Distinct Count In A Query?
Sep 13, 2011
I have a query I have 4 fields:
E.G.
Field1 Field2 Field3 Field4
C 20 25 145541
C 40 20 145541
C 10 10 145540
D 20 20 145540
D 10 10 145538
I need to obtain:
C 70 55 2
D 30 30 2
I need to group Field1 and sum Field 3 and field3 and count the UNIQUE ID in field 4.
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Jan 23, 2015
I am trying to get a count of the unique customers in an access 2010 database
After some research it seems i should be using
SELECT Count(Distinct [Customer]) FROM [tblMain];
But when i use this i get
Syntax error (missing operator) in query expression 'Count(Distinct Customer)'.
I have tried leaving out the square brackets but this does not work....
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Jul 29, 2005
Hi Everyone!,
I have a table with the follwing;
ShopID, CustomerID, Month, Item_ref, Product Category
There are about one thousand shops.
The CustomerID field is only unique per shop.
I.e. all transactions for customer ID '002' in shop 1 will be for the same customer, but customer ID '002' could appear in another shop and will be a different customer,
I want to be able to bring back a list of distinct customers, the number of items they have had and the product categories.
Has anyone got any ideas how I do this? I presume I would need to do a count distinct or something??
thanks!,
Sasha
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Jan 28, 2007
I have a table like this in MS Access database:
IDDateCustomerIDInvoiceNoItemNoAmount
101/01/2007A1AAA1
201/01/2007A1BBB2
301/01/2007A2CCC3
601/01/2007B5AAA6
701/01/2007A6BBB7
801/01/2007B5BBB8
I want to get disctinct count of InvoiceNo while summing up Amount by Date and CustomerID in one query. Firstly, I tried to use correlated query to count unique records but it failed.
SELECT A.Date, A.CustomerID, (SELECT COUNT(B.InvoiceNo) FROM Table1 B WHERE B.Date = A.Date AND B.CustomerID = A.CustomerID ) AS CountOfDistInvNo, Sum(A.Amount) AS SumOfAmount
FROM Table1 A
GROUP BY A.Date, A.CustomerID;
The result of Count is not a unique count. Can anyone tell me what's wrong with this correlated query? :confused:
After hours of googling on internet, the solution I got is equivalent to querying on top of the resulting table from another query.
My final query is
SELECT B.Date, B.CustomerID, Count(B.InvoiceNo) AS CountOfInvoiceNo, Sum(B.SumOfAmount) AS SumOfAmount
FROM (SELECT A.Date, A.CustomerID, A.InvoiceNo, SUM(A.Amount) AS SumOfAmount FROM Table1 A GROUP BY A.Date, A.CustomerID, A.InvoiceNo) AS B
GROUP BY B.Date, B.CustomerID;
Is there a better solution than this in Access? :)
Thanks,
Huyeote
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Jun 18, 2007
Tried several suggestions in the forum but haven't found one to match my needs.
I have one table, Jupiter and need to use this query
SELECT Jupiter.codename AS Build, Count(Jupiter.tooling_ind) AS [# Needing Tool], Count(IIf([tool_req_type]='OR',([requisition_no]))) AS [# Tooled], [# Tooled]/[# Needing Tool] AS [% Tooled], Jupiter.tooling_ind
FROM Jupiter
GROUP BY Jupiter.codename, Jupiter.tooling_ind
HAVING (((Jupiter.tooling_ind)="Y"));
For each "codename", there is an attached "part_no" which can appear under a codename several times. The problem is that I need to count only one instance of the "part_no" for each "codename".
So, my query looks like this:
Build # Needing Tool #Tooled
LP1 769 192
The # Needing Tool is counting every record that, say pn 10592 shows up in and I need it to be counted only once in each "Build"
I did try this suggestion I found with no results.
