Re: differences between physical datafile and v$datafile

File Header

David Jones wrote:
>
> Dear Guru:
>
> When I query the physical file size
>
> oracle:>ls -l users01.dbf
> -rw-r----- 1 oracle dba 104865792 Apr 10 13:56 users01.dbf
>
> compare with the size I get from the v$datafile
> SQL> select name, sum(bytes) from v$datafile where name like '%users%' group
> by name;
>
> NAME SUM(BYTES)
> ----------------------------------- ----------
> /u02/oradata/GDB1/users01.dbf 104857600
>
> Why there're 8K difference ?
>
> Thanks
>
> --dj
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-- 
Author: David A. Barbour
  INET: dbarbour_at_nucentrix.net

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