How to rename and move a oracle system tablespace datafile. Using the rename to clause of the alter tablespace, you can rename a permanent or temporary tablespace. The system tablespace, temporary tablespaces and tablespaces used for rollback will require the database be in mount state. How to rename or move a datafile in oracle dbaclass. How to rename a data file of an oracle database or move it to a. How to rename or move datafiles and logfiles in oracle database.
This section describes the various ways to alter the size of a datafile, and contains the following topics. Please see the example below create a new test tablespace sql create tab. Data file has a different name and or is in a different location e. Apr 30, 2015 sql alter tablespace users rename to psapuser. Rman sql alter tablespace soe online remove the old datafiles. Oracle database does not have an easytouse interface and this is a major problem when you want to rename move a data file of tablespace. Aug 21, 2011 how to move a datafile from one location to another in oracle. In his post frits is offering two scenarios to do this action. Procedure for renaming and relocating datafiles in multiple tablespaces. How to move rename alter tablespace, datafile in oracle. Hi tom, could you please elaborate on your above statement. This will automatically extent that single datafile by 10g whenever more space is required. He is skilled with oracle technologies such as data guard, rman, rac, cloud control, and performance tuning. Apr 17, 2010 it is possible to move and or rename datafiles while the database is online provided the tablespace in which the files belong is a non system tablespace and does not contain any active rollback or temporary segments.
Oracle tablespace rename, datafile rename and resize scripts. System, temp, undo tablespaces cannot be make offline when the database is open. Oct, 2010 how to rename system datafile name is it possible. Sep 10, 2015 how to move or rename datafiles in oracle 11gr2 there are multiple ways to move or rename the data files in oracle 11g, oracle 12c has come with a wonderful feature where we can move the files being online. Mar 29, 2016 so in this post we are planning to change the database name from cdb2 to cdb3. Last week, i added a disk in the system, and by some reason by e drive containing oracl. Rename data files on data guard standby oracle database tips by donald burlesonjune 14, 2015 question. How to move, rename and relocate datafiles in oracle it tutorials. Jan 07, 2011 i am presuming that you have two datafiles of the same name, but they belong to two different tablesapaces. Now i want to rename itwhat are all the options i have i dont want to shutdown the databasethe database is running on oracle 9i on hp unix.
In this video i explain in detail how to change the datafile to a tablespace like. The database does not change the tablespace id so if this tablespace were, for example, the default tablespace for a user, then the renamed tablespace would show as the default tablespace. Moving a datafile from file system to asm oracle alejandro. In 12c and beyond, it is easy to rename a data file. Enabling and disabling automatic extension for a datafile. If you meant, relocating the datafile and yes, it is possible. During database running and in 247 environment, you should need to create new undo tablespace with new location of undo datafile. Remove the logfiles from the old location at the operating system level.
How to rename an unnamed datafile unnamed00004 to original. Now lets take users tablespace offline to rename the datafile using command alter tablespace users offline once tablespace is offline, copy omf users datafile user managed datafile inside the asm. How to rename or move a datafile in oracle 11180 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. There were certain techniques you could employ to minimize that downtime, but you couldnt remove it completely. Oct 01, 2014 let take users datafile for demonstration, we have one omf users datafile, size 8gb. How to rename an unnamed datafile unnamed00004 to original name in oracle 9i 10g 11g standby database. Using the rename to clause of the alter tablespace, you can. Online move datafile in oracle database 12c release 1 12.
How to move or rename datafiles in oracle 11gr2 there are multiple ways to move or rename the data files in oracle 11g, oracle 12c has come with a wonderful feature where we can move the files being online. Change the line containing the database name from create controlfile reuse database ora9 resetlogs noarchivelog. Oracle keeps track of the copied file and the old file and is dropping the old file during the alter database datafile rename action whereas the second scenario means you will have to do some afterwork in asmcmd since the original old file remains in place since in rman a copy and switch to is. This document will detail the steps to moverename a datafile using oracle 11g r2 on linux. For example, the following statement renames the users tablespace alter tablespace users rename to usersts. The rename or move place task has to be performed via the oracle sqlplus command line interface and the database administrator has to be very careful in executing the commands. Renaming a datafile by switching offline its tablespace requires four steps. If you are in 11g or previous version, you need to follow below steps to move or rename a datafile without shutting down the database. Modify and optionally rename the created trace file. Rename or relocate the datafiles using operating system command. I want to rename a data file on a data guard standby database.
