Topic: Database Administration >> undo tablespaces
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| raj |
Posted: Aug 15, 2007 08:12:16 AM |
Total Post: 15
Joined: Aug, 2007
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hi,
i have created two undo tablespace raj6 and raj7
if give sho paramtere undo_ then it will sho like this
NAME TYPE VALUE
------------------------------------ ----------- ----------
undo_management string AUTO
undo_retention integer 900
undo_suppress_errors boolean FALSE
undo_tablespace string RAJ6
now i want change raj6 to raj7 how can i change |
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 Punit |
| Posted: Aug 15, 2007 08:56:19 AM |  |
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Total Post: 1
Joined: Feb, 2006
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Hi ,
Its very simple to switch 1 tablespace to another
Currently your undo tablespace name is Raj6 now you want to switch to Raj7
follow these steps
1) ////Create seperate undo tablespace ////
create a tablespace with the name RAJ7.
2) ///////// Dynamic switching ////////////
alter system set undo_tablespace=RAJ7;
3) //// CHECK OUT WHERE ACTIVE TRANSACTION EXSIST OR NOT ////
select a.name,b.status from v$rollname a,v$rollstat b
where a.name IN(select segment_name from dba_segments
where tablespace_name='RAJ7') and a.usn=b.usn;
If the result shows all online then follow the step 4 otherwise
wait until all the transaction completed
4) ///////// Drop 1st tablespace//////
drop tablespace raj6 including contents and datafiles;
Thanks and Regards
Punit Chitra
(DBA,OCP)
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| Mohammed Taj |
| Posted: Aug 18, 2007 02:45:21 AM | |
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Total Post: 746
Joined: Jul, 2007
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http://dbataj.blogspot.com/search/label/Undo%20Tablespace
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