REPORT  Z07_012                                                     .
* OLD METHOD 1
DATA: BEGIN OF tab_ekpo OCCURS 0,             "itab WITH HEADER LINE
        ebeln Type ekpo-ebeln,
        ebelp Type ekpo-ebelp,
END OF tab_ekpo.
* OLD MEHOTD 2
* 이미 존재하는 internal Table을 통해 동일한 타입으로 itab 생성
DATA: it_Datatab LIKE tab_ekpo OCCURS 0,      "old method
        wa_Datatab LIKE LINE OF tab_ekpo.
* Build internal Table and Work Area from existing internal Table,
* adding additional fields

*NEW METHOD 1       이 방법을 사용하라!!!
TYPES: BEGIN OF t_ekpo,
        ebeln Type ekpo-ebeln,
        ebelp Type ekpo-ebelp,
END OF t_ekpo.
DATA: it_ekpo TYPE STANDARD TABLE OF t_ekpo INITIAL SIZE 0,      "itab
        wa_ekpo Type t_ekpo.                    "Work Area (Header Line)
*NEW METHOD 2      이 방법을 사용하라!!!
* Include 구문을 이용한 Nested Structure 타입 선언
TYPES: BEGIN OF t_repdata.
        INCLUDE STRUCTURE tab_ekpo.  
TYPES: bukrs  Type ekpo-werks,
        bstyp  Type ekpo-bukrs.
TYPES: END OF t_repdata.
DATA: it_repdata TYPE STANDARD TABLE OF t_repdata INITIAL SIZE 0,
        wa_repdata Type t_repdata.