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Re: why need to backup undo tablespace?

From: niy38 <niy38_at_yahoo.com>
Date: Tue, 14 Dec 2004 17:31:59 -0700
Message-ID: <cpo0m0$qpu$1@hisatsinom.cs.arizona.edu>


here "restore", with different meaning, I call it "internally re-construct rollback segment", :)

"Denis Do" <nospam.denisdo_at_yahoo.com> wrote in message news:slrncrut5h.2ik.nospam.denisdo_at_denisdo.news.google.com...
> On 2004-12-14, Richard Foote <richard.foote_at_bigpond.nospam.com> wrote:
>> 9) In a manner, I disagree with Denis on the 2 stages of recovery, I
>> believe
>> there are 3 and he missed out the crucial first step, *restore*
>
> ... and, obviusly, RESTORE and RECOVER are *different*
> operations :-). So, *recover* consists of 2 steps:
> - rolling forward
> - rolling uncommited changes back
>
> I hope now you agree, if not - please have a look at
> Recovery Guide for term's definitions.
>
> Have a great day!
Received on Tue Dec 14 2004 - 18:31:59 CST

Original text of this message

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