Use of a single tablespace or backup data file

Similar Questions

• tablespace with multiple data files

  Hi all
  
  We have RHEL4 server with oracle 10 g 2 inside.
  
  can we create a tablespace with multiple data files? I mean while creating a tablespace itself, we should be able to create two or more data files (should not use ALTER tablespace command).
  
  If possible, please give me the SQL to do this (assume that I need to create a tablespace with two data files).
  
  Thanks in advance...

  Not so difficult isn't it?

  create tablespace datafile test
  '1.dbf' size 1 m REUSE AUTOEXTEND ON NEXT 32 M MAXSIZE 1500 M,
  '2.dbf' size 1 M REUSE AUTOEXTEND ON NEXT 32 M MAXSIZE 1500 M
  EXTENT MANAGEMENT SEGMENT LOCAL SPACE MANAGEMENT AUTO;

• RMAN, any backup data file.

  Dear...
  
  I have a scenario.
  
  Backup RMAN - yesterday.
  
  DataFile added today, and he lost in the evening. How a datafile restore/restore with RMAN, as data file has been saved in the last backup RMAN.
  
  Version: 10.2.0.1.0
  
  Kind regards.

  YES, below.

  name of the archived log file = C:\ORACLE\FLASH_RECOVERY_AREA\ORCL\ARCHIVELOG\2012_02_21\O1_MF_1_18_7N6MQBWS_. Wire ARC = 1 sequence = 18
  The creation data file file number = 7 name = C:\ORACLE\ORADATA\ORCL\USERS03. DBF

  RMAN> backup database;
  
  Starting backup at 21-FEB-12
  allocated channel: ORA_DISK_1
  channel ORA_DISK_1: SID=133 device type=DISK
  channel ORA_DISK_1: starting full datafile backup set
  channel ORA_DISK_1: specifying datafile(s) in backup set
  input datafile file number=00001 name=C:\ORACLE\ORADATA\ORCL\SYSTEM01.DBF
  input datafile file number=00002 name=C:\ORACLE\ORADATA\ORCL\SYSAUX01.DBF
  input datafile file number=00003 name=C:\ORACLE\ORADATA\ORCL\UNDOTBS01.DBF
  input datafile file number=00005 name=C:\ORACLE\ORADATA\ORCL\EXAMPLE01.DBF
  input datafile file number=00006 name=C:\ORACLE\ORADATA\ORCL\USERS02.DBF
  input datafile file number=00004 name=C:\ORACLE\ORADATA\ORCL\USERS01.DBF
  channel ORA_DISK_1: starting piece 1 at 21-FEB-12
  channel ORA_DISK_1: finished piece 1 at 21-FEB-12
  piece handle=C:\ORACLE\FLASH_RECOVERY_AREA\ORCL\BACKUPSET\2012_02_21\O1_MF_NNNDF_TAG20120221T132643_7N6MKWPX_.BKP tag=TAG20120221T132643 comment=NONE
  channel ORA_DISK_1: backup set complete, elapsed time: 00:00:55
  Finished backup at 21-FEB-12
  
  Starting Control File and SPFILE Autobackup at 21-FEB-12
  piece handle=C:\ORACLE\FLASH_RECOVERY_AREA\ORCL\AUTOBACKUP\2012_02_21\O1_MF_S_775834060_7N6MMO5Q_.BKP comment=NONE
  Finished Control File and SPFILE Autobackup at 21-FEB-12
  
  RMAN> exit
  
  SQL> alter tablespace users add datafile 'C:\ORACLE\ORADATA\ORCL\USERS03.dbf' size 10m;
  
  Tablespace altered.
  
  SQL>
  
  SQL> alter system switch logfile;
  
  System altered.
  
  SQL> startup force mount exclusive restrict;
  ORACLE instance started.
  
  Total System Global Area  778387456 bytes
  Fixed Size                  1374808 bytes
  Variable Size             310379944 bytes
  Database Buffers          461373440 bytes
  Redo Buffers                5259264 bytes
  Database mounted.
  SQL> drop database;
  
  Database dropped.
  
  Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production
  With the Partitioning, OLAP, Data Mining and Real Application Testing options
  SQL>    exit
  
  C:\Users\bn2676>sqlplus / as sysdba
  
  SQL*Plus: Release 11.2.0.1.0 Production on Tue Feb 21 13:51:27 2012
  
  Copyright (c) 1982, 2010, Oracle.  All rights reserved.
  
