How to create and Call Procedure

I experts,

I am facing the issue in creating the Procedure.

I have created a procedure as follows:

CREATE TYPE tt_mblnr AS TABLE( v_mblnr INTGER);

CREATE PROCEDURE demo_proc () LANGUAGE SQLSCRIPT READS SQL DATA AS

BEGIN

tt_mblnr = SELECT "MSEG"."SALK3" FROM "HANADBER5"."MSEG" ;

END;

When I execute above code in SQL Editor it works fine, but its giving me an error when I try to create same in PROCEDURE

and also could you please suggest me how see the output of the Procedure. I tried calling the Procedure in SQL editor as mentioned below but i am not getting any output.

CALL demo_proc() WITH OVERVIEW;

Thanks in advance

Regards,

Nagaraj