Which three statements are true regarding views? (Choose three.)
A.
Views can be created only from tables.
B.
Views can be created from tables or other views.
C.
Only simple views can use indexes existing on the underlying tables.
D.
Both simple and complex views can use indexes existing on the underlying tables.
E.
Complex views can be created only on multiple tables that exist in the same schema.
F.
Complex views can be created on multiple tables that exist in the same or different schemas.
We can create Index for only table or cluster know. But here
A. Views can be created from tables or other views.
Is B & D are right.
B & D & F in my view 🙂