description User-defined functions accept parameters, perform an action, such as a complex calculation, and return the result of that action as a value. A user-defined function is a [!INCLUDE tsql] ...
ALTER FUNCTION functest_C_1(int) IMMUTABLE; -- unrelated change, no effect ALTER FUNCTION functest_C_2(int) SECURITY INVOKER; ALTER FUNCTION functest_C_3(int) SECURITY DEFINER; ALTER FUNCTION functest ...