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SQL Scripts & Samples

Posted December 14, 2015

Generate Random Passwords

>>Script Language and Platform: Oracle-PL/SQL
Use this script to generate a random password.

Author: Renan Medeiros

create or replace function gera_passwd return varchar2 is passwd  varchar2(30);
passw1  varchar2(30);
passw2  varchar2(30);
passw3  varchar2(30);
passw4  varchar2(30);
zecond  number;
   select dbms_random.string('Z', 3),
          trunc(dbms_random.value(091, 999)),
          dbms_random.string('Z', 2),
          trunc(dbms_random.value(07, 87))
   into   passw1,
   from   dual;
   dbms_output.put_line('Password: '||passwd);
   zecond := to_number(to_char(sysdate,'ss'));
   if   zecond > 60
   then zecond := zecond - 60;
   end  if;
    if   zecond >= 0
   and  zecond < 16
   then passwd := passw1||passw2||passw3||passw4;
   elsif    zecond > 15
       and  zecond < 31
       then passwd := passw3||passw2||passw4||passw1;
       elsif    zecond > 30
           and  zecond < 46
           then passwd := passw3||passw1||passw4||passw2;
           else passwd := passw1||passw2||passw4||passw3;
   end  if;

Disclaimer: We hope that the information on these script pages is valuable to you. Your use of the information contained in these pages, however, is at your sole risk. All information on these pages is provided "as -is", without any warranty, whether express or implied, of its accuracy, completeness, or fitness for a particular purpose... Disclaimer Continued

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