RE: ** commit or rollback - diff

so it is just my imagination or does any else remember (the old days, of i 
think either v6 or 7 of oracle), when if you did a large transaction and 
decided to rollback and it was quick and a commit took a while, but then 
oracle did a switch since the majority of the time the commit was what 
happened and it was now quick and the rollback took time to complete, or 
did i just dream that whole thing up?

joe

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From:
"Goulet, Richard" <Richard.Goulet@xxxxxxxxxxx>
To:
<ajoshi97@xxxxxxxxx>, <oracle-l@xxxxxxxxxxxxx>
Date:
02/13/2009 08:47 AM
Subject:
RE: ** commit or rollback - diff
Sent by:
oracle-l-bounce@xxxxxxxxxxxxx



From that point of view I do believe they are equal.
 
Dick Goulet 
 

From: A Joshi [mailto:ajoshi977@xxxxxxxxx] 
Sent: Thursday, February 12, 2009 4:47 PM
To: oracle-l@xxxxxxxxxxxxx; Goulet, Richard
Subject: RE: ** commit or rollback - diff

Dick,
   Thanks. Yes, I see that from safety point of view. From performance 
point of view and resource consumption : which is faster? Or does it make 
no diff? I know commit is expensive operation : however : is that only if 
there are changes. Thanks 

--- On Thu, 2/12/09, Goulet, Richard <Richard.Goulet@xxxxxxxxxxx> wrote:
From: Goulet, Richard <Richard.Goulet@xxxxxxxxxxx>
Subject: RE: ** commit or rollback - diff
To: ajoshi977@xxxxxxxxx, oracle-l@xxxxxxxxxxxxx
Date: Thursday, February 12, 2009, 4:38 PM

Rollback is safer just incase you did a DML transaction without knowing it 
like inside a procedure.
 
Dick Goulet 
 

From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] 
On Behalf Of A Joshi
Sent: Thursday, February 12, 2009 4:32 PM
To: oracle-l@xxxxxxxxxxxxx
Subject: ** commit or rollback - diff 


Hi, 
    If I have not done a dml transaction in a session : no update, delete 
or insert etc. I have only done select and some of the objects can be over 
a db link. So I can do a commit or rollback so that no transaction is 
pending in my session. My question is : is there any difference in such 
case between the behaviour of commit and rollback. When there is no data 
as such to commit or rollback.  I am thinking it is better to do rollback 
since it has to do less. Am I wrong. Any observation. Thanks for help. 
Thanks



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