Database views are not used to:

A.
Implement referential integrity.

B.
Implement least privilege.

C.
To implement content-dependent access restrictions.

D.
Implement need-to-know.

Explanation:
A View is a display of one or more table shows that shows the table data. You can even retrieve part
of the table and display the same to the user. Before a user is able to use a view, they must have
both, permission on the view and all dependent objects. Views can also be used to implement
security, for example you can create a view that only shows 3 of 5 columns contained in a table.
Views are not used to provide integrity you can use constraints, rule or other components of
database systems.