V$LOGMNR_DICTIONARY

Columns
   ___________________________
 
   TIMESTAMP
   DB_ID
   DB_NAME
   FILENAME
   DICTIONARY_SCN
   RESET_SCN
   RESET_SCN_TIME
   ENABLED_THREAD_MAP
   INFO
   STATUS

Related:

 V$LOGMNR_CALLBACK 
 V$LOGMNR_CONTENTS 
 V$LOGMNR_LOGFILE 
 V$LOGMNR_LOGS 
 V$LOGMNR_PARAMETERS 
 V$LOGMNR_PROCESS 
 V$LOGMNR_REGION 
 V$LOGMNR_SESSION 
 V$LOGMNR_STATS 
 V$LOGMNR_TRANSACTION