Re: Oracle(r) Database 10g Release 2 and much faster sorting

From: Tanel Põder <tanel.poder.003_at_mail.ee>
Date: Tue, 14 Dec 2004 00:40:51 +0200
Message-ID: <009201c4e164$d4cd73b0$6ff923d5@porgand>

> EC> But how does Oracle plan to "speed up" sorts?
>
> My guess would be that they've come up with some new
> algorithms that are more efficient, or, at least, they
> believe those new algorithms to be more efficient under most
> circumstances.

Just guessing here, but it might also that Oracle picks the most optimal algorithm based on estimated data (using optimizer statistics, execution statistics and dynamic sampling...)

Tanel.

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Received on Mon Dec 13 2004 - 16:38:12 CST