Modules & VBA :: Code To Consolidate Two Tables And Remove Duplicate Entries

Oct 3, 2013

I have two tables in my Access database. Table 1 has three columns, First Name, Last Name and Phone Number. Table 2 has just 2 columns, First Name and Last Name. What I would like to do is write a VBA macro to consolidate Table 2 into Table 1 and insure any duplicate First Name-Last Name combination is removed.

Table1

Code:
F.Name L.Name Tel.N.
John Smith 12345
Larry Miller 12344
Tony Woods 12333

Table2

Code:
F.Name L.Name
Albert Black
Larry Miller
John Bush

Table1 Post-Macro

Code:
F.Name L.Name Tel.N.
John Smith 12345
Larry Miller 12344
Tony Woods 12333
Albert Black
John Bush

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Modules & VBA :: Code To Remove Duplicate Records?

Jun 12, 2014

I have a table which has duplicate records so I want to write down the code so that when the user click on a button then it should remove the duplicate records from the table.

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Mar 8, 2007

I am using information pulled from a separate database to create a new database for mail merger purposes. I have created delete queries that go out and delete specific records from the new database to help us get the proper list before setting up the mail merge. However, now I am stuck. We have customers that have multiple accounts with us that are qualified for this mailing, yet each customer needs to receive only one mailing. The table looks like this essentially. Table 1id statCode acct custNumber* addy-etc. *This is the field in which we can find exact duplicates. What I need to do is remove the duplicate entries and leave at least one of the entries within the table. It does in fact need to remove the whole record, but as I said leave at least one of the records behind. Can someone please help me to find a solution to this. I guess I should add that I am not very good with Access and I use it very sparingly. I assume that the above can be accomplished using a SQL statement. Any help will be greatly appreciated. LR**EDIT** I also needed to add that I do need to exclude 000 00 0000 from being removed because of duplication.

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May 19, 2007

Hi all,

I have imported a table from Excel. The table contains a long list of names and there are quite a lot of duplicates.
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Thanks in advance !

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Oct 27, 2013

I am attempting to filter the data in query design such that it will not return anyone in the database has there name present more than one time.

For example, in the image below under the Owner_Name field there is "Abbot, Mark C Etux Wanda C". This name appears twice in the database. My criteria is the name can only appear once, therefore this record would not be returned after the query. In query design I would like it to return only name records that appear once in the entire database if there is a way to structure that.

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Feb 10, 2014

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Apr 10, 2014

I have a few duplicate customer queries (different duplicate fields etc). I would like to construct a form to make it easy for an end user to remove the duplicates.

The main problems are...

1. the newer customer is to be deleted

2. any/all orders from the newer customer will be moved to the older customer before deletion.

3. preferably an easy way to switch between the duplicate queries in the same form, though if this is a problem I could just have one small dialog box/form, linking to 3 different duplicate query/forms.

I think other changes between the customers will be easy enough to just do in the subform, i.e update email address/tel/status/salesperson etc. These can just be edited directly?

But the transferring of orders can't be edited directly because there may be several orders and could be errors etc.

tblCustomers [CustomerNumber] primary key
tblCustomerOrders [OrderNumber] primary key
[CustomerNumber] linking to tblCustomers

So all that needs to be updated is [CustomerNumber] in tblCustomerOrders. All orders for the newer customer to have the CustomerNumber field updated to match the older customer. Then the newer customer is deleted.

I would just have a button with a message box to run the code, update CustomerNumber/s and delete record.

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Jun 19, 2007

Hello all,

I have made a crosstab query that is sporatically making duplicate counts. I'd like to know how to fix the problem, but more importantly - I'd like to know why and how my query is giving me these results so I can avoid making this same mistake again.

The relationship is set up so that all records from one table are returned, with only matching records from the other - so no problems that way as far as I can see. This is my crosstab query that is giving some counts of the same record as being matched sometimes two, three, or even four times:

TRANSFORM
Count([Testing DB].[DB_ID]) AS [CountOfDB_ID]

SELECT
[Testing DB].State, [Location].[North], Count([Testing DB].[DB_ID])
AS [Total Of DB_ID]

FROM [Testing DB] LEFT JOIN [Location] ON [Testing DB].[Address] = [Location].Address

WHERE (([Testing DB].[Window Length]) Is Not Null))

GROUP BY [Testing DB].State, [Location].[Size]

ORDER BY [Testing DB].State, [Location].[Size]

PIVOT Format([Date],"mmm-yyyy");

When I do a simple query for a list of the records being counted by this query, I can see the duplicate entries and can eliminate them simply by adding "Distinct" to the select statement - but I haven't had any luck adding any kind of distinction with this crosstab that will do the same.

