 CREATE OR REPLACE PACKAGE CST IS 
PONT CONSTANT VARCHAR2(40) := 'RAJ';
CDATE CONSTANT DATE := TO_DATE('15-DEC-2006');
END CST;
_______________________________________________________

DECLARE
 A VARCHAR2(40);
 B DATE;
 BEGIN
  A := CST.PONT|| 'ROYAL GOWD TO THIS :'
  B := CST.CDATE;
  dbms_output.put_line(A||B);
  END