Re: UNDOTBS + ARCHIVE LOGS

From: Tanel Poder <change_to_my_first_name_at_integrid.info>
Date: Sun, 18 Jan 2004 14:23:47 +0200
Message-ID: <400a7ad5_1@news.estpak.ee>

> The redo logs are for recoding transactions. When they fill up there is a
> log switch. If the database is in archivelog mode (good idea) then the
redo
> log that filled up is copied to a file called an archive log. (a new name
is

I generally agree, but it would be more correct to say that redologs are for recording any changes in Oracle datablocks, including rollback segment's blocks. Redo generation mechanism operates in different layer than transaction control one (kernel cache layer vs. kernel transaction layer).

Tanel. Received on Sun Jan 18 2004 - 06:23:47 CST