Count of Clients in sales query

Hi
Using MS Access. I have a table, Sales_Income, which has 3 fields I wish to report on
  • Trans_Year
  • Client_Ref
  • Earnings

I'd like to get a row per year, So my query is as follows:
SELECT Sales_Income.Tran_Year, Count(Sales_Income.Client_Ref) AS CountOfClient_Ref, Sum(Sales_Income.Earnings) AS SumOfEarnings
FROM Sales_Income
GROUP BY Sales_Income.Tran_Year;

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However, the Count of ClientRef is actually giving me the number of transactions. For example, if there are 3000 transactions in a year,the count of client is showing 3000.
How do I get the count of Clients?
Thanks
LVL 1
jdhackettAsked:
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Dale FyeConnect With a Mentor Commented:
Since there were multiple GroupBy clauses, it would be nice to know where the error is occurring.

Start with:
SELECT Tran_Year, Client_Ref, PolRef , Sum(Earnings) as ClientPolicyEarnings
FROM Sales_Income
GROUP Tran_Year, Client_Ref, PolRef

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That should give you the earnings for each year, client, clientpolicy (PolRef). Then add the next piece:
SELECT T.Tran_Year, T.Client_Ref, Count(T.PolRef) as ClientPolicies, Sum(T.ClientPolicyEarnings) as ClientEarnings
FROM (
SELECT Tran_Year, Client_Ref, PolRef , Sum(Earnings) as ClientPolicyEarnings
FROM Sales_Income
GROUP Tran_Year, Client_Ref, PolRef
) as T
GROUP BY T.Tran_Year, T.Client_Ref 

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This should give you the number of policies for each Tran_Year, Client_Ref combination , with the number of policies per client per year, and the total client earnings for that year.  Finally, the full query:
SELECT T1.Tran_Year, Count(T1.Client_Ref) as Clients, Sum(T1.ClientPolicies) as TotPolicies,
SUM(T1.ClientEarnings) as TotEarnings
FROM (
SELECT T.Tran_Year, T.Client_Ref, Count(T.PolRef) as ClientPolicies, Sum(T.ClientPolicyEarnings) as ClientEarnings
FROM (
SELECT Tran_Year, Client_Ref, PolRef , Sum(Earnings) as ClientPolicyEarnings
FROM Sales_Income
GROUP Tran_Year, Client_Ref, PolRef
) as T
GROUP BY T.Tran_Year, T.Client_Ref
) as T1
GROUP BY T1.Tran_Year 

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Which should give you the Year, # of clients for the year, total number of client policies, and the total earnings for that year.
0
 
Dale FyeCommented:
SELECT T.Tran_Year, Count(T.Client_Ref) as Clients
FROM (
SELECT DISTINCT Tran_Year, Client_Ref
FROM Sales_Income
) as T
GROUP BY T.Tran_Year
0
 
Rgonzo1971Commented:
Hi,

pls try

select Tran_Year, Count(Client_Ref), Sum(Earnings) from (
SELECT Sales_Income.Tran_Year, SalesIncome.Client_Ref, Sum(SalesIncome.Earnings) AS Earnings FROM SalesIncome
GROUP BY SalesIncome.Tran_Year, SalesIncome.Client_Ref)
 group by Tran_Year;

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Regards
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jdhackettAuthor Commented:
Dale - that worked, but the Earnings are missing from the query.
Also, it turns out I need to add PolRef as well. Each client can have several policies, and I need a count of those as well.
I tried adding the Earnings as below, but now the Client Count is incorrect. And I can't figure out how to add PolRef!



SELECT T.Tran_Year, Sum(T.Earnings) AS SumEarnings, Count(T.Client_Ref) AS Clients
FROM (SELECT DISTINCT Tran_Year, Client_Ref, Earnings
 FROM Sales_Income
 )  AS T
GROUP BY T.Tran_Year;
0
 
Rgonzo1971Commented:
correct code
select T.Tran_Year, Count(T.Client_Ref), Sum(T.Earnings) from (
SELECT Sales_Income.Tran_Year, Sales_Income.Client_Ref, Sum(Sales_Income.Earnings) AS Earnings FROM Sales_Income
GROUP BY Sales_Income.Tran_Year, Sales_Income.Client_Ref) as T
GROUP BY T.Tran_Year;

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0
 
Dale FyeCommented:
So, how do you want to add the policies? Do you want a count of the number of policies per customer?

