REPORT  Z07_005.

TYPES: BEGIN OF line,
                col1 TYPE I,
                col2 TYPE I,
        END OF line.

DATA itab TYPE HASHED TABLE OF line WITH UNIQUE KEY col1.
* Work Area 생성
DATA  wa LIKE LINE OF itab.

DO 4 TIMES.
        wa-col1 = sy-Index.
        wa-col2 = sy-Index ** 2.
        INSERT wa INTO TABLE itab.
ENDDO.

wa-col1 = 2.
READ TABLE itab FROM wa INTO wa.
wa-col2 = 100.

MODIFY TABLE itab FROM wa.
wa-col1 = 4.

DELETE TABLE itab FROM wa.
LOOP AT itab INTO wa.
        WRITE: / wa-col1, wa-col2.
ENDLOOP.