SELECT Jupiter.codename AS Build, Count(Jupiter.tooling_ind) AS [# Needing Tool], Count(IIf([tool_req_type]='OR',([requisition_no]))) AS [# Tooled], [# Tooled]/[# Needing Tool] AS [% Tooled], Jupiter.tooling_ind
FROM (SELECT DISTINCT Jupiter.part_no FROM Jupiter)Jupiter
GROUP BY Jupiter.codename, Jupiter.tooling_ind
HAVING (((Jupiter.tooling_ind)="Y"));
Is there a way to do this somehow?
Thanks!
Toni
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Jul 6, 2007
I've searched on google for count distinct help but I had no luck. I'm counting 2 different columns and when the query is run the counts in both columns appear exactly the same. Also, I need a SUM distinct (if possible) to sum only where it is being counted in 'CountOfCar_Nr'. Here is my SQL....
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Aug 30, 2005
I'm building a sort of uberquery to do some calculations on a dataset for me, and I reached a point where I'm having some problems. I'm going to have to assemble the main query by doing a join on several subqueries.
Essentially, I have one table with the following fields (DrawingNo, DrawingRev) and another table with a great deal of data in it, but as far as this problem is concerned, it has (DrawingNo, DrawingRev, OrderNo, SPOOL). I have several tests that have to be performed.
The first table contains a master listing of al drawings we are supposed to have, the second contains information related to procesing the drawings. There is one row in the second table for each piece to be made from each drawing.
The first test is to verify that no gievn revision of any drawing has been split across more than one OrderNo. Essentially, I Count(OrderNo) and group by DrawingNo and DrawingRev, so that there is one line in the query for each drawing/revision pair, and a count of the number of OrderNos that meet those criteria.
The second test (and this is the one I have a problem with) involves taking a count of the number of unique values of DrawingRev that occur for a given DrawingNo. Something like SELECT Count(DISTINCT Drawingrev) FROM SecondTable GROUP BY DrawingNo should work, but Access doesn't appear to support "Count(Distinct". How do I get around this, and remember that any answer has to be able to be used as a subquery.
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Jun 3, 2007
Hello all,
I am new to this forum. I have this problem where I need to sort the 4 books in the tables below according to the highest quantity of book sold.In this scenario,
Book C would be 1st in the table with a total quantity of 8.
How do I write a query in access to perform such operation. I have to use DISTINCT to get each book and also count the quantity(e.g. Book C:5+8).
But it seems that I can't use Count and distinct together in Access.
Title SalesNo Quantity
BookA22
BookB 31
BookC 45
BookC 53
BookD 6 1
Hope u all can help!
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Jan 4, 2007
Hello, guys. First of all, may all of you have a very cool New Year 2007!
In my MS Access database i have 2 tables: Table1 and Table2. These are related by means of the fields Field1 (Primary key of Table1) and Field2 (Secondary key of Table2). The relation is 1 to Many.
I pretend to count the rows from the Table2 with different Field2 values. Thus, the following query would be an ideal solution:
SELECT COUNT(DISTINCT Field2)
FROM Table2
Unfortunately, the DISTINCT clause is not admitted within COUNT parenthesis. So, what i came up with is:
SELECT COUNT(*)
FROM Table1
WHERE Field1 IN (SELECT DISTINCT Field2 FROM Table2)
It works, but it takes too long to run the main query, where i embedded several subqueries like the one above.
Is there any other way to get the same result reducing the response time?
Thanks for your attention in advance.
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Jun 3, 2015
Extended Cost] and salestran.[Extended Price] for each salestran.[SKU Code/Number], Count the number of unique customers, salestran.[Customer Code/Number], per SKU for any transactions equal to or after salestran.[Transaction Date] 11/1/2014.
Problem is, doing a regular count on the Customer field returns an incorrect value. It counts the number of times the sku appears within the given date range, ie 6 transactions with 2 customers, my count says 6. I need a distinct count on the customer, for the above example I want to see 2. Here is the code I have so far which yields an error of "At most one record can be returned.." distinct count in my Select statement along with the other fields I want to see, ie Summary data and SKU.
