How do I remove duplicate item no and sum the Quantity, for example:
Table: Item Ledger Entry
Item no Posting Date Quantity(M3)
A 01/02/23 5
B 01/02/23 8
C 01/02/23 10
___________________________________________
A 02/02/23 7
B 02/02/23 5
C 02/02/23 3
___________________________________________
A 03/02/23 5
B 03/02/23 2
C 03/03/23 4
Result :total A- 17(M3),
B- 15(M3)
C- 17(M3)