RE: Datafile info.

  • From: "Igor Neyman" <ineyman@xxxxxxxxxxxxxx>
  • To: <davidsharples@xxxxxxxxx>, <oracle-l@xxxxxxxxxxxxx>
  • Date: Wed, 17 Nov 2004 09:40:12 -0500

I guess it depends on oracle version (and platform?):

SQL> select file_name from dba_data_files;

FILE_NAME
------------------------------------------------------------------------
----D:\ORANT\ORADATA\DDM\SYS1DDM.ORA
D:\ORANT\ORADATA\DDM\RBS1DDM.ORA
D:\ORANT\ORADATA\DDM\SYSAUX01.ORA
D:\ORANT\ORADATA\DDM\RMTL.ORA
D:\ORANT\ORADATA\DDM\RMTM.ORA
D:\ORANT\ORADATA\DDM\RMTS.ORA

6 rows selected.


Oracle10 on WinXP (and I know, actual file names are not all upper
case).


Igor Neyman, OCP DBA
ineyman@xxxxxxxxxxxxxx



-----Original Message-----
From: oracle-l-bounce@xxxxxxxxxxxxx
[mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of David Sharples
Sent: Wednesday, November 17, 2004 9:22 AM
To: oracle-l@xxxxxxxxxxxxx
Subject: Re: Datafile info.

data files are not stored in up case in the data dictionaey

SQL> select file_name from dba_data_files
  2  /

FILE_NAME
------------------------------------------------------------------------
--------
/u02/oradata/system01.dbf


So your query would return nothing (something you could of checked)


On Wed, 17 Nov 2004 09:08:15 -0500, Igor Neyman <ineyman@xxxxxxxxxxxxxx>
wrote:
> 
> select TABLESPACE_NAME, BYTES, BLOCKS from DBA_DATAFILES
>    where FILE_NAME = UPPER('/oracle/dbs/BIG.dbf');
> 
> Igor Neyman, OCP DBA
> ineyman@xxxxxxxxxxxxxx
> 
> 
> 
> 
> -----Original Message-----
> From: oracle-l-bounce@xxxxxxxxxxxxx
> [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Jaehne, Richard S
> Sent: Tuesday, November 16, 2004 3:38 PM
> To: 'Oracle-L (E-mail)
> Subject: Datafile info.
> 
> All,=20
> 
> I've got a large (4G.) datafile  let's call him BIG.dbf on one of my =
> database servers that I'm not sure what's living in it. =20
> 
> I did run the following sql statement:
> 
> SQL> select TABLESPACE_NAME, BYTES, BLOCKS from DBA_DATAFILES
>    2    where FILE_NAME =3D '/oracle/dbs/BIG.dbf';
> 
> no rows selected
> 
> Does this mean that this is an empty file?  I'm a little puzzled.
> 
> Thanks,=20
> 
> Richard Jaehne
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> //www.freelists.org/webpage/oracle-l
> 
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