Re: init.ora parm COMPATIBLE

aaarghh...apparently I completely misunderstood COMPATIBLE

Thank you very much for the clarification!

On Fri, 18 Oct 2002 21:32:56 +1000, "Howard J. Rogers" <howardjr2000_at_yahoo.com.au> wrote:

>Please understand what the compatible parameter does: it signifies what
>*data structures* are permissible, not what new features are allowed. With
>a compatible parameter set to 8.1... I can still do flashback in 9i -because
>flashback is a coding thing, and uses boring old rollback segments to make

>it work.
>
>What I can't do is use Automatic Segment Space Management, because ASSM
>requires a bitmap to describe extent usage, and a bitmap to describe extent
>usage is a new data structure not seen before 9i.
>
>So no, it's no surprise you can do "8i" things with an 8.0 compatible
>parameter if those 8i things are just programmatic magic, and not physically
>novel structures.
>
>HJR
Marc Blum
mailto:marc_at_marcblum.de
http://www.marcblum.de Received on Fri Oct 18 2002 - 07:21:40 CDT