Re: effective SELECT from child tables

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От mark@mark.mielke.cc
Тема Re: effective SELECT from child tables
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Msg-id 20050928132327.GA20467@mark.mielke.cc
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Ответ на effective SELECT from child tables  ("Ilia Kantor" <ilia@obnovlenie.ru>)
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On Tue, Sep 27, 2005 at 09:30:55PM +0400, Ilia Kantor wrote:
> Let table A be inherited by A1, A2, A3.
> How to select from A records where actual relations are A1, A2 ?

If A1 and A2 will be naturally together, where compared to A, or A3,
why not introduce an intermediate table?

A would be inherited by A12, and A3. A12 would be inherited by A1, and A2.

You can do the UNION yourself, as well.

Cheers,
mark

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