How to reduce the temp tablespace data file

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• How to move a specific tablespace data file from one directory to another

  Database: 10.2.0.1
  OS: generic
  Description of the problem: how to move a specific tablespace data file of one directory to another account of the database that is on the installer of Oracle Dataguard
  
  * Oracle is working on this issue, but at the same time opens the topic community so that community members can add their views, experience, or knowledge. This will strengthen again all the knowledge bases, including My Oracle Support and My Oracle Support Communities *.
  
  Published by: ram_orcl on August 16, 2010 21:21

  Dear ram_orcl,

  Please follow the procedures here;

  http://download-UK.Oracle.com/docs/CD/B19306_01/server.102/b14239/manage_ps.htm#i1034172

  8.3.4 Renaming a Datafile in the Primary Database
  
  When you rename one or more datafiles in the primary database, the change is not propagated to the standby database. Therefore, if you want to rename the same datafiles on the standby database, you must manually make the equivalent modifications on the standby database because the modifications are not performed automatically, even if the STANDBY_FILE_MANAGEMENT initialization parameter is set to AUTO.
  
  The following steps describe how to rename a datafile in the primary database and manually propagate the changes to the standby database.
  
     1.
  
        To rename the datafile in the primary database, take the tablespace offline:
  
        SQL> ALTER TABLESPACE tbs_4 OFFLINE;
  
     2.
  
        Exit from the SQL prompt and issue an operating system command, such as the following UNIX mv command, to rename the datafile on the primary system:
  
        % mv /disk1/oracle/oradata/payroll/tbs_4.dbf
        /disk1/oracle/oradata/payroll/tbs_x.dbf
  
     3.
  
        Rename the datafile in the primary database and bring the tablespace back online:
  
        SQL> ALTER TABLESPACE tbs_4 RENAME DATAFILE      2> '/disk1/oracle/oradata/payroll/tbs_4.dbf'
          3>  TO '/disk1/oracle/oradata/payroll/tbs_x.dbf';
        SQL> ALTER TABLESPACE tbs_4 ONLINE;
  
     4.
  
        Connect to the standby database, query the V$ARCHIVED_LOG view to verify all of the archived redo log files are applied, and then stop Redo Apply:
  
        SQL> SELECT SEQUENCE#,APPLIED FROM V$ARCHIVED_LOG ORDER BY SEQUENCE#;
        SEQUENCE# APP
        --------- ---
        8 YES
        9 YES
        10 YES
        11 YES
        4 rows selected.
  
        SQL> ALTER DATABASE RECOVER MANAGED STANDBY DATABASE CANCEL;
  
     5.
  
        Shut down the standby database:
  
        SQL> SHUTDOWN;
  
     6.
  
        Rename the datafile at the standby site using an operating system command, such as the UNIX mv command:
  
        % mv /disk1/oracle/oradata/payroll/tbs_4.dbf /disk1/oracle/oradata/payroll/tbs_x.dbf
  
     7.
  
        Start and mount the standby database:
  
        SQL> STARTUP MOUNT;
  
     8.
  
        Rename the datafile in the standby control file. Note that the STANDBY_FILE_MANAGEMENT initialization parameter must be set to MANUAL.
  
        SQL> ALTER DATABASE RENAME FILE '/disk1/oracle/oradata/payroll/tbs_4.dbf'
          2> TO '/disk1/oracle/oradata/payroll/tbs_x.dbf';
  
     9.
  
        On the standby database, restart Redo Apply:
  
        SQL> ALTER DATABASE RECOVER MANAGED STANDBY DATABASE
          2> DISCONNECT FROM SESSION;
  
  If you do not rename the corresponding datafile at the standby system, and then try to refresh the standby database control file, the standby database will attempt to use the renamed datafile, but it will not find it. Consequently, you will see error messages similar to the following in the alert log:
  
  ORA-00283: recovery session canceled due to errors
  ORA-01157: cannot identify/lock datafile 4 - see DBWR trace file
  ORA-01110: datafile 4: '/Disk1/oracle/oradata/payroll/tbs_x.dbf'
  

  Hope that helps.

  Ogan

• Not able to reduce the size of data file

  Hi all
  I use Oracle Database 11.2.0.2 etdansl ASM instance. Today, I noticed that the use of the disk is almost full in my disk groups. I thought so to reduce the size of large size Tablespace data files.
  
  Select file_name, bytes/1024/1024 of dba_data_files where nom_tablespace = 'FRARDTA9T ';
  
  FILE_NAME BYTES/1024/1024
  ------------------------------------------------------------------------- -------------------------------------
  +DATAJDFSWM/t1erp90d/datafile/frardta9t01.dbf 81000
  
  ALTER database datafile '+ DATAJDFSWM/t1erp90d/datafile/frardta9t01.dbf' resize 40000M;
  
  I get the following error.
  
  
  ERROR on line 1:
  ORA-03297: file contains data beyond the requested value of RESIZING
  
  Here is the result for DBA_FREE_SPACE
  
  
  SQL > select * from dba_free_space where nom_tablespace = 'FRARDTA9T ';
  
