RECOVER CONTROLFILE

ALTER TABLESPACE tbs01 RENAME TO tbs02;

crosscheck archivelog all;
delete expired archivelog all;

delete noprompt expired archivelog all;

startup nomount

CREATE CONTROLFILE SET  DATABASE "ORCL" RESETLOGS  ARCHIVELOG
  2      MAXLOGFILES 16
  3      MAXLOGMEMBERS 3
  4      MAXDATAFILES 100
  5      MAXINSTANCES 8
  6      MAXLOGHISTORY 292
  7  LOGFILE
  8    GROUP 1 '/oracle/product/10.2.0/oradata/orcl/redo01.log'  SIZE 50M,
  9    GROUP 2 '/oracle/product/10.2.0/oradata/orcl/redo02.log'  SIZE 50M,
 10    GROUP 3 '/oracle/product/10.2.0/oradata/orcl/redo03.log'  SIZE 50M
 11  -- STANDBY LOGFILE
 12  DATAFILE
 13    '/oracle/product/10.2.0/oradata/orcl/system01.dbf',
 14    '/oracle/product/10.2.0/oradata/orcl/undotbs01.dbf',
 15    '/oracle/product/10.2.0/oradata/orcl/sysaux01.dbf',
 16    '/oracle/product/10.2.0/oradata/orcl/users01.dbf',
 17*   '/oracle/product/10.2.0/oradata/orcl/example01.dbf'
SQL> /

alter database open resetlogs;

############################################################
to change location using RMAN

run {
sql ' alter tablespace users offline';
set newname for datafile '/oracle/use1.dbf' to '/oracle/product/10.2.0/oradata/orcl/users01.dbf';
restore tablespace users;
switch datafile all;
recover tablespace users;
 }

                                     Oracle Managed Files location, you can use this
form of the command:
RUN {
    SET NEWNAME FOR DATAFILE 3 to NEW;
    RESTORE DATAFILE 3;
    SWITCH DATAFILE 3;
    RECOVER DATAFILE 3;
}