INFORMATIONAL gives Messages for conditions - PL/SQL Errors

Q.  Which PL/SQL warning categories gives Messages for conditions that do not have an effect on performance or correctness, but that you might want to change to make the code more maintainable, such as unreachable code that can never be executed?
- Published on 08 Jul 15

a. PERFORMANCE
b. SEVERE
c. INFORMATIONAL
d. All mentioned above

ANSWER: INFORMATIONAL

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