SQL

Two possible submissions:

1) SQL:

select 'Hello World'; from dual;

2)Oracle PL/SQL stored procedure:

create or replace procedure hello_world
begin
  dbms_output.put_line('Hello World');
end;

submitted by: Jim Schnell

Here's another stab at it....

CREATE TABLE HELLO (HELLO CHAR(12))
UPDATE HELLO
      SET HELLO = 'HELLO WORLD!'
SELECT * FROM HELLO

submitted by: Andreas J. Siivonen