Re: automatic extent allocation

On Fri, 7 Jan 2005 13:37:22 -0800, Jared Still <jkstill_at_gmail.com> wrote:
> > I was thinking that "Unlimited" actually corresponds to 2 billion. In any
> > case it is a lot and probably more than enough for most shops.
>
> ... which allows for a 16 TB table with an 8k block size.
>
> Or if using the drive manufacturers prefferred decimal notation, 17.5 TB.
>
> Probably enough for most tables.
>
> So, why extent limits determined with a 31 bit number?
>
> Rather than a 32 bit one that is.
>
> --
> Jared Still
> Certifiable Oracle DBA and Part Time Perl Evangelist

Signed vs unsigned, I assume.

Junior programmer, one year into the project, "Wait! Shouldn't we use an unsigned long for an extra 2 billion extents?" Senior programmer, "Wipe your nose, kid. We're already behind schedule. Besides, if a DBA has a single segment with 17.5 TB of data, hitting the extent limit is the least of his/her worries." JP, grabbing tissue, "Oh."

I guess in Oracle-speak, "unlimited" means "if you hit this limit you are already up the creek". ;)

Steven

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