it doesn't store the number of times it extended but it's easily
derived
# extensions=
(v$datafile.bytes - v$datafile.create_bytes)/sys.filext$.inc
- "Reardon, Bruce (CALBBAY)" <Bruce.Reardon_at_comalco.riotinto.com.au>
wrote:
> Is it possible to determine how many times a file has extended?
>
> I know that v$datafile.CREATE_BYTES will show what size the file was
> initially created at.
> And dba_data_files.INCREMENT_BY shows how much each datafile is
> currently
> set to extend by (number of database blocks).
>
> But, given that we can manually resize a file and that we can alter
> the
> value of next for a datafile, does Oracle store how many times each
> file has
> extended?
>
> Why is this of interest - this number can be related to / help
> explain the
> degree of OS fragmentation for the datafile.
>
> Thanks,
> Bruce Reardon
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: Reardon, Bruce (CALBBAY)
> INET: Bruce.Reardon_at_comalco.riotinto.com.au
>
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Received on Mon Oct 01 2001 - 04:00:16 CDT
