Oracle PL/SQL/PL SQL/Char to Number

Converting a character to an integer value

SQL>
SQL> -- Converting a character to an integer value.
SQL> DECLARE
  2        myString VARCHAR2(20) := "1997";
  3        myNumber NUMBER ;
  4  BEGIN
  5        myNumber := TO_Number(myString,"9999");
  6        DBMS_OUTPUT.PUT_LINE("The converted number is: " || myNumber);
  7        DBMS_OUTPUT.PUT_LINE("The converted number plus 10 is: " || (myNumber+10));
  8  END;
  9  /
The converted number is: 1997
The converted number plus 10 is: 2007
PL/SQL procedure successfully completed.
SQL>
SQL>