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.