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  Oracle Tips by Burleson

Chapter 6 Oracle Encryption

will get a number beginning with zero, or in effect, a two digit number. Selecting the first three numbers from the random number will never yield a two-digit number.



--   Copyright © 2003 by Rampant TechPress Inc.
--   Free for non-commercial use.
--   For commercial licensing, e-mail
-- *********************************************

create or replace function get_key_8i
return varchar2
    filled    boolean;
    int_num   number(14);
    v_key     varchar2(24);
    counter   number := 0;
        exit when filled;
        int_num := to_number(substr(to_char
        if int_num between 33 and 125 then
             counter := counter + 1;
             if counter = 24 then
                 filled := true;
             end if;
             v_key := v_key ||chr(int_num);
        end if;

The above text is an excerpt from:

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