Which of the following statements is true regarding updating the data of a VIEW?

a$)$ You cannot update the data in a view under any circumstance

b$)$ You can update the data in a view as long as the view is based on a single table and does not contain any functions, group by clauses, or join operations. Updates to views are automatically discarded.

c$)$ You can always update data in a view regardless of its complexity.

d$)$ You can only update data in a view if it is based on a single table.