an index on identificacion
>sujetos have 5500000 rows, an index on cedula
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