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正确
SELECT @(5)(CustomerID),
Country
FROM Customers
@(16);
SELECT COUNT(CustomerID),
Country
FROM Customers
GROUP BY Country;
不正确
点击 此处 重试 正确
下一题 ❯SELECTw3exercise_input_no_0(CustomerID), Country FROM Customersw3exercise_input_no_1; |