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RE: Extent allocation for objects

From: Rick Stephenson <RStephenson_at_Ovid.com>
Date: Mon, 19 May 2003 14:16:59 -0800
Message-ID: <F001.0059D2D7.20030519141659@fatcity.com>


Adding the initial clause appears to work fine. Thank you very much for your help.

Thanks for the other responses. I learn new things every day.  

Rick Stephenson  

-----Original Message-----
Sent: Monday, May 19, 2003 3:37 PM
To: Multiple recipients of list ORACLE-L  

It will preserve the initial settings if you do not specify it in the move clause.  

Try "alter table move tablespace B storage (initial 80M)"  

Waleed

-----Original Message-----
Sent: Monday, May 19, 2003 4:42 PM
To: Multiple recipients of list ORACLE-L

Let me give you the scenarios. Maybe I can get a good explanation from someone.

Tablespace A locally managed uniform extents size 512M.

Tablespace B locally managed uniforma extents size 1M.  

  1. Create table TabA tablespace A. Insert data, and it has 1 extent of 512M even though the table size is only 76M. This makes sense.
  2. Create table TabA tablespace B. Insert data, and it has 76 extents of 1M each. This makes sense.
  3. Create table TabA tablespace A. Same as scenario 1. Alter table TabA move tablespace B. Creates 512 extents of 1M each. Why?

     The table only needs 76M of space. Why create all those additional extents?  

Thanks for any information,  

Rick Stephenson    

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Please see the official ORACLE-L FAQ: http://www.orafaq.net
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Author: Rick Stephenson
  INET: RStephenson_at_Ovid.com

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