YOu might try:

SELECT T.Tran_Year, T.Client_Ref, Count(T.PolRef) as ClientPolicies, Sum(T.ClientPolicyEarnings) as ClientEarnings
FROM (
SELECT Tran_Year, Client_Ref, PolRef , Sum(Earnings) as ClientPolicyEarnings
FROM Sales_Income
GROUP Tran_Year, Client_Ref, PolRef
) as T
GROUP BY T.Tran_Year, T.Client_Ref
0
 
Dale FyeCommented:
And then, if you need
Tran_Year, ClientCount, PolicyCount, TotalEarnings, that would look like:

SELECT T1.Tran_Year, Count(T1.Client_Ref) as Clients, Sum(T1.ClientPolicies) as TotPolicies,
SUM(ClientEarnings) as TotEarnings
FROM (
SELECT T.Tran_Year, T.Client_Ref, Count(T.PolRef) as ClientPolicies, Sum(T.ClientPolicyEarnings) as ClientEarnings
FROM (
SELECT Tran_Year, Client_Ref, PolRef , Sum(Earnings) as ClientPolicyEarnings
FROM Sales_Income
GROUP Tran_Year, Client_Ref, PolRef
) as T
GROUP BY T.Tran_Year, T.Client_Ref
) as T1
GROUP BY T1.Tran_Year
0
 
jdhackettAuthor Commented:
I want the total number of policies for the year.
Tried those two you posted, but getting a message "Syntax Error in Group By clause"

Thanks
0
 
PatHartmanCommented:
The Count(somename) function counts the rows returned in the recordset where SomeName is not null.  So, using multiple Count(SomeName) functions in the same query almost always results in all counts returning the same value.  You would only see differences if some columns contained nulls.

SQL Server has a feature that allows you to count distinct which is what you are trying to do.  To simulate this in an Access query requires a subquery.  This is necessary because each query supports only a single level of aggregation and you are looking for multiple levels.

I would suggest creating independent count queries for each set you want to count.  Then you can join the queries later for export.  

If these counts are destined for a report, organize the report as a main report with subreports and that will allow you to develop individual counts.
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Rey Obrero (Capricorn1)Commented:
try this


SELECT A.Tran_Year, Count(A.Client_Ref) AS CountOfClient_Ref, Sum(A.SumOfEarnings) AS TotalEarnings
FROM (SELECT Sales_Income.Tran_Year, Sales_Income.Client_Ref, Sum(Sales_Income.Earnings) AS SumOfEarnings
FROM Sales_Income
GROUP BY Sales_Income.Tran_Year, Sales_Income.Client_Ref
)  AS A
GROUP BY A.Tran_Year;
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hnasrCommented:
Is the data as follows? where:
y: Trans_year
c:  Client_Ref
t:: Transaction number
e: Earnings
nc: sum of clients

y    c  t   e
1   1   1 10
1   1   2 11
1   2   1 12
2   1   1 10
2   2   1 10
2   2   2 10
2   3   1 10

Requied Output
y  nc  sumEearn
1  2   32
2  3   40
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jdhackettAuthor Commented:
Thanks Dale.
There was a missing "BY" in the GROUP Tran_Year, Client_Ref, PolRef code you posted. It worked fine once I fixed that.

SELECT T1.Tran_Year, Count(T1.Client_Ref) as Clients, Sum(T1.ClientPolicies) as TotPolicies,
SUM(T1.ClientEarnings) as TotEarnings
FROM (
SELECT T.Tran_Year, T.Client_Ref, Count(T.PolRef) as ClientPolicies, Sum(T.ClientPolicyEarnings) as ClientEarnings
FROM (
SELECT Tran_Year, Client_Ref, PolRef , Sum(Earnings) as ClientPolicyEarnings
FROM Sales_Income
GROUP BY Tran_Year, Client_Ref, PolRef
) as T
GROUP BY T.Tran_Year, T.Client_Ref
) as T1
GROUP BY T1.Tran_Year 

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0
 
jdhackettAuthor Commented:
Thanks!
0
 
Dale FyeCommented:
glad to help
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