May i know that which of the following rules must be obeyed when calling a function in PL/SQL UPDATE or DELETE statements?
A. The function cannot perform a transaction on any other table except the one under transition.
B. The function should not query the table under transaction.
C. The function must return a scalar value all the time.
D. The function hould not have OUT and IN OUT parameters.
E. The function must be a deterministic function.