update table

 https://www.youtube.com/watch?v=e6dYegIUn6k

PROGRAM ZDXC_EMP_UPDATE.

data: it_emp TYPE STANDARD TABLE OF zscarr,
      wa_emp type scarr.

*&---------------------------------------------------------------------*
*& Module STATUS_0100 OUTPUT
*&---------------------------------------------------------------------*
*&
*&---------------------------------------------------------------------*
MODULE status_0100 OUTPUT.
* SET PF-STATUS 'xxxxxxxx'.
* SET TITLEBAR 'xxx'.
ENDMODULE.
*&---------------------------------------------------------------------*
*&      Module  USER_COMMAND_0100  INPUT
*&---------------------------------------------------------------------*
*       text
*----------------------------------------------------------------------*
MODULE user_command_0100 INPUT.
  case sy-ucomm.
    when 'SAVE'.
      insert into zscarr values wa_emp.
    when 'REF'.
      clear wa_emp.
      when 'EXIT'.
      leave program.
      endcase.
ENDMODULE.