SQL> create controlfile set database TESTDBS
2 logfile group 1 ('/usr/oracle/oradata/dbs005/TESTDBS/redo01.log') size 100m, group 2 ('/usr/oracle/oradata/dbs005/TESTDBS/redo02.log') size 100m
datafile '/usr/oracle/oradata/dbs005/TESTDBS/data_clone_01.dbf' size 30m, '/usr/oracle/oradata/dbs005/TESTDBS/data_clone_02.dbf' size 50m
3 4 character set WE8MSWIN1252;
character set WE8MSWIN1252
*
ERROR at line 4:
ORA-01969: You must specify RESETLOGS or NORESETLOGS


can you help me? when to use alter resetlogs option?