  Connected to an idle instance.
  
  SQL> startup nomount
  ORACLE instance started.
  
  Total System Global Area  778387456 bytes
  Fixed Size                  1374808 bytes
  Variable Size             310379944 bytes
  Database Buffers          461373440 bytes
  Redo Buffers                5259264 bytes
  SQL> exit
  Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production
  With the Partitioning, OLAP, Data Mining and Real Application Testing options
  
  C:\Users\bn2676>rman target /
  
  Recovery Manager: Release 11.2.0.1.0 - Production on Tue Feb 21 13:51:52 2012
  
  Copyright (c) 1982, 2009, Oracle and/or its affiliates.  All rights reserved.
  
  connected to target database: ORCL (not mounted)
  
  RMAN> restore controlfile from 'C:\ORACLE\FLASH_RECOVERY_AREA\ORCL\AUTOBACKUP\2012_02_21\O1_MF_S_775834060_7N6MMO5Q_.BKP';
  
  Starting restore at 21-FEB-12
  using target database control file instead of recovery catalog
  allocated channel: ORA_DISK_1
  channel ORA_DISK_1: SID=63 device type=DISK
  
  channel ORA_DISK_1: restoring control file
  channel ORA_DISK_1: restore complete, elapsed time: 00:00:03
  output file name=C:\ORACLE\ORADATA\ORCL\CONTROL01.CTL
  output file name=C:\ORACLE\FLASH_RECOVERY_AREA\ORCL\CONTROL02.CTL
  Finished restore at 21-FEB-12
  
  RMAN> sql 'alter database mount';
  
  sql statement: alter database mount
  released channel: ORA_DISK_1
  
  RMAN> restore database;
  
  Starting restore at 21-FEB-12
  Starting implicit crosscheck backup at 21-FEB-12
  allocated channel: ORA_DISK_1
  channel ORA_DISK_1: SID=63 device type=DISK
  Crosschecked 8 objects
  Finished implicit crosscheck backup at 21-FEB-12
  
  Starting implicit crosscheck copy at 21-FEB-12
  using channel ORA_DISK_1
  Finished implicit crosscheck copy at 21-FEB-12
  
  searching for all files in the recovery area
  cataloging files...
  cataloging done
  
  List of Cataloged Files
  =======================
  File Name: C:\ORACLE\FLASH_RECOVERY_AREA\ORCL\ARCHIVELOG\2012_02_21\O1_MF_1_18_7N6MQBWS_.ARC
  File Name: C:\ORACLE\FLASH_RECOVERY_AREA\ORCL\ARCHIVELOG\2012_02_21\O1_MF_1_19_7N6NXV4M_.ARC
  File Name: C:\ORACLE\FLASH_RECOVERY_AREA\ORCL\AUTOBACKUP\2012_02_21\O1_MF_S_775834060_7N6MMO5Q_.BKP
  File Name: C:\ORACLE\FLASH_RECOVERY_AREA\ORCL\AUTOBACKUP\2012_02_21\O1_MF_S_775834547_7N6N2WHN_.BKP
  
  using channel ORA_DISK_1
  
  channel ORA_DISK_1: starting datafile backup set restore
  channel ORA_DISK_1: specifying datafile(s) to restore from backup set
  channel ORA_DISK_1: restoring datafile 00001 to C:\ORACLE\ORADATA\ORCL\SYSTEM01.DBF
  channel ORA_DISK_1: restoring datafile 00002 to C:\ORACLE\ORADATA\ORCL\SYSAUX01.DBF
  channel ORA_DISK_1: restoring datafile 00003 to C:\ORACLE\ORADATA\ORCL\UNDOTBS01.DBF
  channel ORA_DISK_1: restoring datafile 00004 to C:\ORACLE\ORADATA\ORCL\USERS01.DBF
  channel ORA_DISK_1: restoring datafile 00005 to C:\ORACLE\ORADATA\ORCL\EXAMPLE01.DBF
  channel ORA_DISK_1: restoring datafile 00006 to C:\ORACLE\ORADATA\ORCL\USERS02.DBF
  channel ORA_DISK_1: reading from backup piece C:\ORACLE\FLASH_RECOVERY_AREA\ORCL\BACKUPSET\2012_02_21\O1_MF_NNNDF_TAG20120221T132643_7N6MKWPX_.BKP
  channel ORA_DISK_1: piece handle=C:\ORACLE\FLASH_RECOVERY_AREA\ORCL\BACKUPSET\2012_02_21\O1_MF_NNNDF_TAG20120221T132643_7N6MKWPX_.BKP tag=TAG20120221T132643
  channel ORA_DISK_1: restored backup piece 1
  channel ORA_DISK_1: restore complete, elapsed time: 00:00:56
  Finished restore at 21-FEB-12
  
