RE: RE: Dead slow count(*)

From: Cary Millsap <cary.millsap_at_hotsos.com>
Date: Mon, 9 Feb 2004 23:15:48 -0600
Message-ID: <01e001c3ef94$f49ca250$6701a8c0@CVMLAP02>

...And the Oracle7 Server Space Management paper, too!

Tim's is a good one that I don't think I had seen.

Cary Millsap
Hotsos Enterprises, Ltd.
http://www.hotsos.com
* Nullius in verba *

Upcoming events:

- Performance Diagnosis 101: 2/24 San Diego, 3/23 Park City, 4/6 Seattle
- SQL Optimization 101: 2/16 Dallas
- Hotsos Symposium 2004: March 7-10 Dallas
- Visit www.hotsos.com for schedule details...

-----Original Message-----
From: oracle-l-bounce_at_freelists.org
[mailto:oracle-l-bounce_at_freelists.org] On Behalf Of Bobak, Mark Sent: Monday, February 09, 2004 4:31 PM
To: oracle-l_at_freelists.org
Subject: RE: RE: Dead slow count(*)

There is also "Performance Managment Myths and Facts", by Cary Millsap, =
available from http://www.hotsos.com/.

-Mark

-----Original Message-----
From: ryan.gaffuri_at_cox.net [mailto:ryan.gaffuri_at_cox.net] Sent: Monday, February 09, 2004 5:22 PM
To: oracle-l_at_freelists.org
Subject: RE: RE: Dead slow count(*)

here is an old one by Gaja Vaidyanatha. He is a co-auther of perf tuning =
101.=20

http://www.quest-pipelines.com/newsletter-v3/0302_F.htm

I think Niall Litchfield wrote a newer one?=20
>=20

> From: Nikhil Khimani <nkhimani_at_marketaxess.com>
> Date: 2004/02/09 Mon PM 05:14:58 EST
> To: "'oracle-l_at_freelists.org'" <oracle-l_at_freelists.org>
> Subject: RE: RE: Dead slow count(*)

>=20

> L&G,

>=20

> Is there a URL for "Known Oracle Myth?" > Sometimes, it's difficult to argue with an individual when he/she = feeds you
> the bs with a passion and by the time you learned the myth, it's too = late to

> bark back :-(

>=20

> Thanks,
> =20
> Nikhil Khimani
> Market Axess
> 140 Broadway, 42nd Floor
> New York, NY 10005
> =20
> (212) 813-6230 (W)
> nkhimani_at_marketaxess.com

>=20
>=20

> -----Original Message-----
> From: ryan.gaffuri_at_cox.net [mailto:ryan.gaffuri_at_cox.net]
> Sent: Monday, February 09, 2004 4:59 PM
> To: oracle-l_at_freelists.org
> Subject: Re: RE: Dead slow count(*)

>=20
>=20

> number of extents does not matter in a query. common myth. I think = there is
> a paper from about 5 years ago with common myths in it and that was = one of

> them. Could be wrong.=20

>=20

> high water only matters if your not using an index.=20
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Received on Mon Feb 09 2004 - 23:15:48 CST