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DELIMITER // CREATE FUNCTION factorial(n INT) RETURNS INT BEGIN DECLARE result INT DEFAULT 1; DECLARE i INT; IF n < 0 THEN RETURN NULL; -- Факториал не определен для отрицательных чисел END IF; SET i = 1; WHILE i <= n DO SET result = result * i; SET i = i + 1; END WHILE; RETURN result; END // DELIMITER ; SELECT n, factorial(n) AS f FROM (SELECT 0 AS n UNION SELECT 1 UNION SELECT 2 UNION SELECT 3 UNION SELECT 4 UNION SELECT 5 UNION SELECT 6 UNION SELECT 7 UNION SELECT 8 UNION SELECT 9 UNION SELECT 10) AS numbers;

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