Generate Upper and Lowercase Alphanumeric Random String in Oracle

Question

How does one generate an upper and lowercase alphanumeric random string from oracle?

I have used select DBMS_RANDOM.STRING(\'x\', 10) from dual to generate

Answer 1

create or replace procedure r1
    is
    v_1 varchar2(1);
    v_2 varchar2(10);
    begin 
    for inner_c in 1..10
    loop
    select  substr('abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789',mod(abs(dbms_random.random), 62)+1, 1) into v_1 from dual;
    v_2 := v_2 || v_1;
    end loop;
    dbms_output.put_line(v_2);
    end;
    /