Re: Cost-based optimizers

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От Christopher Browne
Тема Re: Cost-based optimizers
Дата
Msg-id m3slsxei2e.fsf@mobile.int.cbbrowne.com
обсуждение исходный текст
Ответ на Cost-based optimizers  (Christopher Kings-Lynne <chriskl@familyhealth.com.au>)
Ответы Re: Cost-based optimizers  (Christopher Kings-Lynne <chriskl@familyhealth.com.au>)
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> http://www.acmqueue.com/modules.php?name=Content&pa=showpage&pid=297

I saw it in print; the only thing that seemed interesting about it was
the recommendation that query optimization be biased towards the
notion of "stable plans," query plans that may not be the most
"aggressively fast," but which don't fall apart into hideous
performance if the estimates are a little bit off.
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