differences between physical datafile and v$datafile

From: David Jones <djones1688_at_hotmail.com>
Date: Tue, 01 May 2001 13:29:01 -0700
Message-ID: <F001.002F6BA0.20010501130114@fatcity.com>

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 Jones
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