1 When a program unit refers to other database objects, it has considered dependent on that object. If the referenced object is modified, the dependent object's status changes to INVALID, indicating it must be recompiled. Is it always a developers responsibility to confirm the VALIDITY of the PL/SQL objects or should it be left to Oracle PL/SQL engine to validate the objects automatically? Provide an example to support your view.

2.Outline the importance of reporting to an organization.

Discuss the rational for the use of reports in an organization.

Provide justified rational for the use of reporting in an organization.