Re: wither the checkpoint?

Esoteric is a good choice of word.
I would guess that this is just a poor choice of words. I think it should read

> "A checkpoint identifies a redo log record such that all
> changes prior to the __redo log record__ pointed to by the checkpoint
> have been written to the datafiles by DBWn. "

If this assumption is correct it gets rid of that one uncomfortable floating change because it is not a change record but a checkpoint record.

--

Jonathan Lewis
Yet another Oracle-related web site: www.jlcomp.demon.co.uk

Jonathan Gennick wrote in message
<37060596.14070120_at_netnews.worldnet.att.net>...
>I have an esoteric question on checkpoints that I need
>answered. The Oracle8 Backup & Recovery manual, under the
>heading "Managing Checkpoints", states the following:
>
> "A checkpoint identifies a redo log record such that all
> changes prior to the change pointed to by the checkpoint
> have been written to the datafiles by DBWn. "
>
>The way this sentence is written, it sounds as if the
>specific change pointed to by the checkpoint has NOT been
>written to the datafiles. Is that really true? Does anyone
>know for sure. Can anyone point me to a reliable reference
>that clarifies this?
>
>Jonathan
Received on Fri Apr 02 1999 - 15:25:04 CST