Combine Tables - Remove Duplicates And Add Fields
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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Jan 30, 2008
Hello,
In access 2003 i have an external Oracle table named EXT-COM_EXTRA_DATA_FIELDS
in this table I have the following fields: COM_DATA_KEY, COM_DATA_FIELD_NO, COM_DATA_VALUE
From this I have created a query named: LOOKUP-BARCODES-10 this looks at the above table by filtering the
the records on the field: COM_DATA_FIELD_NO where this =10.
Also I have created a second query named: LOOKUP-BARCODES-20 this looks at the above table by filtering the records on the
field: COM_DATA_FIELD_NO where this =20
Below is sample data in the table:
COM_DATA_KEY; COM_DATA_FIELD_NO; COM_DATA_VALUE
009A/s 10 03010303165001
009A/s 20 04350309115002
010B/P 10 05150909116001
010B/P 20 06150909116002
011C/X 10 07281809217003
011C/X 20 N/A
The problem is i would like to combine the numbers in the COM_DATA_VALUE field for the same product (ie the same COM_DATA_KEY
record) on the same rows without any duplicate records as shown below:
COM_DATA_KEY; COM_DATA_VALUE; COM_DATA_VALUE (2)
009A/s 03010303165001 04350309115002
010B/P 05150909116001 06150909116002
011C/X 07281809217003 N/A
As you can see from above some records only have data in one COM_DATA_VALUE (like 011C/x) where COM_DATA_FIELD_NO = 10 but no
data for the same product where the COM_DATA_VALUE = 20.
Im thinking maybe i can create a new join query that looks at the above two query’s and combines the values in the COM_DATA_VALUE for
the same product onto the same record row but im not sure how to go about this without creating duplicates & its been some time since ive done joined queries. Any help would be great?
ive attached a cut down version of the database with the table imported from oracle rather than being linked to oracle if this helps.
Thanks
Kevin
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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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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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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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Sep 18, 2006
I have an Access DB built that links to an excel spreadsheet. The spreadsheet changes so I cannot import and have to link.
Now the source of my spreadsheets is producing two spreadsheets with identical fields but different data. I need to combine the data from these two spreadsheets. Can I link them both and combine them in a query? How?
Appreciate any advise.
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Feb 27, 2014
We are a non-profit that does blind mailings for our membership drive.
The company who we buy names and addresses from sends us a delimited file that has these fields as the headings
" ID, FULLNAME,COMPANY, ADR1, ADR2, CITY, STATE, ZIP, FIPS"
Once they send out the mailings, people then send in back a remit slip with a contribution that gets scanned through a program that creates a file that gives us these titles
"ALT ID, AMOUNT PAID, RUN DATE, TENDER, FUND, PURPOSE, SOLICITATION, MEMBERSHIP QUESTION, MEMBER TYPE, CONSTITUENT TYPE, SEGMENT". The "ALT ID" and "ID" are the same in both tables.
I need to find a way to merge the tables and combine the fields that have the same ID # , and then have it create a csv file that reads like this (see below) for only the files of the people that responded so that I can import it into our membership software.
"Alt ID","Title","First Name","Middle Name","Last Name","Suffix","Address1","City","State","ZIP","ct y_code","Amount Paid","Run Date","Tender","Fund","Purpose","Solicitation","Me mbership Question","Member Type","Constituent Type","Segment"
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May 13, 2014
I get tasked to use access very infrequently but now I have been asked to create a database. I am struggling with combining 2 tables. I have different data on each table however I do have a unique Identifier. So on table 1 I have Bud, his height, weight, etc. On table 2 I have Bud his home address, phone #, etc. I am using name "Bud" in this case as my unique identifier. I want to create a query that gives me Bud, his height, phone # etc. I want my query to pull in all records. Bud may only have info on table 1 and Budette could be on table 2 but not on table 1. I would like my query to include all the unique identifiers and as much info as I have in the tables.
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Jul 20, 2015
I have a few input tables and I am trying to combine the fields from 2 tables into one query. How do I go about doing it without having the project amount (highlighted in red) being duplicated?
Table 1
Table 2
Query
Project
Project Amount
Project
Budget
Budget Amount
Project
Project Amount
Budget
Budget Amount
[code].....
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Apr 17, 2013
I have created a database which holds architectural drawings for my company. The drawings have a number (dwgNumber), a name (dwgTitle) and a revision (dwgRevision). Each number should only have one title but cannot be unique as they can have several revisions. I am looking for a way to allow the users of the database to only enter a drawing title for a drawing number once. This is because if more than one person is accessing the front end at a time, they may use the same drawing number for different drawings.