SELECT Salestran.[SKU Code/Number], (SELECT COUNT(cd.[Customer Code/Number]) AS Count FROM (SELECT Distinct [SKU Code/Number], [Customer Code/Number] FROM Salestran) as cd GROUP BY cd.[SKU Code/Number]) AS [Number of Customers]
FROM Salestran
WHERE (((Salestran.[Transaction Date])>=#11/1/2014#))
GROUP BY Salestran.[SKU Code/Number];
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Mar 18, 2014
I have a table with the following values.
EMPLLOYEE_ID
JOB
PAY_DATE
LOCATION
Most employees have 10 to 15 rows. I only want to pull ALL rows for employees ONLY if there is a distinct count from DATE_PAID greater than 1. There are cases where an employee might have two pay checks generarted for the same PAY_DATE.
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Dec 16, 2014
I have a query that contains Invoices(usually 2 line items per invoice) Taxable and NonTaxable. I need to able to basically export it to excel on multiple worksheets when the Amount of unique invoice number reaches 15.
From all my scouring on the internet I can't find anything with this criteria.
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Nov 22, 2014
I would like to count distinct values on a control in the footer of a search form. How to accomplish it.
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Dec 9, 2014
I have the following SQL which returns rows of distinct numbers that are calculated from a field.
SELECT Distinct (Left([ProjectID],4)) AS NumberOfCalls
FROM tblProject;
ProjectID looks something like this : 1307-IND-001 and NumberOfCalls looks like : 1307
I need to count the number of unique "NumberOfCalls" entries that there are in a list of about 50 rows. Currently the SQL returns a list of numbers like this:
1307
1311
1401
etc...
I just want NumberOfCalls to show "3". Is there an easy way to do this?
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Jul 15, 2015
I'm trying to write a query to get a count of Volunteers under a certain Job Code for a given year - problem comes in that a single Volunteer may record hours multiple times under a Job Code in a given Fiscal Year. I can't seem to get "Unique Values" to work. From my research it looks like I need a two-part query but (as a newbie) I'm not quite sure how to write that. I have two queries, one that works and one that doesn't.
This one counts total amount of hours volunteered under a given Job Code, it works:
Code:
SELECT tblHoursWorked.FiscalYear, tblHoursWorked.JobCodeLookup, Sum(tblHoursWorked.HoursWorked) AS [Sum Of HoursWorked]
FROM tblHoursWorked
GROUP BY tblHoursWorked.FiscalYear, tblHoursWorked.JobCodeLookup;
HAVING (((tblHoursWorked.FiscalYear)=[Enter Year:]));
This one attempts to count number of Volunteers that worked under each Job Code in a given year - it instead counts number of entries under that job code. What I think I need to do is count unique instances of the NamesIDFK, but I can't seem to get that to work.
Code:
SELECT DISTINCT tblHoursWorked.[JobCodeLookup]
FROM tblHoursWorked
GROUP BY tblHoursWorked.[JobCodeLookup];
1) correcting my second query and 2) putting them into one query so I can use them in a report.
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Jan 28, 2014
SELECT qryHoursReq.VolunteerId, qryHoursReq.Name, qryHoursReq.Program, Sum(qryHoursReq.Total_Time) AS SumOfTotal_Time, qryHoursReq.S_date
FROM qryHoursReq
GROUP BY qryHoursReq.VolunteerId, qryHoursReq.Name, qryHoursReq.Program, qryHoursReq.S_date
HAVING (((qryHoursReq.S_date) Between [startdate] And [enddate]));
This is my query
I'm trying to get a count of distinct volunteerID in an unbound textbox on report.
If I use =Count(*) I get 2 when I put in date parameters and it groups by program
This is kind of correct, but, these 2 are the same person, she had different days she participated.
What code can I use for only get a count of 1
FOrgot to mention, when I use the DCount with numerous examples, I get #Error
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Jan 29, 2014
I have 2 tables linked with a 1 to many relationship by NAME. Tables look like this....