  R recover database;
  
  Starting recover at 21-FEB-12
  using channel ORA_DISK_1
  
  starting media recovery
  
  archived log for thread 1 with sequence 18 is already on disk as file C:\ORACLE\FLASH_RECOVERY_AREA\ORCL\ARCHIVELOG\2012_02_21\O1_MF_1_18_7N6MQBWS_.ARC
  archived log for thread 1 with sequence 19 is already on disk as file C:\ORACLE\FLASH_RECOVERY_AREA\ORCL\ARCHIVELOG\2012_02_21\O1_MF_1_19_7N6NXV4M_.ARC
  archived log file name=C:\ORACLE\FLASH_RECOVERY_AREA\ORCL\ARCHIVELOG\2012_02_21\O1_MF_1_18_7N6MQBWS_.ARC thread=1 sequence=18
  creating datafile file number=7 name=C:\ORACLE\ORADATA\ORCL\USERS03.DBF
  archived log file name=C:\ORACLE\FLASH_RECOVERY_AREA\ORCL\ARCHIVELOG\2012_02_21\O1_MF_1_18_7N6MQBWS_.ARC thread=1 sequence=18
  archived log file name=C:\ORACLE\FLASH_RECOVERY_AREA\ORCL\ARCHIVELOG\2012_02_21\O1_MF_1_19_7N6NXV4M_.ARC thread=1 sequence=19
  unable to find archived log
  archived log thread=1 sequence=20
  RMAN-00571: ===========================================================
  RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
  RMAN-00571: ===========================================================
  RMAN-03002: failure of recover command at 02/21/2012 13:54:04
  RMAN-06054: media recovery requesting unknown archived log for thread 1 with sequence 20 and starting SCN of 1226889
  
  RMAN> sql 'alter database open resetlogs';
  
  sql statement: alter database open resetlogs
  
  RMAN> exit
  
  Recovery Manager complete.
  
  C:\Users\bn2676>sqlplus / as sysdba
  
  SQL*Plus: Release 11.2.0.1.0 Production on Tue Feb 21 13:54:42 2012
  
  Copyright (c) 1982, 2010, Oracle.  All rights reserved.
  
  Connected to:
  Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production
  With the Partitioning, OLAP, Data Mining and Real Application Testing options
  
  SQL> select file_name from dba_data_files where tablespace_name='USERS';
  
  FILE_NAME
  --------------------------------------------------------------------------------
  C:\ORACLE\ORADATA\ORCL\USERS01.DBF
  C:\ORACLE\ORADATA\ORCL\USERS02.DBF
  C:\ORACLE\ORADATA\ORCL\USERS03.DBF
  
  SQL>
  

• Creating a new controlfile with RMAN backup data files

  Hello
  
  I use oracle 10g (10.2.0.1) in RHEL5 server. I am trying to restore a RMAN backup from one server to another server again with the new name of the comic. I took on the RMAN backup spfile and created her pfile and edited the file pfile with new dbname and directory structure and launched the db in nomount with new pfile. Today I restored the backup controfile RMAN has tried to put the database in State of Mount. But it failed due to the error below
  
  RMAN-03002: failure of alter db command at 21:44:56 05/11/2012
  ORA-01103: name "ORADB" in the control of the database file is not 'DEVDB '.
  
  So I stop the database and started the db in nomount with new pfile and tried to create the controlfile with new db name, but he didn't like it is looking for the data files.
  
