I have these tables in a database:
Agent(AgentPhon e*, AgentName)
Constituency(Co nstituencyNo*,C onstituencyName , RegionCode, ConstituencyDis trict)
Party(PartyCode *, PartyName)
PollingStation( StationNo*,Cons tituencyNo*,Reg ionCode, AgentPhone, StationName)
Region(RegionCo de, RegionName), and
VoteResults(Par ty*, ResultsCategory *, Votes, AgentPhone)
* Represents the fields that form the primary keys. Results Category are L and S (representing Parliamentary and Presidential results respectively).
My question is, is it possible to write a single query to return the following:
The constituency name, its region, sum of votes of a particular category for each party? I have tried variousl combinations and cannot get a query that does this.
Finally is a sub query contains an aggregate function with an alias, how do you call that result in the calling query? For example I want to show each constituency and the votes of a particular category accruing to it and I am using the aggregate SUM(Votes) AS TotalVotes. How do I refer to this result in the calling query?
Thanks for the help. Sorry is my question is too cumbersome.
ps: I am using this within ColdFusion
1  1211 
Kindly post what you have tried so far.
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