Possible To Remove Duplicates From A Query Based On Values In Single Column?
May 14, 2015
I have a query that displays this
Column1 Column 2 Column 3 Column 4
TripTitleA TravelerA N/A N/A
TripTItleB TravelerB N/A N/A
TripTitleC TravelerC TravelerD TravelerE
TripTitleC TravelerD TravelerC TravelerE
TripTItleC TravelerE TravelerC TravelerD
TripTitleD TravelerF N/A N/A
I want to filter Column1 to have no duplicates so it looks like this
Column1 Column 2 Column 3 Column 4
TripTitleA TravelerA N/A N/A
TripTItleB TravelerB N/A N/A
TripTitleC TravelerC TravelerD TravelerE
TripTitleD TravelerF N/A N/A
Is this possible?
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Mar 5, 2007
Hi all,
In the organisation that I work for employees get paid every 2 weeks on a Saturday. So for this financial year the pay period end dates have been 08/07/2006, 22/07/2006, 05/08/2006 etc
I have a column in an Access table listing various dates. I want the next column to be
populated with the next pay period end date after that date.
So if DATE is 05/07/2006 I want PAY PERIOD END to be 08/07/2006
and if DATE is 09/07/2006 I want PAY PERIOD END to be 22/07/2006 etc
How do I do this?
Kind Regards,
Matthew
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Oct 4, 2013
I have a table that has two columns "Nationality" and "Gender". I wanted to run a query that will Group the nationality and then split the gender column into two columns and after that it will count both gender columns for each nationality. When I posted this question in "Reports" section I got the suggestion to use the SELECT COUNT in SQL. It worked but only for nationality. I couldn't get it work for the Gender column. I searched alot and the only thing I got was the SQL function to split data from one column into two but that also didn't serve the purpose (check the link to see why: [URL]) At last, I went on to create a cross tab query. Selected Nationality as Row header, Gender as Column header and Customer ID as calculation point. And there I got the result I needed. The SQL Code looks like this:
Code:
TRANSFORM Count(Register.[Customer ID]) AS [CountOfCustomer ID]
SELECT Register.National, Count(Register.[Customer ID]) AS [Total Of Customer ID]
FROM Register
GROUP BY Register.National
PIVOT Register.P_Gender;
Crosstab query did the trick..
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Nov 10, 2005
Hi,
I have the following set up on a form to pull together a query (by form) and resulting report:
Publication
Sector
Product
Region
Each publication can have multiple sectors/products/regions. The resulting query therefore duplicates the publication, for example:
Publication 1 Sector 1 Product 1 Region 1
Publication 1 sector 2 product 1 region 1
publication 1 sector 2 product 2 region 1
etc etc...
The report ONLY has publication on it, but as it is based upon the query utilising the 4 factors above, the resulting report is:
Pub 1
Pub 1
Pub 1
Pub 2
etc
I want the report to only list the publications once - i have tried "hide duplicates" from the form field properties, however this hides the text but leaves a big gap on the resulting report when generated where the duplicate would be if it were not hidden.
There must be a simpler way to acheive this than getting another query to create a table based on the first query which (the table) only includes the publication name, and is filtered to remove duplicates through a primary key...
Can anyone help!?
cheers
amx
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Apr 8, 2013
I have a data base with names, email IDs, phone numbers of 5 types(example quality, security, IT,finance etc) of person from ten different project teams. I created a basic form for the end user to enter values and created fields for each of the person's name, email ID etc based on the personal type( liek quality, IT, finance etc) on each team. The background table contains records of almost 200 people now.
All of these people will be trained for one task and some will be trained for multiple tasks. I know how to make the combo box allow multiple values/selections but, i cannot list out all 200 personal names in the combobox's rowsource/value list. Is it possible to combine all different name fields and list out all personal(of one team), so that the end user can just select multiple names for that team who have been trained and so on. i need to set the rowsource of the combobox to the values of all personal from one team so the team leader can just go select who has been trained and who has not.
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Feb 10, 2015
Currently we track areas of non-conformance for a fleet of flight simulators. Each flight simulator has a particular ID number. In some instance an area of non-conformance is associated with a single simulator, at other times it is a fleet wide issue and applies to all or some simulators. In order to track as well as advise leadership and the contractor responsible for maintenance of the simulators of the situation we generate individual response letters.
