Oracle: Change datafile names

1. Using below statement to generate script to change datafile names in database

SQL> select 'alter database rename file ''' || file_name || '''' || ' to ' || '''' || SUBSTR(file_name, 1,19) || 'pfr' || SUBSTR(file_name, 24) || ''';' from dba_data_files where file_name like '%KEYWORD%' order by file_name;

and export the result into renDBfiles.sql

2. Using below statement to generate shell script to rename data files at system level

SQL> select 'mv ' || file_name || ' ' || SUBSTR(file_name, 1,19) || 'pfr' || SUBSTR(file_name, 24) from dba_data_files where file_name like '%KEYWORD%' order by file_name;


and export the result into renSysfiles.sh

3. Shutdown Database
SQL> shutdown immediate;

4. Rename data files at system level
$ ./renSysfiles.sh

5. Rename the data files at mount stage (database is not open)
SQL> startup mount;

6. Rename date files at database level
SQL> @renDBfiles.sql

7. Startup database
SQL> startup