V$LOGMNR_PARAMETERS contains log information.
| Column | Datatype | Description | 
|---|---|---|
START_DATE | 
DATE | 
Date to start the search | 
REQUIRED_START_DATE | 
DATE | 
Required date to start the search if DDL tracking is enabled | 
END_DATE | 
DATE | 
Date to end the search | 
START_SCN | 
NUMBER | 
System change number to start the search | 
REQUIRED_START_SCN | 
NUMBER | 
Required system change number to start the search if DDL tracking is enabled | 
END_SCN | 
NUMBER | 
System change number to end the search | 
OPTIONS | 
NUMBER | 
Options specified for the current LogMiner session | 
INFO | 
VARCHAR2(32) | 
This column is always null. | 
STATUS | 
NUMBER | 
This column is always 0. |