In order to track each instance of non-conformance my idea was to create a new record for each deficiency. In the event that it is applicable to multiple simulators I would like to fill out the form with all pertinent data and then place a checkbox associated with each simulator and when the record is saved, it creates one record for each simulator with a checkbox ticked.
Once the deficiency on each simulator is fixed, I would check a box for a field called rescinded, which would remove that particular deficiency on that particular simulator from the active list of deficiencies but the others would still remain because they are associated with unique records.
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Mar 14, 2007
I have a query which select the records who have a certain criteria.
The result is something like this.
A 0012345
A 0032432
Note that the records that have this criteria will be smaller or equal than 2.
I want the query to give me this answer instead.
A0012345, A 0032343
(in the same field that is).
Is this possible, if so can someone help me. My email address is russcami@yahoo.com
Thanks
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Jul 11, 2013
I have a field called density which needs to be updated to show either 10, 20, 30, 40, 50,60, 70 or 80 depending on a number of variables, for example: If market location is 'hot' and unit type is 'house' and discounted is 'no' then show '10' in the density box.
or perhaps:
If market location is 'cold' and unit type is 'apartment' and discounted is 'no' then show '20' in the density box.
I have tried all sorts of expressions and queries but have really reached the limit of my know how and can't solve it. Is it even possible to do this in Access?
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Mar 24, 2014
I have created a cross tab to extract pipeline and sales for Q1 2014, Q2 2014, Q3 2014 & Q4 2014... the user can select the quater from a multivalued text box...
Now for the final output, have created another query which pull the above four quarter in each column from the cross tab...now the problem arises when i change the quarter to Q2 2014, Q3 2014, Q4 2014 & Q1 2014..it gives an error "Microsoft office Access database does not recognizes "Query name" as a valid field name or expression".
The error is because the second layer of query does not identifies Q1 2014.
How do i make access change the column automatically when the Q1 changes to Q2...
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Dec 16, 2005
:mad: :mad:
Hi folks,
I wonder how can I list all the column names for a given table using a single query? I know how to do it in SQL using system tables, but no idea how to do that in Access.
Thanks.
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Apr 12, 2007
I have a query linked to a main frame database. One of the fields is [significance] and gets a number 1-20. Usually when this data is entered, it gets multiple significance numbers. This causes my query to return separate records for each significance number. For example if case number 123 is given significance codes 1, 5 and 12, then my query returns 3 records.
I need a query that will show all records one time that have a significance code other than 12. This would be easy if there were not duplicate entries for the same case number because I could simply say "Not 12". So in the example above, my query returns 2 records showing significance codes 1 and 5. But I don't want to see the record for case number 123 because it also has a 12 significance code.
So what is the best way to handle this?
I appreciate the help.
Jim
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Jun 14, 2007
If have a table with billing occurances and one of the fields is "business name" how would I need to setup a make table query which lists unique occurances within that data?
Essentially, I want to remove duplicates. If ABC Pet Store has 5 billing occurances and XYZ Pet Store has 1... I want both to only be listed once.
I hope that makes sense. Thanks for any help as to how to set this up!
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Sep 3, 2004
I would like to remove duplicates from the following query. I would like it to display only one record depending on the InvoiceID. So only show one unique record based on Invoices.InvoiceID. Thanks!
SELECT DISTINCT Invoices.InvoiceID, Invoices.CustomerID, InvoiceDetails.InvoiceDetailID, Invoices.InvoiceDate
FROM InvoiceDetails INNER JOIN Invoices ON InvoiceDetails.InvoiceID = Invoices.InvoiceID
WHERE (((Invoices.InvoiceDate) Between #8/1/2004# And #8/31/2004#) AND ((InvoiceDetails.DeliverBy)=0))
ORDER BY Invoices.InvoiceID;
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Sep 3, 2014
how data is best structured in Access.I have a table of values (for instance: weight) and I need to be able to look up a weight based on the column header (age) and row header (height).How is this sort of data best structured and accessed in Access?
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Apr 3, 2013
How do I select the first column of a multi-column list box (called "List1") for a query.
A single column list box works fine.
Code:
SELECT Tble_Employee.Emp_No, [forms]![attendee_form]![list1] AS SelectedCourse
FROM Tble_Employee;
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Mar 27, 2006
Hi all, total newb here with a question i can't find answered anywhere. (you are my only hope) This database contains over 70k records and is a collection of user registrations over the years. Heres the issue.
