Re: Rule-based vs Cost-based Optimizer?
From: Andrew Calvin <acc_at_pfox.dialix.oz.au>
Date: Sun, 19 Mar 1995 10:37:23 +1000
Message-ID: <acc-1903951037230001_at_pfox.magna.com.au>
Date: Sun, 19 Mar 1995 10:37:23 +1000
Message-ID: <acc-1903951037230001_at_pfox.magna.com.au>
In article <3k73qj$34b_at_potogold.rmii.com>, bromberg_at_hobbes (Rich Bromberg)
wrote:
I have experienced the same problem, so we have returned to rule-based
optimisation at all times.
> the cost-based optimizer in a 7.0.16 and 7.1.3 ... have observed a
number of extremely poor 'decisions' by the optimizer.
- Andrew Calvin -- acc_at_pfox.dialix.oz.au --