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space recovery [message #605285]

Wed, 08 January 2014 07:15

kekanap
Messages: 19
Registered: January 2008
Location: Centurion

Junior Member

Hallo Team,

I messed up. I created and added files to a wrong table space (user_data) instead PERFSTAT and i would like to claim it back if possible.

This is the command that i ran and it ran successfully but it was not supposed to be user_data :

ALTER TABLESPACE USER_DATA ADD DATAFILE '/u05/oracle/oradata/bill/dbf/data1/PERFSTAT_BILL_08.DBF' SIZE 5G;
ALTER TABLESPACE USER_DATA ADD DATAFILE '/u05/oracle/oradata/bill/dbf/data1/PERFSTAT_BILL_09.DBF' SIZE 5G;
ALTER TABLESPACE USER_DATA ADD DATAFILE '/u05/oracle/oradata/bill/dbf/data1/PERFSTAT_BILL_10.DBF' SIZE 5G;
ALTER TABLESPACE USER_DATA ADD DATAFILE '/u05/oracle/oradata/bill/dbf/data1/PERFSTAT_BILL_11.DBF' SIZE 5G;
ALTER TABLESPACE USER_DATA ADD DATAFILE '/u05/oracle/oradata/bill/dbf/data1/PERFSTAT_BILL_12.DBF' SIZE 5G;
ALTER TABLESPACE USER_DATA ADD DATAFILE '/u05/oracle/oradata/bill/dbf/data1/PERFSTAT_BILL_13.DBF' SIZE 5G;
ALTER TABLESPACE USER_DATA ADD DATAFILE '/u05/oracle/oradata/bill/dbf/data2/PERFSTAT_BILL_14.DBF' SIZE 5G;

i would like to reverse and claim back the space then run like below:

ALTER TABLESPACE PERFSTAT ADD DATAFILE '/u05/oracle/oradata/bill/dbf/data1/PERFSTAT_BILL_08.DBF' SIZE 5G;
ALTER TABLESPACE PERFSTAT ADD DATAFILE '/u05/oracle/oradata/bill/dbf/data1/PERFSTAT_BILL_09.DBF' SIZE 5G;
ALTER TABLESPACE PERFSTAT ADD DATAFILE '/u05/oracle/oradata/bill/dbf/data1/PERFSTAT_BILL_10.DBF' SIZE 5G;
ALTER TABLESPACE PERFSTAT ADD DATAFILE '/u05/oracle/oradata/bill/dbf/data1/PERFSTAT_BILL_11.DBF' SIZE 5G;
ALTER TABLESPACE PERFSTAT ADD DATAFILE '/u05/oracle/oradata/bill/dbf/data1/PERFSTAT_BILL_12.DBF' SIZE 5G;
ALTER TABLESPACE PERFSTAT ADD DATAFILE '/u05/oracle/oradata/bill/dbf/data1/PERFSTAT_BILL_13.DBF' SIZE 5G;
ALTER TABLESPACE PERFSTAT ADD DATAFILE '/u05/oracle/oradata/bill/dbf/data2/PERFSTAT_BILL_14.DBF' SIZE 5G;

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Re: space recovery [message #605288 is a reply to message #605285]

Wed, 08 January 2014 07:21

John Watson
Messages: 8960
Registered: January 2010
Location: Global Village

Senior Member

alter tablespace user_data drop datafile '/u05/oracle/oradata/bill/dbf/data2/PERFSTAT_BILL_14.DBF';

but you'll have to be quick.

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Re: space recovery [message #605295 is a reply to message #605288]

Wed, 08 January 2014 08:15

kekanap
Messages: 19
Registered: January 2008
Location: Centurion

Junior Member

awesome. it worked. thank you very much

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Re: space recovery [message #605434 is a reply to message #605295]

Thu, 09 January 2014 06:58

kekanap
Messages: 19
Registered: January 2008
Location: Centurion

Junior Member

James thank you for yesterday's response. How would i have checked if the space was already being used ?

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Re: space recovery [message #605437 is a reply to message #605434]

Thu, 09 January 2014 07:02

John Watson
Messages: 8960
Registered: January 2010
Location: Global Village

Senior Member

Now that your emergency is over, it is time you did some work: read the docs, and you will find the appropriate views. Hint: "extents".

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