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RE: Rollback segs

From: Alex Hillman <alex_hillman_at_physia.com>
Date: Tue, 21 Nov 2000 16:31:01 -0500
Message-Id: <10687.122663@fatcity.com>


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It will not work if user has a script need to be executsd with explicit or implicit commit (like DDL).

Alex Hillman

-----Original Message-----
From: Winnie_Liu_at_infonet.com [mailto:Winnie_Liu_at_infonet.com] Sent: Tuesday, November 21, 2000 3:56 PM To: Multiple recipients of list ORACLE-L Subject: Re: Rollback segs

No, there is no guarantee that a rollback segment can be delicated to a specific user only.

Even the set transaction thing cannot forbid other user from using that rollback segment.

But there is a trick that you can use to get what you want.

Right before you issue that set transaction thing, bring the rollback segment online, then after that user put in the statement. Take the rollback segment offline.

Notice that the rollback segment is on the OFFLINE PENDING status. It will only go offline after the active transaction is done. But at the mean time, no new transaction will grip this rollback segment.

Winnie

lerobe - Lee Robertson <LEROBE_at_acxiom.co.uk>@fatcity.com on 11/21/2000 08:55:54 AM

Please respond to ORACLE-L_at_fatcity.com

Sent by: root_at_fatcity.com

To: Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com> cc:

All,

Is there any method of tieing an individual user to a rollback segment to the exception of all others. I know about the set transaction thing but what
I want is to avoid other users on the db using the one created for a specific task.

Regards

Lee Robertson
Acxiom
Tel: 0191 525 7344
Fax: 0191 525 7007
Email: lerobe_at_acxiom.co.uk

The information contained in this communication is confidential, is intended only for the use of the recipient named above, and may be legally privileged. If the reader of this message is not the intended recipient, you are hereby notified that any dissemination, distribution or copying of this communication is strictly prohibited. If you have received this communication in error, please re-send this communication to the sender and delete the original message or any copy of it from your computer system.

--
Please see the official ORACLE-L FAQ: http://www.orafaq.com
--
Author: lerobe - Lee Robertson
  INET: LEROBE_at_acxiom.co.uk

Fat City Network Services    -- (858) 538-5051  FAX: (858) 538-5051
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-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: 
  INET: Winnie_Liu_at_infonet.com

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--------------------------------------------------------------------
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<P><FONT SIZE=2>It will not work if user has a script need to be executsd with explicit or implicit commit (like DDL).</FONT>
</P>

<P><FONT SIZE=2>Alex Hillman</FONT>
</P>

<P><FONT SIZE=2>-----Original Message-----</FONT>
<BR><FONT SIZE=2>From: Winnie_Liu_at_infonet.com [<A HREF="mailto:Winnie_Liu_at_infonet.com">mailto:Winnie_Liu_at_infonet.com</A>]</FONT>
<BR><FONT SIZE=2>Sent: Tuesday, November 21, 2000 3:56 PM</FONT>
<BR><FONT SIZE=2>To: Multiple recipients of list ORACLE-L</FONT>
<BR><FONT SIZE=2>Subject: Re: Rollback segs</FONT>
</P>
<BR>
<BR>
<BR>

<P><FONT SIZE=2>No, there is no guarantee that a rollback segment can be delicated to a</FONT>
<BR><FONT SIZE=2>specific user only.</FONT>
</P>

<P><FONT SIZE=2>Even the set transaction thing cannot forbid other user from using that</FONT>
<BR><FONT SIZE=2>rollback segment.</FONT>
</P>

<P><FONT SIZE=2>But there is a trick that you can use to get what you want.</FONT>
</P>

<P><FONT SIZE=2>Right before you issue that set transaction thing, bring the rollback</FONT>
<BR><FONT SIZE=2>segment online, then after that user put in the statement. Take the</FONT>
<BR><FONT SIZE=2>rollback segment offline.</FONT>
</P>

<P><FONT SIZE=2>Notice that the rollback segment is on the OFFLINE PENDING status. It will</FONT>
<BR><FONT SIZE=2>only go offline after the active transaction is done. But at the mean time,</FONT>
<BR><FONT SIZE=2>no new transaction will grip this rollback segment.</FONT>
</P>

<P><FONT SIZE=2>Winnie</FONT>
</P>
<BR>
<BR>
<BR>

<P><FONT SIZE=2>lerobe - Lee Robertson &lt;LEROBE_at_acxiom.co.uk&gt;@fatcity.com on 11/21/2000</FONT>
<BR><FONT SIZE=2>08:55:54 AM</FONT>
</P>