  ORA-01503: CREATE CONTROLFILE failed
  ORA-01565: error in file identification
  ' / u01/app/oracle/oradata/DEVDB/datafile/o1_mf_system_80jq0kfw_.dbf'
  ORA-27037: unable to get file status
  Linux error: 2: no such file or directory
  Additional information: 3
  
  All my data files in my RMAN backup. How to get the data files of RMAN backup in the above scenario?
  
  Kind regards
  007

  restaurer restore as ORADB, then rename the database with DBNEWID
  http://docs.Oracle.com/CD/B19306_01/server.102/b14215/dbnewid.htm

  or use duplicate instead of restore

• Tablespace with a data file name in double and the directory added

  Version Oracle 11.1.0.7
  AIX platform
  
  I have exactly the same directory for the tablespace even a tablespace with 2 files with exactly the same name.
  
  I don't think it was possible for Oracle create two data files in the same directory with exactly the same data file for a tablespace name.
  
  The difference between the two seems to be the sizes - one is 10G, the other is 10 m autoextend on but with maximum size is equal to the size of create.
  
  It is not possible to table either both are full.
  
  Please notify.
  
  Thank you.

  You have a character that is hidden in the name of the file. Use ls for your operating system which shows the special characters (ls - lb or something, man ls).

• Difference between redo logfiles, Undo Tablespace, Archive log data file

  Can some please highlight the difference between Undo and Redo Logs
  Also why we need to separate the archive logs when the recovery log data can be written directly in data files...
  
  Help you will be highly appreciated...

  Hello

  Ed gave you a very good answer.

  Rememeber database files are online and they are written to by DBWR process. So we have the database files, redo log files and archive logs.
  In order to avoid all the crawl log when you perform a recovery, database performs control points that summarize the State of the database. This operation of control point provides a shortcut to the recovery. At the checkpoint, the database knows that all incorrect pages were written to disk (for example, database files). At the time of recovery, the log (which includes-finished and unfinished transactions) is used to bring the database to a consistent state. The system locates the time of the last checkpoint and returned to this position in the log file. Then he restores forward all completed transactions (read committed) that occurred after the last checkpoint and rolls back all transactions that were not committed, but that began before the last checkpoint. This is where online log files are used.

  Now imagine that you need to back up your database GB 100 + all 10 minutes. It would be a waste of space! So you take a backup of your database at time t and backups of archiver process redo logs periodically to check the newspapers so that redo log files can be replaced and RMAN will use the last backup and archive the log files to recover your database at the time.

  Now, I mentioned the checkpoint process. The Checkpoint process regularly launches a control point that uses DBWR to rewrite all the blocks Sales in the data files, so synchronize the database. Imagine one dam is running and have exhausted all the redo log files. At this point, Oracle will wait until all Sales already queued blocks have been written to the buffer on disk (database files) foremost him redo log files can be considered as superfluous and available for re-use (i.e. can be overwritten). This will result in the following message in the alert.log:

  Thread 1 advanced to log sequence 17973
    Current log# 3 seq# 17973 mem# 0: /oracle/data/HAM1/log3aHAM1.dbf
    Current log# 3 seq# 17973 mem# 1: /oracle/data/HAM1/log3bHAM1.dbf
  Thread 1 cannot allocate new log, sequence 17974
  Checkpoint not complete
    Current log# 3 seq# 17973 mem# 0: /oracle/data/HAM1/log3aHAM1.dbf
    Current log# 3 seq# 17973 mem# 1: /oracle/data/HAM1/log3bHAM1.dbf
  Thread 1 advanced to log sequence 17974
  

  I am sure you have done the following:

  alter database mount;
  
  Database altered.
  

  When you mount a database, Oracle combines the instance started the database. Oracle control files are opened and read. However, no checking such as the restore/recovery is performed

  alter database open;
  
  Database altered.
  

  An open command opens the data files, recovery logs, it performs automatic and consistency of database recovery. At this point, the database is now ready to be used by all valid users.

  HTH,

  Mich

  Published by: Mich Talebzadeh on November 19, 2011 16:57

• create tablespace with existing data file

  Dear Sir.
  We can create tablespace with an existing data file so I can use the tables and objects already exist in the data file?
  
  Kind regards

  Read about "transportable tablespace" and see if this is what you need.

