Accessing a Global package variable Via Select

Question

Hi All,
I want to access a global variable i.e package global variable through a select query. Is this possible or not possible. Please share some inputs on this.
Thanks

Answer 1

Just to clarify that you can reference the global variable if your SQL is itself within PLSQL. It will be bound in.
CREATE OR REPLACE PACKAGE p1
AS
  my_global NUMBER := 1;
  FUNCTION f_get_my_global
  RETURN NUMBER;
  PROCEDURE p_do_something;
END;
CREATE OR REPLACE PACKAGE BODY p1
AS
  FUNCTION f_get_my_global
  RETURN NUMBER
  AS
  BEGIN
     RETURN my_global;
  END;
  PROCEDURE p_do_something
  AS
    l1 NUMBER;
  BEGIN
    SELECT /*+ find_me */
           my_global
    INTO   l1
    FROM   DUAL;
  END;
END;
SQL>  exec p1.p_do_something;
PL/SQL procedure successfully completed.
SQL> select sql_text from v$sql where sql_text like '%find_me%';
SQL_TEXT
SELECT /*+ find_me */ :B1 FROM DUAL
SQL>