Which three statements are true regarding views? (Choose three.)
A.
Both simple and complex views can use indexes existing on the underlying tables.
B.
Complex views can be created on multiple tables that exist in the same or different
schemas.
C.
Only simple views can use indexes existing on the underlying tables.
D.
Views can be created from tables or other views.
E.
Views can be created only from tables.
F.
Complex views can be created only on multiple tables that exist in the same schema.