I think it can be done in a single query, but a three step operation that maybe is a little more understandable could look like this: 
create proc calculating_pop_summations_A
as
SELECT Sum_count = sum(Person_count), Sex, Aggregated_area
  INTO #tmp
  FROM Geo_postaggregated_pop_count
 GROUP BY Sex, Aggregated_area

update Geo_postaggregated_pop_count
   SET Sum_female_count = t.Sum_count
  FROM Geo_postaggregated_pop_count G
     , #tmp t
 WHERE G.Aggegated_area = t.Aggregated_area
   AND G.Sex = t.Sex
   AND G.Sex = 2

update Geo_postaggregated_pop_count
   SET Sum_male_count = t.Sum_count
  FROM Geo_postaggregated_pop_count G
     , #tmp t
 WHERE G.Aggegated_area = t.Aggregated_area
   AND G.Sex = t.Sex
   AND G.Sex = 1

[download]
Obviously untested, but I think this should produce the right results.

Michael

In reply to Re: Conversion to SPROC by mpeppler
in thread Conversion to SPROC by Anonymous Monk

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