Q&A about the site for members of the workforce navigating the professional setting
DECLARE @transactions TABLE(transaction_id INT, customer_id INT, wallet_id INT, money_in INT, money_out INT); INSERT INTO @transactions VALUES (1, 1, 1, 10, 0), (2, 1, 1, 10, 0), (3, 1, 1, 0, 3), (4, 1, 2, 3, 0), (5, 1, 2, 0, 1), (6, 1, 2, 0, 3), (7, 1, 2, 0, 1), (8, 2, 3, 12, 0), (9, 2, 3, 5, 0), (10, 2, 3, 0, 9), (11, 2, 3, 0, 6), (12, 3, 4,100, 0), (13, 3, 4, 0, 40), (14, 3, 4, 0, 20), (15, 3, 4, 0, 40); --SELECT * from transactions; Select *, sum(money_in) over(Order by customer_id, wallet_id) as tot_in from @transactions