TBL-STORE
NAME ADDRESS
Walmart 12 Nowhere
Target 14 Somewhere
Lowes 10 Anywhere
Sears 16 Nowhere
TBL-PURCHASES
NAME [NUMBER OF ITEMS] [PURCHASE DATE]
Walmart 4 1/4/14
Walmart 2 1/5/14
Target 0 1/5/14
Lowes 3 1/5/14
Sears 1 1/5/14
Sears -1 (returned to store) 1/6/14
I want a DISTINCT COUNT of [NAME] if Total[NUMBER OF ITEMS]>0, so the correct number will be 2 in the example.
This is one way I've tried to write the SQL, but I keep getting an error...
SELECT Count([TBL-STORE].[NAME])
FROM [TBL-STORE] INNER JOIN [TBL-PURCHASES] ON [TBL-STORE].[NAME] = [TBL-PURCHASES].[NAME]
WHERE ([TBL-PURCHASES].[NUMBER OF ITEMS]>1)
HAVING ([TBL-STORE].[NAME])="DISTINCT");
I also tried an Count(IiF( and can't get that to work either..
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Sep 15, 2006
Hi, Wish if some one could help me ASAP.
I have a table which contains name, tel, email
i need to import only records which have distinct email.
I do need need to import data of all three fields but only which has distinct email.
As there are number of record which are duplicate.
They have different names but same email.
So i need to condition only for distinct email but dump the data in a new table with all three records.
so same names can have different email.
but same email can't have duplicate email.
So need only records which have distinct email.
Please help .......
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Oct 10, 2005
I have data which consists of:
xxxxx123 A.Nother 123456
xxxxx123 B.Jones 123457
xxxxx456 D.Smith 123458
xxxxx456 Z.Zephir 123489
How would I ensure that the query returned only unique rows (where column 1 is unique) based on the first alphabetical record of column 2?
Any ideas?
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Feb 15, 2008
Hey all
I have data in the table.
(various IDs - in example below just 1)
Each ID has date and status.
I need to pull each ID only ones
for MAX date
If there are 2 like that (with different statuses) i need the one with lowest importance. Any advise ?
StatusLogIDDateID DateImportance
ssss02/04/200802/04/2008ghj6
ssss02/04/200802/04/2008ghj6
tttt02/04/200802/04/2008ghj5
tttt02/04/200802/04/2008ghj5
rrrrrr02/07/200802/07/2008ghj4
rrrrrr02/07/200802/07/2008ghj4
ssss02/08/200802/08/2008ghj6
ssss02/08/200802/08/2008ghj6
ssss02/11/200802/11/2008ghj6
ssss02/11/200802/11/2008ghj6
tttt02/11/200802/11/2008ghj5
tttt02/11/200802/11/2008ghj5
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Apr 16, 2007
Hey all
Hope everyone is well.
Im having some probs with a DISTINCT query and hope you can help me out.
In the simplest terms I have a table that has 3 fields. Firstly the BikeManufacturer, then the BikeModel and finally the EngineCC.
Now from this table I am dynamically creating a drop down list via an AJAX request.
See it here .
When the user clicks on a manufacturer the select should be created showing DISTINCT BikeModel.
This could simply be achieved with a DISTINCT Statement but what I also want to do is order the list by the EngineCC.
Now if i put both fields into the DISTINCT statement i get duplications of the models since they dont all have the same EngineCC. But if i leave out the EngineCC from the select then I cant order by it.
Any ideas?
Thanks
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Oct 2, 2007
I am working in Access 2003. I have a combo box based on the query below that works perfectly except that it shows duplicate Department Names in the combo box. I have not been able to find any way to show the Department Name only once. I have tried putting in SELECT DISTINCT in the string, but to no avail I recieve an error :
ORDER By clause(DepartmentMembers.[DepartmentMembers]) conflicts with DISTINCT.
Any light you can shed on this subject would be greatly appriciated. I have been researching forums for over two days and have not been able to generate a solution to this. Thank you in advance!
