Merging data without primary key

hiii,
I have 2 internal tables "it_final1" and "It_final_new" and i want to join both tables.
both have same fields like BUKRS,GJAHR,SAKNR.
for IT_FINAL1 i am using "BAPI_GL_GETGLACCPERIODBALANCES" FM to get data.
now i need to merge this.
Please explain ...
i am using below logic for that.
LOOP AT IT_FINAL_NEW .
IF sy-SUBRC = 0.
MOVE-CORRESPONDING IT_FINAL_NEW to IT_FINAL_DIS.
ENDIF.
read table it_final1 with key bukrs = it_final_new-bukrs
gjahr = it_final_new-gjahr.
move-corresponding it_final1 to it_final_dis.
APPEND IT_FINAL_DIS.
ENDLOOP.

Hi,
Please try the following,
*Looping at final_new which has all fields except gjahr
LOOP AT IT_FINAL_NEW .
*move wa to destination wa
MOVE-CORRESPONDING IT_FINAL_NEW to IT_FINAL_DIS.
*read internal table having balance value using common field
READ TABLE IT_FINAL1 WITH KEY BUKRS = IT_FINAL_NEW-BUKRS INTO WA.
if sy-subrc = 0.
*assign balance value to final destination balance field
IT_FINAL_DIS-balance = wa-balance.
*append the it
APPEND IT_FINAL_DIS.
*now u got the values from 2 internal tables
endif.
ENDLOOP.
Hope this solves your problem.
Regards,
Meera

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