PL/SQL error - the highest level of program management

Hi all

http://download.Oracle.com/docs/CD/B10501_01/AppDev.920/a96624/07_errs.htm
You can avoid unhandled exceptions by coding an OTHERS handler at the topmost level of every PL/SQL program.
What is the highest level of the PL/SQL program?

Why reading old documents?
Are you still using version 9 of the database?
Why not read from:
http://www.Oracle.com/pls/db112/homepage

The APPELLANT (or INVOKER) should deal with unexpected errors as explained here: http://asktom.oracle.com/pls/apex/f?p=100:11:0:P11_QUESTION_ID:4684561825338

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