Get the value of the user in plsql environment

Hi all

I am writing a program like below:

DECLARE

v_user VARCHAR2 (10);

v_pswd VARCHAR2 (4);

v_cardN VARCHAR2 (5);

v_authState BOOLEAN;

v_choice NUMBER;

BEGIN

DBMS_OUTPUT. Put_line ("Welcome to the Bank! Enter your 5-digit card number ");"

v_cardN: = '& Card_Number';

v_user: = "& username ';"

v_pswd: = "& PIN";

v_authState: = Authenticate_user (v_cardN, v_user, v_pswd);

IF this is v_authState THEN

DBMS_OUTPUT. Put_line ("failed authentication! Please re - enter your details).

GOTO end_line;

ON THE OTHER

DBMS_OUTPUT. Put_line (' authentication successful!) Welcome ' | v_user);

-ATM_Operation();

END IF;

DBMS_OUTPUT. Put_line (' what do you want to run');

DBMS_OUTPUT. PUT_LINE(' 1.) Balance inquiry '. CHR (10) | "2 remove ' | CHR (10) | "3 deposit '. CHR (10) | ("4 check last three Transactions ');

v_choice: = & choice;

< < end_line > >

NULL;

END;

/

Enter the value of card_number: 12347

Enter the user name: Himanshu

Enter the value for the PIN: 1234

Enter the value of the choice: 3

Welcome to the Bank! Enter your 5-digit card number

Authentication failed! Please enter your details

PL/SQL procedure successfully completed.

It's getting all values quoted with & < variable > got guest quickly even if requested subsequently.

What is my requirement is: I want the value that arises only when it is requested in order. As choice is requested only after successful authentication.

Have we not all features in plsql done for user input in this way.

Please let me know is there within language plsql or not? Or it is possible by taking help of coding code plsql with unix environment or java to achieve?

It's getting all values quoted with & got invites quickly even if requested subsequently.

Of course they are! SQL * more is a client tool. It will be:

1 parse the input

2. ask all THE required values

3 replace the values by the user entry in the code

4. present the code for execution

5. display the results.

The code runs on the server and the server has NO contact with the user.

What is my requirement is: I want the value that arises only when it is requested in order. As choice is requested only after successful authentication.

Then, you will need to write a client application that will ask at your leisure. Write a Java application to do and then use JDBC to send code or queries to the database.

Have we not all features in plsql done for user input in this way.

No - PL/SQL runs on the server. The server has NO contact or interaction with the user.

Tags: Database

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