• IMac WITH TIME MACHINE WE BACKUP DATA FILES (MS Money) VMF

  Anyone know how to make a backup of the files to merge with Time Machine data?  I'm just using a virtual machine, no Boot Camp.  OS is XP running Microsoft Money and wish for these data files will be saved, as they automatically on Time Machine backup.  I tried to reset the backup to the shared folder destination, but then could not find it in the shared folder.

  Thank you

  ANNUAL GENERAL MEETING

  It is stored in the file package VM, with everything else. So I think you're wondering if you can save the snapshot itself, without having to save the rest of the files for this virtual machine. The answer is probably not "easily", although I'm sure that others with more experience can give you a more detailed answer.

  The long and short if this is probably: If all you want to do, on a regular basis, save the files that are inside the virtual machine that have been changed (for example Money files), you must store them outside of the virtual machine (usually on a shared folder). But make sure you back up the virtual machine itself at least once, and probably whenever you install something again. But of course it depends on how paranoid, you will lose your hard drive (and paranoia is not always a bad thing, aty least in this case).

  Dan

• extract the rman backup data file

  Hello
  I want to search when logical corruption occurs in my database, so I want to extract my rman backup and test a file with db_verify.
  But I don't want to recover the database. How to extract a file without recovery and destroing database work?
  
  thnx
  Podkov

  You must perform the RESTORE in an auxiliary instance - preferably on another server.

  Note: If you do it on the same server, make sure that
  a. you do not connect to the same database instance
  b. you set NEWNAME so that the data file is extracted to a different location

• The UNDO tablespace and its data file cannot be removed

  I would like to delete an UNDO tablespace after you have created a new, but can't. I could follow a large number of instructions TOM and others, but tablepspace is still listed in the State to RECOVER. Please see what I've done below. Your help will be appreciated.
  

  SQL > drop tablespace UNDOTBS2;
  Drop tablespace UNDOTBS2
  *
  ERROR on line 1:
  ORA-01548: active rollback segment "_SYSSMU29_1272378969$" found, terminate
  drop the tablespace

  SQL > drop rollback segment "_SYSSMU29_1272378969$";
  Drop rollback segment "_SYSSMU29_1272378969$".
  *
  ERROR on line 1:
  ORA-30025: DROP segment ' _SYSSMU29_1272378969$ ' (in the undo tablespace) not
  permit

  Have you tried that
  http://arjudba.blogspot.com/2008/08/ora-01548-active-rollback-segment.html

• CAN I RECOVER DELETED DATA FILE AND ITS TABLESPACE BY USING FLASHBACK DATABASE

  Hello!
  
  I CREATED THE TABLESPACE WITH ITS DATA FILE.
  
  SQL > create tablespace usmantbs datafile 'E:\oracle\product\10.2.0\oradata\orcl\usman.dbf' recording petit_fichier the size of 10 M extent management local segment space management auto;
  
  THEN, I CREATED A USER AND HIM ENTRUST THIS TABLESPACE.
  
  SQL > create default profil_utilisateur identified by Neil Leal Microsoft account unlock default tablespace usmantbs;
  SQL > grant connect, resources for Neil;
  
  I CONNECTED WITH Neil as USER AND CREATED a TABLE.
  
  SQL > conn Leal/Leal
  SQL > create table baseball (id number (9));
  
  SQL > select current_scn from v$ database;
  
  CURRENT_SCN
  ---------------------
  545863
  
  Then I deleted the tablespace including contents and data files...
  
  SQL > drop tablespace usmantbs including content and data files;
  
  I have no backup of this data file, but my database is in archive log...
  
  So I can... .flashback database to the SNA 545863 as it was before the fall... to get back my along its tablespace data file
  Wil I get my datafile back or not? Help, please...

  You can test it by yourself easily :) You will not be able to open your database
  After getting the error, just rename this data file and flashback again. Then open your database

  C:\Documents and Settings\Administrator>sqlplus "/as sysdba"
  
  SQL*Plus: Release 10.2.0.1.0 - Production on Sat Aug 1 14:20:34 2009
  
  Copyright (c) 1982, 2005, Oracle.  All rights reserved.
  
  Connected to:
  Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
  With the Partitioning, OLAP and Data Mining options
  
  SQL> shutdown immediate
  Database closed.
  Database dismounted.
  ORACLE instance shut down.
  SQL> startup mount
  ORACLE instance started.
  
