getting duplicate from a select statement.

SELECT DISTINCT AFKO_{AUFNR AFKO}PLNBEZ AFKO_{GAMNG AFKO}GLTRP

MARA_{BISMT VBAK}AUDAT VBAP~KWMENG

VBEP~MBDAT

INTO CORRESPONDING FIELDS OF ITAB

FROM AFKO

INNER JOIN MARA ON MARA_{MATNR = AFKO}PLNBEZ

INNER JOIN VBAP ON VBAP_{MATNR = MARA}MATNR

INNER JOIN VBAK ON VBAK_{VBELN = VBAP}VBELN

INNER JOIN VBEP ON VBEP_{VBELN = VBAP}VBELN

INNER JOIN VBUK ON VBUK_{VBELN = VBAP}VBELN

• WHERE AFKO_{AUFNR IN S_AUFNR and tmp_date = VBAK}AUDAT.

WHERE AFKO_{AUFNR IN S_AUFNR and AFKO}GLTRP = VBAK~AUDAT

AND VBAK_{AUDAT >= AFKO}AUFNR

AND VBUK~GBSTK = 'B'.

getting duplicate records how can i distinct it