A、 You can use this feature to identify the committed versions of the rows， but not the uncommitted versions.

B、 You can use this feature to identify the versions of V$ views.

C、 You can use this feature to identify the inserts， deletes， and updates performed on a particular row but not the data definition language （DDL） operations performed on the table.

D、 You can use this feature for a table only if row movement is enabled for the table.

E、 You can use this feature to identify the versions of external and fixed tables.