See Also: Oracle Database Concepts for more information on read-only tablespaces. ; Rename or/and move the datafiles at operating system level. Starting with Oracle 12.1, you can now use the command ALTER DATABASE MOVE DATAFILE in order to rename, relocate, or copy a datafile when the datafiles or the database are online. Use the ALTER DATABASE command to update the control file with the new file location(s) as follows. Dear Vijay, 1) Make tablespace offline 2) At Operating system level rename the datafile(MV command) 3) Rename datafile at Oracle level alter database rename file to ; (OR) alter tablespace rename datafile to ; 4) Make tablespace online ANd check it out the datafile location select file_name,tablespace… How to Rename or Move Datafiles and Logfiles. Consider scenario where I want to move SYSTEM and SYSAUX tablespace to new location. In this method, we need database downtime as we can’t take SYSTEM or SYSAUX tablespace offline. How to rename or move a datafile in oracle 12015 views Less than a minute 3 If you are in 12c version ,then renaming a datafile can be done online, without making the datafile offline. When you rename a in the primary database, the change won’t be reflected on standby database, even if the STANDBY_FILE_MANAGEMENT initialization parameter is set to AUTO. It can be used to add a new data file to, or to drop a data file … This statement is used with NDB and InnoDB tablespaces. This is traditional approach to move/rename SYSTEM, SYSAUX or users tablespace. Whereas the contents of the file remain valid, you need to define a new physical name or location for it. no recovery or anything like that. The following statement drops the empty data file: ALTER TABLESPACE tbs_03 DROP DATAFILE 'tbs_f04.dbf'; ; Shutdown the database instance with SHUTDOWN command. Another great new feature in tablespace management is rename tablespace. In the following example (see figure 3.2), you cannot transport a tablespace TBS01 from database A to database B in the previous release of Oracle server because database B also has a tablespace called TBS01. How to rename datafile in standby setup in 11g . In many situations, a datafile or logfile must be renamed inside Oracle. Completed: create tablespace ReadOnly_TBS datafile '+DATA' size 100M Sun Jan 26 09:30:34 2014 alter tablespace ReadOnly_TBS read only Converting block 0 to version 10 format Completed: alter tablespace ReadOnly_TBS read only Sun Jan 26 09:35:51 2014 alter tablespace readonly_tbs rename to … alter tablespace tbs_name offline; 2. rename the datafile at the OS level 3. alter tablespace tbs_name rename datafile 'old_file_name' to 'new_file_name'; 4. alter tablespace tbs_name online; Always provide complete filenames (including their paths) to properly identify the old and new datafiles. SQL> alter tablespace USERS rename to PSAPUSER; Renaming datafiles of a single offline tablespace: While the database is open, put the tablespace offline, rename the datafile at the operating system level, rename the datafile at the database level and finally take the tablespace online again.

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