Which two statements are true when row archival management is enabled?
A.
The ORA_ARCHIVE_STATE column visibility is controlled by the ROW ARCHIVAL VISIBILITY session
parameter.
B.
The ORA_ARCHIVE_STATE column is updated manually or by a program that could reference activity
tracking columns, to indicate that a row is no longer considered active.
C.
The ROW ARCHIVAL VISIBILITY session parameter defaults to active rows only.
D.
The ORA_ARCHIVE_STATE column is visible if referenced in the select list of a query.
E.
The ORA_ARCHIVE_STATE column is updated automatically by the Oracle Server based on activity
tracking columns, to Indicate that a row is no longer considered active.
Explanation:
http://gavinsoorma.com/2013/08/oracle-12c-new-feature-in-database-archiving/