REPORT  Z07_021      .
DATA: BEGIN OF connection,
        cityfrom TYPE Spfli-cityfrom,
        cityto TYPE Spfli-cityto,
        distid TYPE Spfli-distid,
        distance TYPE Spfli-distance,
END OF connection.

*DATA connection_tab LIKE STANDARD TABLE OF connection
*WITH KEY cityfrom cityto
*distid distance.

*DATA connection_tab LIKE SORTED TABLE OF connection
*WITH UNIQUE KEY cityfrom cityto
*distid distance.
*
DATA connection_tab LIKE HASHED TABLE OF connection
WITH UNIQUE KEY cityfrom cityto
distid distance.
SELECT cityfrom cityto distid distance
FROM spfli
INTO connection.
INSERT connection INTO TABLE connection_tab.
ENDSELECT.