password to re-defined, random question selection

I am currently editing a form that allows users to re - set their password should they forget it. Currently, they are required to answer a security question (they have already chosen and answered) in order to reset. NOW, they will have to meet one of the THREE questions that will be chosen randomly from those that they have answered previously (in a separate form, I just finished).

Question: Is there a built-in form that can perform this random selection of a table (e.g., security_table.question_1, security_table.question_2, security_table.question_3, etc.)?

Thanks in advance for your suggestions...

Mark,
There is not a built-in random number in forms, but you can use the DBMS_RANDOM package to generate a random number between and including the two values. With this random number, you can then select the question random your table. For example:

/* This will generate a random number between 1 and 3 - including 1 and 3 */
SELECT round(dbms_random.value(1, 3))
FROM dual;

One way to implement random selection would create a procedure with THE values for the question and answer database. For example:

CREATE or REPLACE PROCEDURE get_security_question_F (p_user_id IN VARCHAR2, p_question OUT VARCHAR2, p_answer OUT VARCAHR2) IS
   vQuery   VARCHAR2(1000);
   vQuestion  VARCHAR2(500);
   vAnswer   VARCHAR2(500);
   nRandom  NUMBER;
BEGIN
   BEGIN
      SELECT round(dbms_random.value(1,3))
         INTO nRandom
         FROM dual;
   END;
   vQuery := 'SELECT question_'||nRandom||', answer_'||nRandom||' FROM security_table WHERE user_id = :1';
  EXECUTE IMMEDIATE vQuery USING p_emp_id RETURNING INTO vQuestion, vAnswer;

EXCEPTION
   WHEN NO_DATA_FOUND THEN
   vQuestion := NULL;
   vAnswer := NULL;
END;

Now you can simply call the procedure of forms to get the security question and answer.

I hope this helps.
Craig...

-If my response or response from another is useful answers your question, please check the response accordingly. Thank you!

Tags: Oracle Development

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