  NOM_TABLESPACE, FILE_ID, BLOCK_ID BYTES BLOCKS RELATIVE_FNO
  -------------------------------------------- ---------- -------------- ---------- ----------- -----------------
  104 97728 5767168 704 1024 FRARDTA9T
  104 189016 4521984 552 1024 FRARDTA9T
  104 277016 5046272 616 1024 FRARDTA9T
  104 277680 655360 80 1024 FRARDTA9T
  104 1630336 3288334336 401408 1024 FRARDTA9T
  104 2031744 4160749568 507904 1024 FRARDTA9T
  104 2539648 4160749568 507904 1024 FRARDTA9T
  104 3047552 4160749568 507904 1024 FRARDTA9T
  104 3555456 4160749568 507904 1024 FRARDTA9T
  104 4063360 4160749568 507904 1024 FRARDTA9T
  104 4571264 4160749568 507904 1024 FRARDTA9T
  104 5079168 4160749568 507904 1024 FRARDTA9T
  104 5587072 1543503872 188416 1024 FRARDTA9T
  104 5775616 2616197120 319360 1024 FRARDTA9T
  104 6094976 4160749568 507904 1024 FRARDTA9T
  104 6637472 2803630080 342240 1024 FRARDTA9T
  104 7550488 558694400 68200 1024 FRARDTA9T
  104 7618688 4160749568 507904 1024 FRARDTA9T
  104 8126592 4160749568 507904 1024 FRARDTA9T
  104 8634496 4160749568 507904 1024 FRARDTA9T
  104 9142400 4160749568 507904 1024 FRARDTA9T
  104 9650304 4160749568 507904 1024 FRARDTA9T
  104 10223520 786432 96 1024 FRARDTA9T
  
  Please suggest me how to solve this problem... There's fragmentation the culprit who don't let not releasing me a space?
  
  -Saha

  the tablespace is fragmented maybe you defragment to free up space. There are several features to do more or less effective.

  -change the movement of the table / index
  exp/imp
  -reduce the space
  -dbms_redefinition
  -DEC

  each technology has advantages and disadvantages...
  I suggest starting by shrink space, but do not start with larger items...

  HTH

• How to reduce the UNDO Tablespace

  Hello
  We had an UNDO Tablespace to 22 GB but it's using just 2GB. How to shrink the undo tablespace. We use the database in production cluster 3 node 10.2.0.4
  Is there is way we can worry about UNDO Tablespace or should I create an UNDO tablespace and assign the undo tablespace to DB and let fall the old CANCEL?
  How to ensure that the transactions are done and free to abandon the old CANCEL?
  That's what we must restart all three nodes each node has its own UNDO Tablespace.
  
  Need help on this issue.
  
  would appreciate your quick response.
  
  
  Thank you

  No you have not.

  concerning
  Mohamed

• How to move a segment in the SYSAUX tablespace data file

  Hello
  
  I had a problem with my tablespace SYSAUX growing due to the history of Stats being not properly purged (lots of hits and articles against this known issue). I have since corrected this problem and I did my SYSAUX tablespace so that it is now less than 3 GB. However, the data file unique original behind this tablespace is still 10 GB and I want to reduce again to below 6 GB.
  
  However as a suspect when I try to reduce the data return file I get ORA-03297 file contains data beyond the requested value of RESIZING.
  
  I checked the table dba_extents for this tablespace, which reveals there are approximately 765 segments over my desired fix of 6 GB.
  
  Q1. If there is only 1 or 2 segments above this mark of 6 GB, how would manually move their bottom?
  
  Q2. I gave have 765 segments above this 6 GB brand, what are the recommendations to achieve the mass movement required of these segments?
  
  Thank you
  Jim

  The Alter Table or Alter Index statement will pass all these types of segment?

  Lol some are special items.

  Here is what I make sure you test something you care to.

  And the double test. Frankly, I would like to change the least possible and if I didn't do it, I would avoid.
  It might be easily really much, much more trouble than its worth.

  LOBINDEX

  ALTER table move lob () store (tablespace );

  NESTED TABLE

  A nested table can be moved to a different tablespace only by moving his table containing storage target.
  (Move the parent table, which is only necessary.)

  PARTITON TABLE

  ALTER partitioned table move partition part_2 tablespace ;

  LOB SEGMENT

  ALTER TABLE owner.table_name MOVE LOB (column_name) STORE AS (nom_tablespace);

  CLUSTER

  I'm not sure.

  INDEX PARTITION

  example of

  ALTER INDEX SYS. I_STREAMS_APPLY_SPILL_MSGS_PT1 CHANGE DEFAULT USERS TABLESPACE ATTRIBUTES;

  PARTITION OF LOB

  ALTER table

  partition of moving lob () store as (tablespace );

  See also - online redefinition of tables

  http://Oracle.Su/docs/11g/server.112/e10595/tables007.htm

  Oracle Database 10 g Release 2 online data reorganization & redefinition

  http://www.Oracle.com/technetwork/database/features/availability/HA-10gR2-online-reorg-TWP-131644.PDF

  http://jhdba.WordPress.com/2009/05/19/purging-statistics-from-the-SYSAUX-tablespace/

  Best regards

  mseberg

• Lost in the SYSTEM tablespace data file

  Version: 10.2.0.5
  Platform: AIX 6.1
  
  The only data in the System tablespace file is lost. The DB has crashed.
  We have the RMAN backup and the newspaper archive since the last backup of level 1.
  With RMAN, where should we go
  
  a. restore, Recover Database
  or
  b. restore, recover any SYSTEM tablespace?

  Your database must be mounted State.

  RMAN > run {}
  allocate channels ch1 disc type;
  system restore of tablespace;
  recover the system tablespace.
  SQL 'ALTER DATABASE OPEN;
  }

  Talip Hakan Öztürk
  http://taliphakanozturken.WordPress.com/

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• Loss of all control files and two independent of the system tablespace data files.

  Hello
  
  
  Loss of the controlfile and 2 data files: February 25, 2010... 15:00
  
  Database: in Archivelog mode
  
  Backup: controlfile and all (6) datafiles on February 20, 2010 and all archive logs are available up to the failure
  
  -Wanted to recover.

  Even if the controlfiles are restored from a backup, as long as the archive + online redo logs are available, you can make a FULL recovery.
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  Hemant K Collette
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