Re: inserting to a multi-table view

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От Richard Broersma
Тема Re: inserting to a multi-table view
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Msg-id 396486430806162237q4b4faf78j541e49ddb4a83be6@mail.gmail.com
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Ответ на Re: inserting to a multi-table view  ("Richard Broersma" <richard.broersma@gmail.com>)
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On Mon, Jun 16, 2008 at 10:24 PM, Richard Broersma
<richard.broersma@gmail.com> wrote:
> On Mon, Jun 16, 2008 at 8:32 PM, Michael Shiulman <shulman@mathcamp.org> wrote:
> Anyway, here is a link discussing a generalized vertical partitioned
> view.  Perhaps it can give you some idea to get yourself rolling.
> http://archives.postgresql.org/pgsql-general/2006-12/msg01119.php


Oops, there is one other thing to bring up.  If your clients
front-ends use a form of Optimistic locking, they will probably balk
at update-able views on vertically partitioned joined tables.

However, in the case of using ODBC, there was a work-around that
solved the problem of optimistic locking.  However, you are still
faced with the problem of update anomalies caused by concurrent
updates on your base tables.

http://archives.postgresql.org/pgsql-odbc/2006-12/msg00029.php

--
Regards,
Richard Broersma Jr.

Visit the Los Angles PostgreSQL Users Group (LAPUG)
http://pugs.postgresql.org/lapug

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