Please find the steps to rename an unnamed datafile to original name in standby database. When you rename a tablespace the database updates all references to the tablespace name in the data dictionary, control file, and online datafile headers. Movingrenaming datafiles while the database is online. When you rename and relocate datafiles with these procedures, only the pointers to the datafiles, as recorded in the database control file, are changed. I installed oracle database 11gr2 on oracle solaris11 box using. Moving datafiles from file system to asm can be done in different ways, one of them using the rman copy command. 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. Oracle 12c includes an enhancement to the alter database command to allow datafiles to be moved online. Oct 20, 2014 there might be better ways to do it, though this is how i renamed a database when asked to do sohope it helps someone out. Oracle keeps track of the copied file and the old file and is dropping the old file during the alter database datafile rename.
Jan 30, 2017 managing tablespaces and datafiles in oracle 11g. Alter tablespace rename datafile to execute alter tablespace rename datafile and oracle will rename the. Tim hall has this procedure to rename an oracle database using. At times, to fix the space crunch in a filesystem or to follow the filesystem standards or proper naming conventions, a dba might have to move rename an oracle datafile. 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.
Renaming datafiles in oracle 11gr2 asm mathijs bruggink. Oraclebase online move datafile in oracle database 12c. Also see my notes on 12c move oracle data files online. I have to relocate a tablespace from a cooked datafile to a raw datafile say, from oradatabigtbsp01. One of the datafiles of a tablespace has been given the wrong name deviating the naming convention standards set by our organization. Rman copy datafile 3 to u03 oracle oradataorcldataundotbs01. Check where to build a new file system based tablespace. In oracle 9i we need to use exp imp utility to achive this goal. I am trying to clone our production database in test virtual machine. How to view information about oracle tablespaces and datafiles. Renaming datafile on standby database oracle dba tips and. Rman copy datafile 3 to u03oracleoradataorcldataundotbs01.
He is an oracle 11g certified master and was awarded the oracle ace director title from oracle. When moving any other tablespace i just offline it, move the files, rename the files online it. The following sqlplus output shows how this is done. First of all find out the old database location for which we are planning to change the name.
After creating this newer tablespace, you can switch older to newer undo tablespace online without affecting any ongoing transactions. Jun 06, 20 rename the datafile on primary and standby database. Mar 23, 2012 he started working with dbase and foxpr and has participated in several projects with foxpro and oracle database starting from oracle 7. Hi, i have a some datafiles belong to more than one tablespace in one file system and i want to rename the file system at the operating system level and then rename the corresponding datafiles.
Renaming datafile in asm save time by using rman nikhil kumar. Renaming an oracle database when using asm 12c xtivia. The db was created just to test few things, it is like a sandpit db. Rename or relocate of datafiles are possible in oracle database.
Procedures for renaming and relocating datafiles in a single tablespace. Bring the database to mount state and issue, alter database rename datafile to. How to relocatemove oracle datafiles in oracle 11g. Issue the alter database rename file command to rename the file within the oracle dictionary. How to rename tablespaces to a new name in oracle 9i 10g 11g. Antes do oracle database 12c, renomear ou mover datafiles sempre foi uma tarefa offline. To move a datafile, either take the tablespace it belongs to offline, or shut down the database and bring it back up into a mounted state.
Oracle is the worlds most flexible database and we have many methods for renaming tablespaces and the underlying data files. Jul 16, 20 in any case, up to oracle 11g, a maintenance window was required in order to play with datafiles. Rename the datafile on primary and standby database. How to rename or move a datafile in oracle dbaclass dbaclass. Personally i favor the first once since it holds less risk.
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