SELECT Departments.[Department Name], DATA.[BUILDING LOCATIONS], DATA.[REPORTS TO], DATA.[DIRECTOR NAME], DATA.[NUMBER OF PERSONNEL], DATA.[PC NAMING CONVENTION], DATA.[CISCO SWITCH(ES) ATTACHED], DATA.[SERVER-BASED APPLICATIONS USED], DATA.[DEPARTMENT SHARE (Z:DRIVE)], DATA.[EXTERNAL SERVERS], DATA.[Department ID]
FROM (DATA INNER JOIN DepartmentMembers ON DATA.[Department ID]=DepartmentMembers.[Department ID]) INNER JOIN Departments ON (Departments.[Department ID]=DepartmentMembers.[Department ID]) AND (DATA.[Department ID]=Departments.[Department ID])
ORDER BY Departments.[Department Name], DepartmentMembers.[Department Members];
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Jan 20, 2007
I'm going nuts here...can you privide some help.
I'm trying to QUERY an ACCESS database called ARQUIVO and i would like to have from the column EMPRESAS all the DISTINCT records that have the same 'aviacao' in the INDUSTRIA column.
and it goes like this:
Code:<%Set rse = Server.CreateObject("ADODB.Recordset")sSQL = "SELECT DISTINCT empresa FROM arquivo WHERE industria='Aviacao'" rse.open sSQL,con, adOpenStatic, adLockPessimistic, adCmdText%>
But all I get in a 500 error.
The fact is that if I use "*" instead of "empresa" the query runs but i list all the records with 'aviacao' in INDUSTRIA
I have this SQL query made in ACCESS - that does what I want - but it doesn't rune in mine ASP page.
SELECT DISTINCT arquivo.EMPRESA, arquivo.INDUSTRIA
FROM arquivo
WHERE (((arquivo.INDUSTRIA)="Cāmaras Municipais"));
Would anyone help on this?
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Jul 20, 2005
Is this possible, if using the following:
SELECT DISTINCT (Format([Month],"mmm yyyy")) FROM Table;
Adding a ORDER BY [Month]; gives a "distinct and order by" conflict...
Is there any way to alleviate this?
I want to display a "mmm yyyy" formatted combobox in order (i.e. Jan 2005, Feb 2005, Mar 2005, etc...)
TIA!
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Oct 26, 2004
Seems easy but I can't get it to work
Table Services
Pk_Service
Service_Name
MyDate
Fk_License
Table Licenses
Pk_License
License_Name
I need to get all the services for one license, but only once, you'll see what I mean
Pk Service Service_Name MyDate Fk_Licence
1 Base 10/5/2004 5
2 Base 12/6/2004 5
3 Super Base 11/4/2004 5
4 Base 20/10/2004 5
5 Super Base 17/7/2004 5
there's about 7000 records with the same 4 services recurring all the time
All I want for one license is the all distinct services for a chosen date
If I select License 5, and today's date, 26/10/2004, I would need the latest service (closest date but has to be inferior or equal), in this case
Pk Service Service_Name MyDate Fk_Licence
4 Base 20/10/2004 5
5 Super Base 17/7/2004 5
Here's the query I have:
select distinct Service_Name from Services where Fk_License=5 where MyDate <= SelectDate order by DateDiff('d',SelectDate,MyDate) DESC
where Fk_License is to get only the services for a particular license
distinct if to only get each service once
MyDate <= SelectDate if to get only the services older than the selected date
order by is to get the latest service cause there will be a lot of services older than the selected date
they say distinct conflicts with order by
Anyone knows how to do this query right?
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Nov 21, 2006
Hello,
On a form I have a way to search for a record by using a listbox that has a Distinct Row Query from the table that the main table that the form is bound to. It looks for the Sample ID's that are associated with the samples that we test. The list ends at record 87877. We are WAY past that number in our numbering scheme but the list box does not display all the records. When the users type anything over 87877 the auto complete doesn't work and the last record shown in the list is 87877. Does anyone have any idea how to make all records show? The users use this to navigate quickly between samples but now it is broken. Is there some sort of limit?
Thanks
Greg
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