For insert, in order to rollback, Oracle will still have to get the rowid of the new inserted rows, so that it can rollback when needed.
So there will still be undo.
- Original Message -----
To: "Multiple recipients of list ORACLE-L" <ORACLE-L_at_fatcity.com>
Sent: Thursday, December 25, 2003 1:49 AM
> An undo segment is used to save the old value of data.
> For insert operation, there is no old data to be saved.
> So, there should be no undo generated. Right?
>
>
> Roger Xu
> Database Administrator
> Dr Pepper Bottling Company of Texas
> (972)721-8337
>
>
> ________________________________________________________________________
> This email has been scanned for all viruses by the MessageLabs Email
> Security System. For more information on a proactive email security
> service working around the clock, around the globe, visit
> http://www.messagelabs.com
> ________________________________________________________________________
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.net
> --
> Author: Roger Xu
> INET: roger_xu_at_dp7uptx.com
>
> Fat City Network Services -- 858-538-5051 http://www.fatcity.com
> San Diego, California -- Mailing list and web hosting services
> ---------------------------------------------------------------------
> To REMOVE yourself from this mailing list, send an E-Mail message
> to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in
> the message BODY, include a line containing: UNSUB ORACLE-L
> (or the name of mailing list you want to be removed from). You may
> also send the HELP command for other information (like subscribing).
>
>
--
Please see the official ORACLE-L FAQ: http://www.orafaq.net
--
Author: zhu chao
INET: chao_ping_at_vip.163.com
Fat City Network Services -- 858-538-5051 http://www.fatcity.com
San Diego, California -- Mailing list and web hosting services
---------------------------------------------------------------------
To REMOVE yourself from this mailing list, send an E-Mail message
to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in
the message BODY, include a line containing: UNSUB ORACLE-L
(or the name of mailing list you want to be removed from). You may
also send the HELP command for other information (like subscribing).
Received on Wed Dec 24 2003 - 14:19:24 CST
