Using SSIS, How do I find the cities with the largest population?

Question

I have a dataflow task with information that looks something like this:

Province | City    | Population
-------------------------------
Ontario  | Toronto |          


        

Answer 1

Instead of using the Aggregate transformation, could you use a SQL query instead?

SELECT
    p.province,
    p.city,
    p.[population]
FROM
    temp_pop P
    JOIN ( SELECT
            province,
            [population] = MAX([POPULATION])
           FROM
            temp_pop
           GROUP BY
            province
         ) AS M ON p.province = M.province AND
                   p.[population] = M.[population]