SQL>
SQL> begin
2 sys.dbms_logmnr.start_logmnr( dictFileName => 'c:\miner_dictionary.dat' );
3 end;
4 /
begin
*
ERROR at line 1:
ORA-01292: no log file has been specified for the current LogMiner session
ORA-06512: at "SYS.DBMS_LOGMNR", line 58
ORA-06512: at line 2
SQL>