How can I eliminate duplicate counts of records in my crosstab? If anyone has a suggestion, it would be much appreciated.

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Jan 24, 2013

I'm trying to create a database that is going to be used to deliver some work to several of our users. Each time they open a specific form they'll be delivered a job.

The tables are organized somewhat like this

tblQUEUE
PK_ID_Job(AUTO_NUMBER)| JOB_NUMBER(INT)|LOCKED(BOOL)

tblWorkOrders (FK_ID_JOB (INDEXED DUPLICATES ALLOWED))
FK_ID_Job(LONG)|Name(STR)|Date(DATE)|

Now it works like this, the user gets an ID_JOB from queue

In the form they get all the all the work orders with that ID_JOB, the thing is i'm getting users with same duplicate orders cause i can't update the locked efficiently.

Regarding the users, the database is split, multi-user, with >30 simultaneously

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Jun 5, 2014

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Aug 13, 2013

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Private Sub NHs_Number_BeforeUpdate(Cancel As Integer)
Dim dbs As Database
Dim rst As DAO.Recordset
Dim x As Integer

[Code]....

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Apr 9, 2015

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1301 W Johnson Street Phoenix, Arizona 85725
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Oct 15, 2014

I have a table ("Student Info") that looks like this:

ID....Student.....Student #......Teacher Name......Teacher ID
1........A...............432...............Alice.. .................62
2........B...............674...............Alice.. .................62
3........C...............875...............Alice.. .................62
4........D...............934...............Katie.. ................18
5........E...............345...............Katie.. ................18
6........F...............134...............Dan.... .................4
7........G...............734...............Dan.... .................4

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62......................Alice...........A......... B........C.....432.....674.....875
18......................Katie...........D......... E........-.....934.....345......-
4........................Dan............F......... G........-.....134.....734......-

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id....Teacher Name
62...... Alice
(+ tab).........A.........432
...................B.........674
...................C.........875
18.......Katie
(+ tab).........D.........934
...................E.........345
4........Dan
(+ tab).........F.........134
...................G.........734

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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

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I have attached a screenshot of the table

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Mar 30, 2006

hello,
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May 11, 2015

I have a database for my school that I'm creating to log books read by Pupils.

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When I click on a Book in a listbox this adds a record to the Read table for the pupil - this code works great.

I want to check that the book is not already there but my code is not working.

Below the ID should come from the Pupil table and BookID from the Read table.

I think this is the problem....

The code stops on the Set*rs* = *db.OpenRecordset(mysql, *dbOpenSnapshot) with "Data type mismatch in criteria expression".

At this point mysql is "SELECT Count (ID) as Total from Read WHERE ID = '952' and BOOKID = '13';"

Option Compare Database
Private Sub List5_DblClick(Cancel As Integer)
Rem ------ 1st SECTION
Dim db As DAO.Database

[Code]......

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May 1, 2007

Can anyone suggest a way to remove duplicate records.

I've come up with this:
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But this does not fully resolve my problem.


Thanks.

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Hi,

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Hi again, thanks to all for the help given so far.

Is there anyway (other than making that field a primary key) to prevent the same value being entered into a different record?

E.g.

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Oct 12, 2006

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Aug 2, 2006

Hi all,
I am currently using this code in the before Update event of the Surname Textbox on a form. The first Textbox is FirstName.
The second one is Surname.

************************************************** **

If (Not IsNull(DLookup("[FirstName]", _
"Employee", "[FirstName] ='" _
& Me!FirstName & "'"))) And (Not IsNull(DLookup("[Surname]", _
"Employee", "[Surname] ='" _
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Me.Undo
End If

************************************************** **

However once the user has entered the surname and tries to save the record the MsgBox is coming up.
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