SELECT...FOR ALL ENTRIES IN <itab> WHERE <condition>

REPORT ZWYZTEST_FOR_MANGO.

DATA:GT_BSEG TYPE TABLE OF BSEG.
DATA:GT_BSIS TYPE TABLE OF BSIS.
DATA:GS_BSIS TYPE BSIS.

SELECT * FROM BSEG INTO CORRESPONDING FIELDS OF TABLE GT_BSEG UP TO 10 ROWS.

SELECT * FROM BSIS INTO CORRESPONDING FIELDS OF TABLE GT_BSIS  FOR ALL ENTRIES IN GT_BSEG
   WHERE BUKRS = GT_BSEG-BUKRS AND BELNR = GT_BSEG-BELNR AND GJAHR = GT_BSEG-GJAHR AND BUZEI = 
   GT_BSEG-BUZEI.

LOOP AT GT_BSIS INTO GS_BSIS.
   WRITE:/ GS_BSIS-BUKRS,GS_BSIS-BELNR,GS_BSIS-GJAHR,GS_BSIS-BUZEI.
ENDLOOP.