条件输入完后要将符合条件的资料筛选出来, 可配合使用 SELECT 指令
1.使用WHERE <条件式>
Example:
SELECT-OPTIONS AIRLINE FOR SPFLI-CONNID.
SELECT * FROM SPFLI WHERE CONNID IN AIRLINE.
WRITE: / CONNID,FROMCITY,TOCITY.
ENDSELECT.
2.使用CHECK参数
Example:
SELECT-OPTIONS AIRLINE FOR SPFLI-CONNID.
SELECT * FROM SPFLI.
CHECK AIRLINE.
WRITE: / CONNID,FROMCITY,TOCITY.
ENDSELECT.
3.使用 IF … IN 叙述
Example:
SELECT-OPTIONS AIRLINE FOR SPFLI-CONNID.
SELECT * FROM SPFLI.
IF SPFLI-CONNID IN AIRLINE.
WRITE: / CONNID,FROMCITY,TOCITY.
ENDIF
ENDSELECT.