Re: Column storage positions

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От Andrew Dunstan
Тема Re: Column storage positions
Дата
Msg-id 45DCC991.10501@dunslane.net
обсуждение исходный текст
Ответ на Re: Column storage positions  ("Florian G. Pflug" <fgp@phlo.org>)
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Florian G. Pflug wrote:
>
> BTW, this is a good case for why the storage order should - directly or
> indirectly - be tweakable. You can either optimize for space, and _then_
> for speed - which is what the OP did I think - or first for speed, and 
> then for space. If the dba cannot choose the strategy, there will 
> always be workloads where the engine does it the wrong way around.
>
>

Maybe a simple setting on ordering strategy would be OK. The chance of 
mucking it up if you can directly set the physical order seems just too 
great to me.

cheers

andrew


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