Re: Best course to understand why a bad plan is chosen by optimizer
- From: Mladen Gogala <gogala.mladen@xxxxxxxxx>
- To: "Mark W. Farnham" <mwf@xxxxxxxx>, krishsingh.111@xxxxxxxxx, 'Chris Taylor' <christopherdtaylor1994@xxxxxxxxx>
- Date: Sun, 15 Sep 2019 11:19:57 -0400
On 9/15/19 10:55 AM, Mark W. Farnham wrote:
What we **should** have is a session and system level single
parameter: no_adapt=TRUE|FALSE that either completely disables or
allows following any other parameter combinations.
What we should have is the parameter proposed by Jonathan Lewis when
Oracle 9i was the current version: "make_things_go_faster".
Unfortunately, we still don't have that desperately needed parameter.
--
Mladen Gogala
Database Consultant
Tel: (347) 321-1217
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