RE: differences between physical datafile and v$datafile

From: Mohan, Ross <MohanR_at_STARS-SMI.com>
Date: Tue, 01 May 2001 14:09:22 -0700
Message-ID: <F001.002F6CEB.20010501135028@fatcity.com>

Because your db_block_size is 4K?

|| -----Original Message-----
|| From: David Jones [mailto:djones1688_at_hotmail.com]
|| Sent: Tuesday, May 01, 2001 5:01 PM
|| To: Multiple recipients of list ORACLE-L
|| Subject: differences between physical datafile and v$datafile
||
||
|| Dear Guru:
||
|| When I query the physical file size
||
|| oracle:>ls -l users01.dbf
|| -rw-r-----   1 oracle   dba      104865792 Apr 10 13:56 users01.dbf
||
|| compare with the size I get from the v$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

||   INET: djones1688_at_hotmail.com

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Received on Tue May 01 2001 - 16:09:22 CDT