Skip to main content

HOW TO RENAME DATAFILE IN ORACLE 10G- LINUX



Here will see how to rename a data file name. Please follow below steps.


FILE_NAME TABLESPACE_NAME MAXBYTES/1024/1024/1024
-------------------------------------------------- -------------------- -----------------------
/data/ORA/tpde_02.dbf  TPDE 20
/data/ORA/tpde_01.dbf  TPDE 10
/data2/ORA/tpde_01.dbf  TPDE 30
/data3/ORA/tpde_03.dbf  TPDE 20

Above, the both data files names are same. But they are in diff locations. Now will try to rename the data file to any other name. Which is in /data2/ORA/tpde_01.dbf location

Login server & cd to the datafile location.

connect to the database.

SQL> select name from v$database;

NAME
---------------------------
TPDE

2. First put the tablespace in offline mode. like below

SQL> ALTER TABLESPACE TPDE OFFLINE NORMAL;

Tablespace altered.

3. Then go to data file location & try to mv the data file with new name. like below.

varthhammr.print.com@/data2/ORA/: mv tpde_01.dbf tpde_04.dbf

varthhammr.print.com@/data2/ORA/: sqlplus / as sysdba

SQL*Plus: Release 10.2.0.5.0 - Production on Tue Apr 7 23:01:50 2014

Copyright (c) 1982, 2010, Oracle.  All Rights Reserved.

Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options

SQL> select name from v$database;

NAME
---------------------------
TPDE

Update the database like below.

SQL> ALTER TABLESPACE TPDE RENAME DATAFILE '/data2/ORA/tpde_01.dbf' TO '/data2/ORA/tpde_04.dbf';

Tablespace altered.

SQL> ALTER TABLESPACE TPDE ONLINE;

Tablespace altered.

++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

- BEFORE -

FILE_NAME TABLESPACE_NAME MAXBYTES/1024/1024/1024
-------------------------------------------------- -------------------- -----------------------
/data/ORA/tpde_02.dbf  TPDE 20
/data/ORA/tpde_01.dbf  TPDE 10
/data2/ORA/tpde_01.dbf  TPDE 30
/data3/ORA/tpde_03.dbf  TPDE 20

++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

- AFTER CHANGING - 

new   1: select FILE_NAME,tablespace_name,maxbytes/1024/1024/1024 from dba_data_files where TABLESPACE_NAME='TPDE'

FILE_NAME TABLESPACE_NAME MAXBYTES/1024/1024/1024
-------------------------------------------------- -------------------- -----------------------
/data/ORA/tpde_02.dbf  TPDE 20
/data/ORA/tpde_01.dbf  TPDE 10
/data2/ORA/tpde_04.dbf  TPDE 30
/data3/ORA/tpde_03.dbf  TPDE 20

++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++


Thank You!

Labels

Labels:

Comments

Post a Comment

Popular posts from this blog

ORA-28007: THE PASSWORD CANNOT NE REUSED

             - Here will see how to deal with  => ORA-28007: the password cannot be reused -  I got a request from client user, stating his account has been locked. When I check the status of the account I found the below. connect to SYS user & execute the below query of that database. SQL> select password,username,account_status,profile from dba_users where username='TEST'; PASSWORD               USERNAME   ACCOUNT_STATUS                 PROFILE ------------------             ----------------  -------------------------------           -------------------- AB2Aa8AC9971521e3     TEST       EXPIRED(GRACE)&LOCKED    NONAPP_USERS So, then I have unlocked the account and checked the same again & I found the below results. ...
Post a Comment
Read more

Difference between AWR, ADDM and ASH reports

AWR: Automatic Workload Repository gathers, processes and maintains performance stats used for problem detection and self-tuning the databases. Different Components that uses AWR are: Automatic Database Diagnostic Monitor Undo Advisor SQL Tuning Advisor Segment Advisor Different types of AWR Reports for different purposes: For Single Instance Environment: @$ORACLE_HOME/rdbms/admin/awrrpt.sql For Oracle RAC Environment : @$ORACLE_HOME/rdbms/admin/awrgrpt.sql For a particular SQL Statement : @$ORACLE_HOME/rdbms/admin/awrsqrpt.sql For Comparing the reports : @$ORACLE_HOME/rdbms/admin/awrddrpt.sql ADDM: Automatic Database Diagnostic Monitoring Report analyzes the AWR data on a regular basis, to give you overview of the root cause of the problem which is affecting your database’s performance. It also provides suggestions or recommendations for rectifying any problem identified and lists the areas which are having no issues. ADDM recommends multiple solutions for the DBA to choose from which...
Post a Comment
Read more