Definition: In Oracle, the USER_REPGROUPED_COLUMN dictionary view stores the information about the columns which build up or comprise the column groups for the tables which are owned by the current user. The structure of the view is shown below.
ONAME [VARCHAR2(30)] - Replicating object name
GROUP_NAME [VARCHAR2(30)] - Column group name
COLUMN_NAME [VARCHAR2(30)] - Column of the column group