After running the find duplicates query and get my list (over 8000 dupes) i get a sample like below. I cannot now run the append query as every other site or article says to. I can't set the primary key to surname because there are so many records that have the same last name but diff. first name. I need it to remove the dupes based on the EditDate, keeping the newest record.
List before dedupe:eek:
IDTag..................Surname......First......... ......EditDate
37659362.............Adams.........Mary........... ...2005.10.21
57506..................Adams.........Mary......... .....2005.04.25
37661858.............Adams.........Nichole........ ...2005.06.23
37661857.............Adams.........Nichole........ ...2005.06.23
37661795.............Adams.........Nichole........ ...2005.06.17
51176..................Adams.........Nichole...... .....2005.03.16
37657399.............Adams.........Rudo........... ...2006.02.15
54640..................Adams.........Rudo......... .....2005.02.08
List after dedupe:D
IDTag..................Surname......First......... ......EditDate
37659362.............Adams.........Mary........... ...2005.10.21
37661858.............Adams.........Nichole........ ...2005.06.23
37657399.............Adams.........Rudo........... ...2006.02.15
Any suggestions?
Newb
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Dec 31, 2013
I have the below code but I want to add a grouping to it so that if there is a duplicate building number it will not list it. Is there a way to add a grouping into the code to do this?
SELECT Q_PI_Qrtly_Insp_Ct_Range.District, Q_PI_Qrtly_Insp_Ct_Range.Bldg_Number,
Q_PI_Qrtly_Insp_Ct_Range.Bldg_Name, Q_PI_Qrtly_Insp_Ct_Range.Address, Q_PI_Qrtly_Insp_Ct_Range.City,
Q_PI_Qrtly_Insp_Ct_Range.State, Q_PI_Qrtly_Insp_Ct_Range.FSL, Count(Q_PI_Qrtly_Insp_Ct_Range.Insp_Date) AS CountOfInsp_Date, Q_PI_Qrtly_Insp_Ct_Range.Due, Lookup_Tbl_Commander_Inspector.Commander
[code]...
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Jul 2, 2015
What I have a a form that my lab supervisor would use. That person selects the records that are to be modified and assigns work, completes work or otherwise updates the status of the records. One of the options is to mark a record as not having a sample here if it has already been marked as having been here. So essentially, I want to modify the record to change the sample arrival date and sample number field (which is a foreign key field) to null or empty. I have created a delete query that deletes the corresponding record just fine.I just am having difficulty updating the two fields mentioned above. When the supervisor selects the record the primary key for that record is also picked up so it is easy to know exactly what record to adjust. The query returns the information to be updated just fine, it just doesn't do that. Here is the sql of the query. As I said, I don't care if the fields are empty or null. Also the fields aren't required.
Code:
UPDATE TestRequestTable SET TestRequestTable.SampleLocation = "", TestRequestTable.SampleArrivalDate = ""
WHERE (((TestRequestTable.TestRequestNumber)=[Forms]![LabScheduleForm]![TRNumberCombo]));
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Jun 6, 2005
I have a table of 50,000 reccords. The table has 8 fields of theses eight fields I want to remove duplicates based on 4 of the fields in a query. Is there a way I can do this and keep the uniqe identifyer so that after the duplicates are removed from those 4 fields I can match them back up with the other four fields????
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Jul 31, 2007
Hi everyone,
I am working on a database to manage newsletter subscriptions. Each subscriber record has the option of having up to four email addresses registered to his/her name.
Is there a way to check for duplicate email addresses in the entire database? It would have to compare all values in all four fields of all records.
Any ideas on how to implement such a thing? I'm clueless...
Thanks!
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Feb 27, 2014
I am trying to design a delete query that has an additional criteria needed.
I want to delete identical IDs in one column only if there are identical values in an adjacent column.
So for example, in the table below I want to delete the last row where the duplicate ID is "2700023" because the Code field has identical values, "LRAC". I do not want to delete the second row because the Code field is different for the row.