  Total System Global Area  293601280 bytes
  Fixed Size                  1248624 bytes
  Variable Size              96469648 bytes
  Database Buffers          192937984 bytes
  Redo Buffers                2945024 bytes
  Database mounted.
  
  SQL> alter database archivelog;
  
  Database altered.
  
  SQL> alter database flashback on;
  
  Database altered.
  
  SQL> alter database open;
  
  Database altered.
  
  SQL> create tablespace tb datafile 'c:\tb.df' size 1m;
  
  Tablespace created.
  
  SQL> create user tb identified by tb;
  
  User created.
  
  SQL> grant dba to tb;
  
  Grant succeeded.
  
  SQL> alter user tb default tablespace tb;
  
  User altered.
  
  SQL> create table tb (id number);
  
  Table created.
  
  SQL> select current_scn from v$database;
  
  CURRENT_SCN
  -----------
       547292
  
  SQL> drop tablespace tb including contents and datafiles;
  
  Tablespace dropped.
  
  SQL> shutdown immediate
  Database closed.
  Database dismounted.
  ORACLE instance shut down.
  SQL> startup mount
  ORACLE instance started.
  
  Total System Global Area  293601280 bytes
  Fixed Size                  1248624 bytes
  Variable Size              96469648 bytes
  Database Buffers          192937984 bytes
  Redo Buffers                2945024 bytes
  Database mounted.
  
  SQL> flashback database to scn 547292;
  flashback database to scn 547292
  *
  ERROR at line 1:
  ORA-38795: warning: FLASHBACK succeeded but OPEN RESETLOGS would get error
  below
  ORA-01245: offline file 5 will be lost if RESETLOGS is done
  ORA-01111: name for data file 5 is unknown - rename to correct file
  ORA-01110: data file 5: 'C:\ORACLE\PRODUCT\10.2.0\DB_1\DATABASE\UNNAMED00005'
  
  SQL> alter database open resetlogs;
  alter database open resetlogs
  *
  ERROR at line 1:
  ORA-01245: offline file 5 will be lost if RESETLOGS is done
  ORA-01111: name for data file 5 is unknown - rename to correct file
  ORA-01110: data file 5: 'C:\ORACLE\PRODUCT\10.2.0\DB_1\DATABASE\UNNAMED00005'
  
  SQL> select name from v$datafile;
  
  NAME
  --------------------------------------------------------------------------------
  
  C:\ORACLE\PRODUCT\10.2.0\ORADATA\TEST1\SYSTEM01.DBF
  C:\ORACLE\PRODUCT\10.2.0\ORADATA\TEST1\UNDOTBS01.DBF
  C:\ORACLE\PRODUCT\10.2.0\ORADATA\TEST1\SYSAUX01.DBF
  C:\ORACLE\PRODUCT\10.2.0\ORADATA\TEST1\USERS01.DBF
  C:\ORACLE\PRODUCT\10.2.0\DB_1\DATABASE\UNNAMED00005
  
  SQL> alter database create datafile 'C:\ORACLE\PRODUCT\10.2.0\DB_1\DATABASE\UNNAMED00005' as 'c:\tb.dbf';
  
  Database altered.
  
  SQL> flashback database to scn 547292;
  
  Flashback complete.
  
  SQL> alter database open resetlogs;
  
  Database altered.
  
  SQL>
  
  SQL> select * from tb;
  
  no rows selected
  
  SQL> select name from v$datafile;
  
  NAME
  --------------------------------------------------------------------------------
  
  C:\ORACLE\PRODUCT\10.2.0\ORADATA\TEST1\SYSTEM01.DBF
  C:\ORACLE\PRODUCT\10.2.0\ORADATA\TEST1\UNDOTBS01.DBF
  C:\ORACLE\PRODUCT\10.2.0\ORADATA\TEST1\SYSAUX01.DBF
  C:\ORACLE\PRODUCT\10.2.0\ORADATA\TEST1\USERS01.DBF
  C:\TB.DBF
  
  SQL> select name from v$tablespace;
  
  NAME
  ------------------------------
  SYSTEM
  UNDOTBS1
  SYSAUX
  USERS
  TEMP
  TB
  
  6 rows selected.
  
