Converting a Character to an Integer Value : CHAR Type Convert « PL SQL Data Types « Oracle PL/SQL Tutorial

1. Oracle PL/SQL Tutorial
2. PL SQL Data Types
3. CHAR Type Convert

SQL>
SQL>
SQL> set serveroutput on
SQL> set echo on
SQL>
SQL> DECLARE
  2       v_Convert_Number VARCHAR2(20) := '1999';
  3       v_Hold_Number NUMBER ;
  4  BEGIN
  5       v_Hold_Number := TO_Number(v_Convert_Number,'9999');
  6       DBMS_OUTPUT.PUT_LINE('The converted number is: ' || v_Hold_Number);
  7       DBMS_OUTPUT.PUT_LINE('The converted number plus 10 is: ' ||
  8                            (v_Hold_Number+10));
  9  END;
 10  /
The converted number is: 1999
The converted number plus 10 is: 2009

PL/SQL procedure successfully completed.