For Example:
----THIS IS FINE
Number: A001 Title: Drawing 1 Revision: P1
Number: A001 Title: Drawing 1 Revision: P2
----THIS IS NOT OK
Number: A001 Title: Drawing 1 Revision: P1
Number: A001 Title: Drawing 2 Revision: C1
Basically, each number can only have one title assigned to it.
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Oct 12, 2012
I am trying to modify an inventory management database. I want to prevent duplicate entries to specific fields in centralized table. The table is called Work Stations. Its function will be to track various computer equipment by a specific work station name. Each of the items will have a unique asset tag.
The primary Key for Work Stations is WS-ID. The fields I am trying to prevent duplicate entries in are WS-Computer, WS-Docking Station, WS-Monitor_1, WS-Monitor_2, and WS-Switch. Each of those fields are primary keys in 4 different tables that conation more detailed information about item. The exception is WS-monitor_1 and WS-Monitor_2 have a one-to-many relationship with Mon-Asset Tag in the monitors table.
The goal I am trying to accomplish is when a work station ID is created or modified duplicate entries are prevented to those fields listed above. The computer, monitors, docking station, and switch fields in the work station table may contain data or may be null.
I have tried to set the Indexed Option to Indexed (No duplicates) for each of the fields and I have also tried setting Yes to Ignore Nulls in the index option on the table design tab for the individual fields. Both options have returned the same error stating the changes would create duplicate values, in the index, primary key, or relationship.I have not created form for this table yet as I was trying to get no duplicates option to work first. I have verified the data and the only duplicating fields are the Null fields
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Dec 23, 2014
I've been playing around with a new database design and ran into a possible 'error' that I would like to avoid.
It's going to be a payroll database to store time codes for hours spent working on specific projects. I have been struggling on how to put this together to fit with what we've been doing for years and I think I hit a few breakthroughs this morning.
However I want to avoid this error of possible duplication of entry.
Simple table set up - primary key is just a running integer; Employee ID; and Week Ending Date.
I can have multiple week ending dates for a specific employee; but I want to avoid having the same employee with the same week ending date. I cannot set up either field as being unique.
Quick run of data that would be in this table:
Code:
1 ABC 11/21/2014
2 ABC 11/27/2014
3 ABC 12/07/2014
4 DEF 11/21/2014
5 DEF 11/27/2014
6 DEF 12/07/2014
7 ABC 11/27/2014
in this example, when the last row is entered I need to get a popup or some warning that this time has already been entered.
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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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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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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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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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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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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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Nov 4, 2013
I have a simple spreadsheet:
Ref# Rev
97 b
98 c
99 c
99 e
100 c
100 b
101 a
102 b
I need to create a simple report but remove the duplicates (ex. Ref# 99,100). I need to delete the older Rev's (Ex Ref# 99 Rev C, Ref# 100 Rev B).Is this done throughRecordsets? will an SQL query do the trick?
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Aug 28, 2013
I have a query which gets information from 2x tables where the I'd on one table is the reference number on the second table.I would like to know how I can remove the duplicates on my reference number field?
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Dec 18, 2013
I have some data in an array that I need to normalize, remove duplicates, and import.
Original Table
Every record in the array has a person, all but a few have an address, most have a phone, and some have an email.
Person----- Address ----- Phone ----- Email
Tom ----- 10 A Ln ----- 789... ----- e@a
Sue ----- 20 B Ln ----- 256... ----- _____
Sam ----- 30 C Ln ----- _____ ----- _____
Dan ----- 40 D Ln ----- 478... ----- _____
Jan ----- 40 D Ln ----- 567... ----- e@d
Stu ----- 50 E Ln ----- _____ ----- _____
Syd ----- ______ ------ 224... ----- _____
New Data Structure
I want to group the data by HouseHold; which Address will serve to define for this import.
tblHouseHold
hhID
tblAddress
adrID, hhID, Address
tblPerson
prsID, hhID, Person
tblPhone
phnID, hhID, Phone
tblEmail
emlID, hhID, Email
I've been working on a procedure to step through the recordset and add the data one record at a time so I can get rid of the duplicates.
I've tried a few approaches, but this is where I'm at now.
Code:
Dim rs As DAO.Recordset
Dim rsHH As DAO.Recordset
Dim rsPhone As DAO.Recordset
Dim rsEmail As DAO.Recordset
Dim rsAddress As DAO.Recordset
Dim rsPerson As DAO.Recordset
Dim db As DAO.Database
Set db = CurrentDb
[Code] .....
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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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