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CREATE TABLE Orders ( Date date, Amount int ); INSERT INTO Orders VALUES ('2023-01-02', 500), ('2023-01-02', 400), ('2023-01-05', 400); WITH Decade AS ( SELECT DATEADD(day, value-1, '2023-01-01') AS Date FROM GENERATE_SERIES(1, DATEDIFF(day, '2023-01-01', '2023-01-10') + 1) ) SELECT Decade.Date, COALESCE(SUM(Amount), 0) AS DailyAmount FROM Decade LEFT JOIN Orders ON Decade.Date = Orders.Date GROUP BY Decade.Date;
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