  SQL>
  

  - - - - - - - - - - - - - - - - - - - - -
  Kamran Agayev a. (10g OCP)
  http://kamranagayev.WordPress.com
  [Step by step installation Oracle Linux and automate the installation by using Shell Script | http://kamranagayev.wordpress.com/2009/05/01/step-by-step-installing-oracle-database-10g-release-2-on-linux-centos-and-automate-the-installation-using-linux-shell-script/]

  Published by: Kamran Agayev, a., July 27, 2009 14:38

• Users tablespace - data file is 24.5 GB, only 1.2 GB used - what should I do?

  Hi all
  
  In my database I have users tablespace and its data file is users01.dbf. File size is 24.5 GB, but the data used are of 1.2 GB. I got this information from OEM, see image below:
  https://picasaweb.Google.com/100555146235257804098/Oracle_a1#5759303022195932370
  
  How I can free unused space of 23GB?
  
  Just to let you know to my knowledge, I am a developer of report OBI.
  
  Thank you!

  >
  I executed the script sql on your link http://www.oracle-ckpt.com/how-to-shrink-datafiles-adjusting-hwm/

  It gives only 7 GB. If I can save only 7 GB so it will not help me. This is the maximum possible savings, you can do.

  Do you mean if I load 20 GB of data now in the post above, the database uses the current data file to increase the size of the file? Or it adds to the size of the file, that is to say 25 + 20 = 45 GB?

  It seems CanGrow is enabled for the USERS tablespace: CANGROW - YES

  If it uses the size of the file, then I can deal with the current structure. If we add to the file so I can't move forward.

  Your data file already occupied 23 GB, if you load another 20 GB of data. Of course, it can take another 20 GB, if all 23 GB already existing aid. Have you talked about the link that is mentioned by Sir Jonathan Lewis?

• Retrieve a data file from a backup on another server

  Hi all
  
  I usually take backup hot data files to a different like that server because I don't have enough space in the same server. I have
  
  SQL > alter tablespace XXXX begin backup;
  SCP/bu1/oradaTA/XXXXX/XXXXX host [email protected]: / db1dw/oradata/backup/dec2010/XXXX
  alter tablespace end OPS backup;
  
  If I want to recover the datafile can I normally do the drop offline from the data file and copy the backup data file that is located in differnet thorugh scp server and check the online data file? and the database is in archivelog mode, but I dislike abt log files. I just need to recover the data file as the last backup.
  or do we have to use all the controls recover datafile? If need to use everything recover datafile command go where it will recover the data file?
  
  I have not any backup or restore script, I just manually PCs from data files.
  
  Help please, thanks in advance...

  It is a ' user backups managed by "in the terminology of the Oracle.
  The database does not care how you copy (backup or restore) the data file from a backup location. So, you can use scp to copy the backup to the backup file.
  HOWEVER , you can recover only a datafile to the single point of the backup. Given that the rest of the database (i.e. all the other data files) have advanced further, you must RETRIEVE the DATA file and apply all ArchiveLogs since this backup of data file point to the current point (i.e. recovery would be until it again online that would apply automatically).
  Therefore, if you have had the "transactions" (e.g. deletions) against this tablespace, they will be replayed.

  Hemant K Collette

• Why does not define RMAN bkp merge data files and the archivelogs in a single bkp

  version: 11.2.0.3
  
  Why not RMAN backup data files (fusion) handset and the archivelogs in a single backupset?
  
  Published by: Y.Ramlet on April 15, 2013 07:15
  
  Changed the subject line to clarity

  What would be the advantage?

  ArchiveLogs must be independent of the specific database backups. ArchiveLogs can be used for the review (RECOVER) a database to a point in time beyond the backup database. Can I get L0 data backups once a week and backups of databases L1 on a daily basis with the ArchiveLogs daily. The ArchiveLogs should not be bound to the L0, or L1 backups but be useful to RECOVER the database to any point in time.

  Hemant K Collette

• How do the backup data?

  How to backup data files. I can't find the advice in the manual

  Hi, Conrad

  What operating system do you have? Windows XP Pro includes the Microsoft Backup utility as standard, while Windows XP Home Edition does not work, even if it is available on the installation CD.

  If you have a CD writer installed then'you can simply copy your data files on a CD-R/RW as a backup.

  You can also use an external USB disk as backup media.

  HTH