Parallel Query Processing

From: aravind chandu <avin_friends(at)yahoo(dot)com>
To: postgresql Forums <pgsql-general(at)postgresql(dot)org>
Subject: Parallel Query Processing
Date: 2009-03-30 06:18:02
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Thanks for your reply guys.My aim is to run multiple queries.Will joins come under multiple queries? or it just mean two or more different queries like one select statement and another select statement? Does postgresql itself supports to run multiple queries or we have to use pgpool-II tool?

From: Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com>
To: aravind chandu <avin_friends(at)yahoo(dot)com>
Cc: postgresql Forums <pgsql-general(at)postgresql(dot)org>
Sent: Wednesday, March 25, 2009 4:52:43 PM
Subject: Re: [GENERAL] Parallel Query Processing

On Wed, Mar 25, 2009 at 2:24 PM, aravind chandu <avin_friends(at)yahoo(dot)com> wrote:
> Hello,
> I have a few questions related to the parallel query
> processing.Can you guys tell me how to implement parallel query processing
> in postgresql database.

Do you mean one query being parallelized, or multiple queries running at once?

PostgreSQL provides no capability to parallelize one query into
multiple processes.

Multiple Queries run in parallel automatically


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