Which two actions does the script perform?

You upgrade your Oracle database in a multiprocessor environment. As a recommended
you execute the following script: Which two actions does the script perform?

A.
Parallel compilation of only the stored PL/SQL code

B.
Sequential recompilation of only the stored PL/SQL code

C.
Parallel recompilation of any stored PL/SQL code

D.
Sequential recompilation of any stored PL/SQL code

E.
Parallel recompilation of Java code

F.
Sequential recompilation of Java code

Explanation: