Queries :: Distinct Values In Combo Box

Jun 13, 2014

I have a combo box that I want to display titles of discussion that fall within a date range. I set up the query as such;

SELECT DISTINCT Discussions.Discussion_Title, Discussions.Discussion_Date
FROM Discussions
WHERE (((Discussions.Discussion_Date) Between ([forms]![DiscussionsForm2]![txtStartDate]) And ([forms]![DiscussionsForm2]![txtEndDate])))
ORDER BY Discussions.Discussion_Title;

It works but not quite the way I want it too. I would like the combobox to display only unique titles but right now it shows the same title if it was used on another date. I guess its showing distinct titles and dates, while I want it to display just distinct titles.

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Queries :: Select Distinct For Combobox - Show Only Unique Values

Oct 20, 2014

I am trying to get a combo box to only show unique values, but I can't get it to work properly - it still shows duplicates in the list.

The Row Source is set to

SELECT DISTINCT Areas.ID, Areas.Area FROM Areas ORDER BY Areas.Area;

And the combo is bound to column 2

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Quering Based On Distinct Values

Aug 24, 2005

Hi all,

I had table with following data

Table

f1 f2 f3
1 10 AB
1 11 WW
2 10 DD
2 11 DD

f3 is memo field

I had to retrieve data by grouping records based on f1 value

and i had to display f3 value as "-" if all f3 values for a f1 are distinct.
If all f3 values contains the same value then i should display that value.

I should get output like this

f1 f3
1 -
2 DD


I tried a lot by taking the distinct count of the records and displaying - when count is > 1

but i am not able to succeed.


please any one give the solution.

waiting for your help.


Thanks

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Forms :: Count Distinct Values In A Control?

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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Forms :: Counting Distinct Values In A Filtered Subform

Sep 15, 2014

I am a novice and have been searching to no avail for a solution to my problem. I have a main form and a subform (datasheet view) of a table. In my main form I have various calculations which calculates the data from the subform (when auto-filtered). What I am trying to do is count the distinct [Call Number] reflecting the data from the subform into a textbox in the main form (when subform is auto-filtered).

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General :: UPDATE Field In Table Based On DISTINCT Values

Mar 12, 2013

Below is a sample of the table with the data. I manually added the 1 and 0 to the hc_Year field. However, I would like to create an Update query that will add a 1 to the hc_Year if its the first instance of PIDM & regsYear and add a 0 to the records that are not the first instance.

PIDM | regsYear | hc_Year
52 | 2009 | 1
52 | 2010 | 1
201 | 2007 | 1
201 | 2007 | 0
201 | 2007 | 0
201 | 2008 | 1

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Forms :: Multi-select Listbox To Display Distinct Values From Table

Jul 1, 2013

I am currently trying to make a form which will generate a report for the users. Currently the form has 3 combo boxes where users select which fields they want displayed from the table in the report. They also have sorting options next to them (Asc or Desc). I am now trying to put in a multi select list box under each combo box to allow users to filter the report to their liking. Currently I am trying to pull distinct values from the specific field of the table and display them in the listbox for users to select.

I have tried using vba to set me.filter1.rowsource = SELECT DISTINCT me.combo1 FROM EVAP_Database, but this doesnt seem to work. I have also tried a few other codes and still no luck.

Table: EVAP Database
Combo: Combo1
Filter Listbox: Filter1

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Queries :: Combo Box Won't Display Existing Values

Nov 28, 2013

I had a text box in a contacts DB form for the State field (Named txtState). It worked fine. I decided to replace it with a combo box. Now not only will it not display the existing values, but to rub salt in the wound it won't allow me to select from the drop down list. The error message that says that the field is too small for the value. I tried changing each of the yes/no properties one at a time but none of them change the outcome.

I have attached a couple of screenshots:

ErrorMessage.jpg
Properties.jpg

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Queries :: Sum Table Values Based On Combo Box Selection?

May 20, 2014

I am trying to write a query that gets all the telephone hours from a worker done under supervision in a town (qry_svhoursbytown). I have a table that has the workers details, including town (Crisis_support_workers), then another table that has what hours each worker has done (Supervision_Hours). The town is selected from a combo box on the form (frmSearch), under the heading �total hours by location�.

I try and select Bathurst then press recalculate results and in the text box next to supervision hours, it says 66, but if you look in the Supervision_Hours table, there is only 11 hours for the workers that are in Bathurst.

In the query, I have the sum total of the hours field in the Supervision_Hours table, the Town field from the Crisis_support_workers table with the total selected as Where and in that criteria I have [forms]![frmSearch]![ComboTown], then I just have the town field displayed.

What do I need to change to get it to sum correctly?

I have attached the database below so people can take a look.

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Need Distinct Records Of Whle Table But Distinct On One Field

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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Queries :: How To Update Combo Box Values Based On User Selection

Sep 25, 2014

I have a combo box which gets its values from sql server using a query which is called "get_query_reason", which works fine. Now I want to update combo box values based on a user selection, st string. Have written the code, but does not work:

Dim qDef As QueryDef
Dim Query As String
Dim st As String
Dim rs As Recordset
st = "SOV"
Set qDef = CurrentDb.QueryDefs("get_query_reason")

[Code]....

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Queries :: Either Or Select Distinct Row

Aug 12, 2014

Is it possible to change this query to search for either a Name or by an employee ID number? The query runs a report on after update. Currently I can only enter the name not the employee ID

Code:
SELECT DISTINCTROW First(Inventory.Employee) AS FirstOfEmployee, Inventory.[Employee ID]
FROM Inventory GROUP BY Inventory.[Employee ID] ORDER BY First(Inventory.Employee);

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Queries :: Distinct Count In Subquery

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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Distinct Rows From Non-distinct Data?

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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Queries :: How To Pull All Records If Distinct Count Is Less Than 1

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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Queries :: COUNT With Select Distinct On Expression

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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Queries :: Distinct Count In Access 2010?

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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Counting Distinct Values Of A Column Group By Another Column

Dec 4, 2011

I have this table ("people") and an example of possible rows:

id(key) COL 1 COL2 department country name
1 xx yy KPP USA John
2 zz kk KPP USA John
3 ss ff TLL USA John
4 ww qq PPO Italy Marco
5 jj uu PPO Italy Marco

I have to count the number of distinct DEPARTMENT for each NAME; so, for John should be 2 (KPP and TLL) and for Marco 1 (PPO).

I have tryed in this way:

SELECT
COUNT(DISTINCT department) AS NumberOfDifferentDepartments
FROM people
GROUP BY name;

But Access says me there is a syntax error.

I'm working with MS Access 2002.

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Queries :: Pulling TOP DISTINCT Rows In Final Query

Jun 7, 2013

I've got two nested queries. One finds the oldest inspections from an import table, the second compares that query to the main table again and pulls all 'expired' inspections for each Service Order in the first.

These queries are trimmed down for the essential elements of my question. I can post the full SQL if necessary.

queryDoTheseFirst:

Code:
SELECT TOP 18 ImportTemp.[SO ID], ImportTemp.[Inspection Activity],
[Activity Created]+[AddDays] AS [Due Date]
FROM [Priority List] INNER JOIN (ImportTemp INNER JOIN
queryNeededFirst ON (ImportTemp.[SO ID] = queryNeededFirst.[SO ID])
ON [Priority List].Activity = ImportTemp.[Inspection Activity]

[Code] ....

The refinement I would like to make is, rather than having to pull TOP 18 activities in the final query, just pull TOP 12 [SO ID]s and however many activities come along with them (usually 1 or 2, averages out to about 1.5 so 18 is my compromise). In theory an inspector could have two inspections due on every single property, and would only get 9 unique addresses/[SO ID]s. But I can't figure out how to do that when [SO ID] is no longer unique in the second query.

I suppose I could 'number' the rows in the subquery and add a <=12 criteria on that calculated field, but I'm leery of the processing required (that table contains ~14,000 rows, and most methods of numbering seem to want to use DCount).

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Queries :: Append Distinct Records Only If Field Have Changed

Jun 5, 2013

Using a database 2010. I have a monthly import from a spreadsheet to one of my tables. Sometimes it has the same previous data from prior month or months that has not changed. I don't want to keep appending this data to my table if none of the fields have changed.

Is there a way to append data to table only if fields have changed in an append query? Ex. (Name, Address, PhoneNum, Rate) If all fields are the same; don't append. If one or more fields are changed; append.

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Queries :: Unique / Distinct Result In Time Series

Oct 2, 2014

I have been struggling with understanding Queries related to Time Series. I find it difficult to get the right answer or understanding how to ask the right question Access style.

Table below is a sample data/table example for my question. The intent is to build a query that will return the latest date for each unique/Distinct name. I have Time Series Table that I haven't been able to do this, it doesn't return with Distinct Name. I Also have included a sample database.

TABLE
Name Date_1 Distance
------- --------- -----------
A 1/1/2014 10
B 1/3/2014 5
C 2/1/2014 10
A 1/3/2014 16
A 2/5/2014 3
B 5/1/2014 5
C 6/2/2014 6
C 7/1/2014 7

ANSWER SHOULD BE.
Name Date_1 Distance
------- --------- -----------
A 2/5/2014 3
B 5/1/2014 5
C 7/1/2014 7

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Queries :: Select Distinct Field And Showing Other Fields?

Jun 4, 2013

How to query Select Distinct field + showing other fields? E.g.:

Code:
SELECT DISTINCTROW assetMovementTable.assetNo, assetMovementTable.moveCode, assetMovementTable.compCode, assetMovementTable.compCodeDesc, assetMovementTable.assetDesc, assetMovementTable.equipType, assetMovementTable.equipManufacturer, assetMovementTable.equipModel, assetMovementTable.constYear, assetMovementTable.plateNo
FROM assetMovementTable

[Code] ......

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Queries :: DISTINCT COUNT Of Name If Total Number Of Items Greater Than 0

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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Queries :: Count Distinct Error - Missing Operator In Query Expression

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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Queries :: SELECT DISTINCT Not Removing Duplicate Records In Staging Table

Jan 29, 2015

I have a database with an import process which normalises incoming data and appends to various tables. No issues with that. I also have a function within that process which counts the number of new entries for a summary popup when the process has completed.This works by querying the staging table, prior to the append, into a recordset and using the .RecordCount to increment the count (multiple files can be imported at once so this effectively provides a running count, per file, to give a total for the whole import)

I thought it was working fine but this morning I noticed that the count which appeared on the popup was 1 greater than the number of actual new records. I checked the source files and noticed that, for whatever reason, there was a duplicate entry in there. So I presume that's why the count was out by 1.

There's no integrity issue in the main tables as the composite primary keys ensure that duplication shouldn't be a problem. Indeed, the record in question, duplicated in the source, appears only once in the main table post-import. So not too worried about that.

However, I need the count in the popup to be accurate (it tells the users how many new entries require further investugation). And what's puzzling me is that I use DISTINCT in the query, which I would have thought should eliminate any potential dupes in the recordset and thus provide the correct count. It seems it doesn't?

Code:
Public lngNewBalancesTBI As Long ' Defined in a separate module...
-------
Dim dbs As Database
Dim rst As Recordset
Dim strSQL As String

[code]....

Why the dupe, which is still present in the staging table, also makes it over to the recordset, even though I'm using DISTINCT?

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Queries :: Table With Duplicate Records - Return Distinct Data For Each Client

Jan 17, 2014

I have a table with duplicate records (which is ok) and I want to return distinct data for each client.

It works fine when there is only two fields returned however, when I add a third field to the query it no longer returns only the Distinct records - I am getting Duplicates returned.

I.E

SELECT DISTINCT tblClient.ClientNo, tblClient.Name
FROM tblClient

Works fine with only the Distinct records for each client returned

However

SELECT DISTINCT tblClient.ClientNo, tblClient.Name, tblClient.Address, tblClient.OrderValue
FROM tblClient

Now returns Duplicates!

Is there a limit to the number of fields to be returned using DISTINCT or what else could be the problem? Should I be doing this some other way?

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