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Tablespace without datafile [message #123377]

Mon, 13 June 2005 00:58

vivekmenon_k
Messages: 9
Registered: March 2005
Location: India

Junior Member

Is is possible to create a tablespace without datafiles.If I have a tablespace with only one datafile is it possible to drop it.
I am faced with a situation were I have a tablespace with no datafile in it.What could be the reason?

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Re: Tablespace without datafile [message #123419 is a reply to message #123377]

Mon, 13 June 2005 07:00

limer
Messages: 15
Registered: June 2005
Location: Madrid

Junior Member

I think is not possible to have a tablespace without datafiles. Maybe you have a nonexistent file (erased by the SO) associated. Is Your database working?.

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Re: Tablespace without datafile [message #123432 is a reply to message #123377]

Mon, 13 June 2005 08:11

Mahesh Rajendran
Messages: 10708
Registered: March 2002
Location: oracleDocoVille

Senior Member
Account Moderator

>>I am faced with a situation were I have a tablespace with no datafile in it.What could be the reason

query the dictionaries and post the results.

[Updated on: Mon, 13 June 2005 09:59]

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Re: Tablespace without datafile [message #123510 is a reply to message #123432]

Mon, 13 June 2005 15:51

sunil_v_mishra
Messages: 506
Registered: March 2005

Senior Member

hi,

If you have tablespace with no datafile then what is the use of tablespace ....

By the way this is the SQL by which you can see which datafile is attached with your tablespace.

SQL> select FILE_NAME,TABLESPACE_NAME from dba_data_files;

And if you dont have any datafile attached with the tablespace then make that tablespace offline ... Wink

SQL>ALTER TABLESPACE <tablespace name> OFFLINE;

Then create new tablespace with datafile attached with it...

Note:-SYSTEM TABLESPACE CANNOT BE TAKEN OFFLINE.

From :- sunil

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