DBA_MVIEW_LOG_FILTER_COLS

DBA_MVIEW_LOG_FILTER_COLS lists all columns (excluding primary key columns) being logged in the materialized view logs.

Column	Datatype	NULL	Description
OWNER	VARCHAR2(30)	NOT NULL	Owner of the master table being logged
NAME	VARCHAR2(30)	NOT NULL	Name of the master table being logged
COLUMN_NAME	VARCHAR2(30)	NOT NULL	Column being logged

Oracle data dictionary views

Oracle dynamic performance views