<P><FONT SIZE=2>Please respond to ORACLE-L_at_fatcity.com</FONT>
</P>

<P><FONT SIZE=2>Sent by:&nbsp; root_at_fatcity.com</FONT>
</P>
<BR>

<P><FONT SIZE=2>To:&nbsp;&nbsp; Multiple recipients of list ORACLE-L &lt;ORACLE-L_at_fatcity.com&gt;</FONT>
<BR><FONT SIZE=2>cc:</FONT>
</P>
<BR>
<BR>

<P><FONT SIZE=2>All,</FONT>
</P>

<P><FONT SIZE=2>Is there any method of tieing an individual user to a rollback segment to</FONT>
<BR><FONT SIZE=2>the exception of all others. I know about the set transaction thing but</FONT>
<BR><FONT SIZE=2>what</FONT>
<BR><FONT SIZE=2>I want is to avoid other users on the db using the one created for a</FONT>
<BR><FONT SIZE=2>specific task.</FONT>
</P>

<P><FONT SIZE=2>Regards</FONT>
</P>
<BR>
<BR>
<BR>

<P><FONT SIZE=2>Lee Robertson</FONT>
<BR><FONT SIZE=2>Acxiom</FONT>
<BR><FONT SIZE=2>Tel:&nbsp;&nbsp;&nbsp; 0191 525 7344</FONT>
<BR><FONT SIZE=2>Fax:&nbsp;&nbsp;&nbsp; 0191 525 7007</FONT>
<BR><FONT SIZE=2>Email: lerobe_at_acxiom.co.uk</FONT>
</P>
<BR>
<BR>
<BR>

<P><FONT SIZE=2>The information contained in this communication is</FONT>
<BR><FONT SIZE=2>confidential, is intended only for the use of the recipient</FONT>
<BR><FONT SIZE=2>named above, and may be legally privileged. If the reader</FONT>
<BR><FONT SIZE=2>of this message is not the intended recipient, you are</FONT>
<BR><FONT SIZE=2>hereby notified that any dissemination, distribution or</FONT>
<BR><FONT SIZE=2>copying of this communication is strictly prohibited.</FONT>
<BR><FONT SIZE=2>If you have received this communication in error, please</FONT>
<BR><FONT SIZE=2>re-send this communication to the sender and delete the</FONT>
<BR><FONT SIZE=2>original message or any copy of it from your computer</FONT>
<BR><FONT SIZE=2>system.</FONT>
<BR><FONT SIZE=2>--</FONT>
<BR><FONT SIZE=2>Please see the official ORACLE-L FAQ: http://www.orafaq.com</FONT>
<BR><FONT SIZE=2>--</FONT>
<BR><FONT SIZE=2>Author: lerobe - Lee Robertson</FONT>
<BR><FONT SIZE=2>&nbsp; INET: LEROBE_at_acxiom.co.uk</FONT>
</P>

<P><FONT SIZE=2>Fat City Network Services&nbsp;&nbsp;&nbsp; -- (858) 538-5051&nbsp; FAX: (858) 538-5051</FONT>
<BR><FONT SIZE=2>San Diego, California&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; -- Public Internet access / Mailing Lists</FONT>
<BR><FONT SIZE=2>--------------------------------------------------------------------</FONT>
<BR><FONT SIZE=2>To REMOVE yourself from this mailing list, send an E-Mail message</FONT>
<BR><FONT SIZE=2>to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in</FONT>
<BR><FONT SIZE=2>the message BODY, include a line containing: UNSUB ORACLE-L</FONT>
<BR><FONT SIZE=2>(or the name of mailing list you want to be removed from).&nbsp; You may</FONT>
<BR><FONT SIZE=2>also send the HELP command for other information (like subscribing).</FONT>
</P>
<BR>
<BR>

<P><FONT SIZE=2>-- </FONT>
<BR><FONT SIZE=2>Please see the official ORACLE-L FAQ: http://www.orafaq.com</FONT>
<BR><FONT SIZE=2>-- </FONT>
<BR><FONT SIZE=2>Author: </FONT>
<BR><FONT SIZE=2>&nbsp; INET: Winnie_Liu_at_infonet.com</FONT>
</P>

<P><FONT SIZE=2>Fat City Network Services&nbsp;&nbsp;&nbsp; -- (858) 538-5051&nbsp; FAX: (858) 538-5051</FONT>
<BR><FONT SIZE=2>San Diego, California&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; -- Public Internet access / Mailing Lists</FONT>
<BR><FONT SIZE=2>--------------------------------------------------------------------</FONT>
<BR><FONT SIZE=2>To REMOVE yourself from this mailing list, send an E-Mail message</FONT>
<BR><FONT SIZE=2>to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in</FONT>
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Received on Tue Nov 21 2000 - 15:31:01 CST

Original text of this message

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