-database açık iken;

SQL>conn sys / as sysdba
sql>shutdown immediate;
sql>startup mount;
sql>alter database archivelog;
SQL>ALTER TABLESPACE test1 OFFLINE IMMEDIATE;

cmd -> rman target /

RMAN>RESTORE TABLESPACE test1;
RMAN>RECOVER TABLESPACE test1;

SQL>ALTER TABLESPACE test1 ONLINE;