From: | Chris Travers <chris(dot)travers(at)gmail(dot)com> |
---|---|
To: | Thomas Kellerer <spam_eater(at)gmx(dot)net> |
Cc: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: Don't Thread On Me (PostgreSQL related) |
Date: | 2012-01-26 23:36:15 |
Message-ID: | CAKt_Zfv4OHAxzT8DEUDN1Ct+Y-n8LVP-7zrseK-sVMqytJMrLQ@mail.gmail.com |
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Thread: | |
Lists: | pgsql-general |
On Thu, Jan 26, 2012 at 3:18 PM, Thomas Kellerer <spam_eater(at)gmx(dot)net> wrote:
> Rodrigo E. De León Plicet wrote on 26.01.2012 22:52:
>
> Oracle claims it for releases going back to 7
>>
>
> Not true.
>
> Quote from the Oracle concepts manual:
>
> "Multiple-process Oracle (also called multiuser Oracle) uses several
> processes to run different parts of the Oracle Database code and additional
> processes for the users—either one process for each connected user or one
> or more processes shared by multiple users. Most databases are multiuser
> because a primary advantages of a database is managing data needed by
> multiple users simultaneously."
>
Oracle offers intra-query parallelism. I am not entirely sure how they do
it, but it is supported. I don't know if these subtasks are pthreads
within the separate session process or if they are additional processes.
Best Wishes,
Chris Travers
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