Re: Explain What is Oracle Logical IO

"Tanel Poder" <change_to_my_first_name_at_integrid.info> wrote in message news:3f485b00$1_1_at_news.estpak.ee...
> > I/O where you did not have to go to the disks (from Oracle's
> > perspective).
> >
> > ie "I want read some data from a block, send out a read request - great
> > it already in memory"
>
> As an addition, even if you read only one row from a block, this might
> result in more than one logical IOs, such is the case with consistent read
> when undo blocks have to be get to build consitent image of a data block.
>
> Tanel.
>
>

Couldn't you just better post all the relevant passages from the FM?

-- 
Sybrand Bakker
Senior Oracle DBA

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