Query v$logmnr_contents : logmnr_contents « System Tables Data Dictionary « Oracle PL/SQL Tutorial

1. Oracle PL/SQL Tutorial
2. System Tables Data Dictionary
3. logmnr_contents

SQL>
SQL> column sql_redo format a30
SQL> column sql_undo format a30
SQL> select scn, sql_redo, sql_undo from v$logmnr_contents
  2  /
select scn, sql_redo, sql_undo from v$logmnr_contents
                                    *
ERROR at line 1:
ORA-01306: dbms_logmnr.start_logmnr() must be invoked before selecting from v$logmnr_contents