Running Count In Access

May 17, 2007

I am trying to count records in a running sum fashion in a QUERY and for the records to restart when the field changes. I tried DCount without success.

ie. if a field contained the following data
Code Running Count
C101 1
C101 2
C103 1
C103 2
C103 3
C104 1
C104 2

Thanks

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Creating A Running Count

Feb 7, 2006

:eek: I'm running a Make table query that links two tables in a one to many relationship. What I need to do is add a column that is a running or sequencial counter. The counter is used to preserve the order of the child records thus I don't want it sorted. It would be nice if the counter would reset when the Parent-ID changes. This use to be quite simple in Access 98...so much for better ideas. I have reviewed the other forums, but most deal with totals, I need running count. The others are unclear, so I asking one more time. Thanks

Sample of what I need:
Parent-Id_ Child-Id_ Count
___ 123___ 043____ 1
___ 123___ 121____ 2
___ 123___ 321____ 3
___ 123___ 065____ 4
___ 243___ 032____ 1
___ 243___ 043____ 2
___ 243___ 012____ 3
___ 187___ 321____ 1
___ 187___ 022____ 2

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Running Count In Query

Dec 24, 2006

I have a query with 40 fields and 16,000 records. Field 1 is Location, of which I have 197 unique values. What I would like to do is have a running count for each unique location and when the location changes start the count over again.

Example

Count Location Function
1 100 1111
1 105 1111
2 105 1121
3 105 1131
1 110 1151
2 110 1151

I am using Order By to get the proper sort. In some other instances I may want the count to be dependent on the combination of Location and Function codes. Can someone provide some SQL tip(s) that would allow me to accomplish this.

Thanks

Loki

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Queries :: Running Count Within Group

Sep 15, 2014

I have data like so:

Code:
SubjectID VisitID
1 5
1 5
2 7
2 7
2 9
2 9
etc

And need to return a running count for the number of visits per subject, so:

Code:
SubjectID VisitID VisitCount
1 5 1
1 5 1
2 7 1
2 7 1
2 9 2
2 9 2
etc.

I'd like to use DCount and have tried all variations of the following, but none of them returns the correct number:

VisitNumber: DCount("*","mytable","VisitID >= " & [VisitID] & " AND SubjectID =" & [SubjectID])

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Queries :: Running Count Over Group In Query

Feb 2, 2015

I have an access query named "leaveapp" and I want a running count as below:

EmpID TypeID
360 1
360 1
360 14
360 14
360 8
1390 8
1390 8
1390 14
1390 14
1390 1

and i need a column in the right with running count like below

EmpID TypeID runningcount
360 1 1
360 1 2
360 14 1
360 14 2
360 8 1
1390 8 1
1390 8 2
1390 14 1
1390 14 2
1390 1 1

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Queries :: Running Count Over Group In Query

May 11, 2014

I want to do something within Access 2010, but unfortunately I have only partly succeeded so far..

So far this thread has been very useful: [URL] ....

It (almost) completely explains my problem. I have a database with suppliers that participated in tenders. Now I would like to, on a chronological basis, make a "running count" on how often a supplier participated in these tenders (on the basis of supplierID).

In the attachment you can see an example of how the data in my table looks like. With the following function, which I got out of the thread above, I have already been able to make a running count on how often a supplier participated (its "experience").

The function:
DCount("*";"[Table1]";"Supplier_ID = " & [Supplier_ID] & " AND ID <= " & [ID])

So far, so good. But I would like to go for an extra addition, since now the period on which this running count is based is the entire data set, which runs from 2006 till 2013. In other words, Access starts counting from the first record and ends at record 300.000. What I would like to do is to base this running count on the two years before (and including) the tender's Decision_Date, which is also in the dataset.

Example: a specific supplier participated in a tender that took place on 10 december 2010. Know I would like to know its "experience" with tenders, by means of a running count, based on the period from 10 december 2008 till 10 december 2010.

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Queries :: Running Count In A Query By Group - Error In Ranking Column Result

Mar 16, 2013

Query is based on 1 table" tblTimeCnv_AgeGroups

Fields:
AgeGroup Time Ranking
30-& under 11.22 1
30-& under 10.41 2
30-& under 9.22 3
30-39 11.32 1
30-39 9.53 2
30-39 9.34 3
30-39 9.30 4

See attachment

My Ranking field is:
Ranking: DCount("*","[tblTimeCNV_AgeGroups]","[AgeGroup]=" & [AgeGroup] & " and time <= " & [time])

In the Ranking column the result is: #error in the first 3 rows then zeroes

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Is there a way to only bring up the form, unless I obviously need to edit the date base.

I've done some research on Google and it seems I need to use:

SW_SHOWMINNOACTIVE

However I can not seem to find how I would use this or where?

and also if i did find a way to only bring up the form, how would I be able to switch it from that veiw to the veiw I edit in?

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:confused:

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