However, it also removes the corresponding entry from the
C<book_authors> table. Note that C<delete_all> was used instead of
C<delete>: whereas C<delete_all> also removes the join table entries in
-C<book_authors>, C<delete> does not.
+C<book_authors>, C<delete> does not (only use C<delete_all> if you
+really need the cascading deletes... otherwise you are wasting resources).
Then, rather than forwarding to a "delete done" page as we did with the
earlier create example, it simply sets the C<status_msg> to display a