ID Code
2699974 BCC
2699974 SRAC
2700023 LRAC
2700023 LRAC
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Jun 11, 2013
I have a table called Stock Levels which contains 3 fields. (ID, ProductID, StockLevel) ID is the Pkey, ProductID contains duplicates and StockLevel which contains different stock levels
and I am trying to remove the duplicates and retain the the data so I am left with the correct stock number
what I have done is the following, but I am still getting duplicate values in productid and stocklevels
SELECT DISTINCTROW id, productid, stocklevel into mynewtable from stocklevels
I have attached a screenshot of the table
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Nov 19, 2013
I have a large table with many fields and many rows. There is no primary key. I'll call one field ParentPN, and another field ChildPN. There are many other fields as well. I want to identify all rows where BOTH the ParentPN and ChildPN occur more than once. I know how to create a query to identify duplicates of ONE field in the table, but not two. I can solve this with VBA: I will read the two fields of interest in the first row, then compare both values with every other row. If it finds another row with BOTH ParentPN and ChildPN identical with the first, that's a "hit". Then, repeat with all the other rows. I could find ways to make this run faster, but I was wondering if there are any build in functions to accomplish this. I looked at the Find Duplicates query builder, and all I see is I can select ONE field to search for dupes, not two.
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Sep 28, 2015
I have 4 or 5 tables. Most of the fields are exactly the name but they all have at least 1 to possibly 5 or six fields that are not in the other table. Additionally there are some duplicates within the individual tables as well as across tables.
i.e.
I have a
Student Table - with all the info on the student as well as a column called student that identifies them as such however it does not have the columns parent, donor, appeal, designation.....
Parent Table - with all the info on the student as well as a column called parent that identifies them as such however it does not have the columns student, donor, appeal, designation.....
Donor Table - with all the info on the student as well as a column called donor that identifies them as such however it does not have the columns student, parent, appeal, designation.....
Appeal Table - with all the info on the student as well as a column called appeal that identifies them as such however it does not have the columns student, parent, donor, designation.....
-A person can be within one of these tables more than once but with all the same information.
-A person can also fall into all of these parameters so they could be on every table with the same information in addition to the missing columns,=.
Question 1 : what is the best way to dedupe and delete the individual tables (they all have account numbers)
Question 2: I was thinking create a new table with all the columns available, however how do i dedupe across tables while populating the additional columns from each?
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Mar 18, 2014
I have two tables, one is of departments, and one is of people (with a FK denoting what department this person is in). Now consider the fact that there are duplicates in the departments table, and I would like to remove these duplicates. However, the duplicates have related records (in the people table). So, before removing the duplicates, I must update the FKs in the table of people (this is the step I'm having trouble with).
Here's an example:
As you can see, the "Sales" department is there twice. And both have a related record. What I want to do is:
Update all DepartmentIDs (in tblPeople) to not point to duplicate records. In this example, that would be PersonID 2; Joe. His DepartmentID should update to "1" (as both "1" and "2" are "Sales").Delete the duplicates in tblDepartments (in this case, DepartmentID 2, "Sales").
The second step is no problem, it is only the first I am struggling with.
Also, the example posted here is just an example, the data I actually need to do this for is significantly more complex and there are many more records! In the attached database:
qry1: Simple query to find all duplicates (just used the query wizard)
qry2: Just the first row of each duplicated departments (duplicates that shouldn't be deleted). In the example above, this would be the "2", "Sales" row in the tblDepartments table.
qry3: Basically all qry1 rows that don't appear in qry2
qry4: All qry3 values, and their respective qry2 value.
This is what each of the (soon to be deleted) duplicate values' related records' DepartmentID should be updated to... There's no simpler way to phrase that, so using the example above, qry4 would return "2","1". This indicates that all people with a DepartmentID of "2" should be changed to "1" (so we can subsequently erase the department with the ID of 2.
This is as far as I have gotten. My next step is: Update all FKs in tblPeople based on qry4 (You can't set an update query's criteria to pull from another query, nor can you use the second query for the update value... or maybe you can, but I don't know about it).
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Jun 29, 2014
I have a report with 2 access tables (1 Master table and another a daily feed table)
The Master table keeps a log of all incoming records. (once append it to this table, should not show in future reporting)
The Daily feed information within the last 48 hours. (uploaded from an excel report into access temporary table)
When the daily feed table gets completed, I append the records and updated them into the Master to avoid duplication.
When I upload the daily feed table and I match it against the Master table to find duplicates, how can I delete the duplicates from the Daily Feed table?
This is my code to find duplicates:
SELECT CMPreport.ID, CMPreport.MbrName, tblMaster.ID
FROM CMPreport LEFT JOIN tblMaster ON CMPreport.ID = tblMaster.ID
WHERE (((tblMaster.ID) Is Not Null));
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