Oracle-L: RE: Locally Managed Tablespaces

From: DENNIS WILLIAMS <DWILLIAMS_at_LIFETOUCH.COM>
Date: Fri, 11 Apr 2003 08:28:54 -0800
Message-ID: <F001.0057FA16.20030411082854@fatcity.com>

Ceri

First study How to Stop Defragmenting and Start Living. http://metalink.oracle.com/cgi-bin/cr/getfile_cr.cgi?239049 Make sure you really understand the concepts. Oracle recommends LMT with uniform extents. Create tablespaces in 3 sizes, 128k, 4m, and 128m, and assign tables appropriately.

If you are unsure enough about this brave new LMT world that you are still considering dictionary-managed, maybe you shouldn't create the SYSTEM tablespace as LMT this time.

Dennis Williams
DBA, 40%OCP, 100% DBA
Lifetouch, Inc.
dwilliams_at_lifetouch.com

-----Original Message-----
Sent: Friday, April 11, 2003 9:37 AM
To: Multiple recipients of list ORACLE-L

Hi Listers,

I am in the process of setting up a new Oracle database on 9.2.0.3.0. I want to use locally managed tablespaces, but im not sure about the extent and segment management options. Should I use uniform extents? If so how do i determine a good size for these, or is the Oracle Default good enough. Also what about sement space management, what benefits can this provide me, any potential pitfalls i should watch out for? Also should i make my system tablespace locally managed also? Does this mean i then cant create dictionary managed tablespaces?

All help appreciated, or point me to a good artical.

Thanks

Ceri
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Ceri Database Admin mailto:dba_at_persistent-worlds.net ICQ:153010767

"I love deadlines. I like the whooshing sound they make as they fly by." Douglas Adams

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Author: Ceri Townsend
INET: dba_at_persistent-worlds.net

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Author: DENNIS WILLIAMS
INET: DWILLIAMS_at_LIFETOUCH.COM

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RE: Locally Managed Tablespaces - Questions.