REPORT  Z07_019.
DATA: BEGIN OF line,
                name(10) TYPE c,
                country(10) TYPE c,
                age      TYPE i,
        END OF line.

DATA itab LIKE SORTED TABLE OF line
                WITH NON-UNIQUE KEY name country.

line-name   = 'KIM'. line-country = 'KOREA'. line-age  = 25.
INSERT line INTO TABLE itab.

line-name   = 'LEE'. line-country = 'KOREA'. line-age  = 35.
INSERT line INTO TABLE itab.

LOOP AT itab INTO line.
        WRITE: / line-name, line-country, line-age.
ENDLOOP.