SQL> col file_name format a30
SQL> select file_name,file_id,tablespace_name from dba_data_files where file_id=37;
FILE_NAME FILE_ID TABLESPACE_NAME
------------------------------ ---------- ------------------------------
/oracle/oradata/TEMP03.DBF 37 APP_DATA
SQL> select file_name from dba_data_files where tablespace_name='APP_DATA';
FILE_NAME
------------------------------
+DATA/devrac/datafile/app_data
01.dbf
+DATA/devrac/datafile/app_data
02.dbf
+DATA/devrac/datafile/app_data
03.dbf
+DATA/devrac/datafile/app_data
04.dbf
FILE_NAME
------------------------------
/oracle/oradata/TEMP03.DB
ASMCMD> cp /oracle/oradata/TEMP03.DBF app_data05.dbf
copying /oracle/oradata/TEMP03.DBF -> +DATA/DEVRAC/DATAFILE/app_data05.dbf
SQL> alter database rename file '/oracle/oradata/TEMP03.DBF' to '+DATA/devrac/datafile/app_data05.dbf';
Database altered.
SQL> alter database open;