This script demonstrates constants : Constant Number « PL SQL « Oracle PL / SQL






  1. Oracle PL / SQL
  2. PL SQL
  3. Constant Number

This script demonstrates constants

   
SQL>
SQL>
SQL> SET SERVEROUTPUT ON
SQL>
SQL>
SQL> DECLARE
  2      fnameValue CONSTANT VARCHAR2(50) := 'Ron';
  3   BEGIN
  4      fnameValue := 'AAA';
  5   EXCEPTION
  6      WHEN OTHERS
  7      THEN
  8         DBMS_OUTPUT.PUT_LINE(SQLERRM);
  9   END;
 10   /
    fnameValue := 'AAA';
    *
ERROR at line 4:
ORA-06550: line 4, column 5:
PLS-00363: expression 'FNAMEVALUE' cannot be used as an assignment target
ORA-06550: line 4, column 5:
PL/SQL: Statement ignored


SQL>








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