Undo x Rollback Segments in 9i

From: Eca Eca <ecaeser_at_hotmail.com>
Date: Thu, 20 Sep 2001 17:44:06 -0700
Message-ID: <F001.0039446E.20010920174018@fatcity.com>

Friends :

I tried to create a rollback segment in 9i and its said to me :

CREATE PUBLIC ROLLBACK SEGMENT "RBS01" TABLESPACE "RBS" *
ERROR at line 1:
ORA-30019: Illegal rollback Segment operation in Automatic Undo mode

Well, i realized that Oracle created for me some resource like rollback segment automaticaly.

My doubt :

If i will put the instance in Manual Undo I can to create the rollback segment, but i will lost the resource automatic.

does anyone use it or know how to use Automatic Undo ?

What is the best option :

Rollback or Undo Automatic.
I know rollback but i don't know Undo Automatic

Regards

Eriovaldo

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Author: Eca Eca
  INET: ecaeser_at_hotmail.com

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