Select multiple columns from a table, but group by one

Question

The table name is \"OrderDetails\" and columns are given below:

OrderDetailID || ProductID || ProductName || OrderQuantity

I\'m trying to s

Answer 1

    WITH CTE_SUM AS (
      SELECT ProductID, Sum(OrderQuantity) AS TotalOrderQuantity 
      FROM OrderDetails GROUP BY ProductID
    )
    SELECT DISTINCT OrderDetails.ProductID, OrderDetails.ProductName, OrderDetails.OrderQuantity,CTE_SUM.TotalOrderQuantity 
    FROM 
    OrderDetails INNER JOIN CTE_SUM 
    ON OrderDetails.ProductID = CTE_SUM.ProductID

Please check if this works.