Show profile picture in top right corner on menu bar in oracle apex

1.  Create a table with blob cloumn 

create table user_info 

(

 user_id varchar2(50),

 user_name varchar2(200),

 user_photo    blob,

 filename    varchar2(3000),

 mimetype    varchar2(3000),

 last_update    date ,

 wk_date    date  default  to_date(sysdate,'DD-MON-RR'),

 wk_time    varchar2(50)  default  to_char (sysdate,'HH24:MI:SS')

)

/

1.Create application item name > 'USER_ID',> Session State Protection > Unrestricted.
2.Create Application Processes > 'GETIMAGEFILE',> Process Point > Ajax Callback, > PL/SQL Code >
begin
for c1 in (select * from employee_information
                where USER_ID= :USER_ID) loop
        sys.htp.init;
      sys.owa_util.mime_header( c1.MIME_TYPE, FALSE );
      sys.htp.p('Content-length: ' || sys.dbms_lob.getlength( c1.PICTURE));
     sys.htp.p('Content-Disposition: attachment; filename="' || c1.FILENAME || '"' );
       sys.htp.p('Cache-Control: max-age=3600');  -- tell the browser to cache for one hour, adjust as necessary
      sys.owa_util.http_header_close;
      sys.wpg_docload.download_file( c1.PICTURE);
     apex_application.stop_apex_engine;
         end loop;
         end;
3.Create/Select navigation bar where you want to show image > User Defined Attributes 1.
<img style="width:25px;height:25px;border-radius:50%;cornflowerblue" src="f?p=&APP_ID.:0:&APP_SESSION.:APPLICATION_PROCESS=GETIMAGEFILE:::USER_ID:&APP_USER." alt=" ">