Finding Duplicates In Two Tables- MS Access 2000
Dec 13, 2007
Hello,
I am just starting Access...
Or at least trying to learn it on a small project, and I need a jumpstart, if someone woild be so kind and help me out.
I need to organize my e-mail sendings.
In one table (Table Sent) I have e-mail addresses where I have already sent messages.
In an other (Table New) I have some other e-mail addresses, I am preparing to send out.
To make sure to not send mail to those who already got one, I need to compare the two tables, and delete from the Table New those addresses which are already present in Table Sent.
I guess that would be a 2-3 line SQL script...
All of my attempts so far produced no results
Any guidance would be great!
Thanks
Attila
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Oct 9, 2012
We have an Access 2000 backend database resides in a network server drive while users connect to the backend tables with a mde file on their computers. All users have Access 2010 and the mde file was converted from the 2000 frontend with Access 2010.
The database have been running for a few weeks but recently users have been complaining about record lost on the backend table.We have also experienced one incident of data corruption where the main table could not be opened. After Compact & Repair, the table could be opened but a few records were showing xxxxx on all the fields and we have to delete and re-enter these records.Would they relate to using 2010 mde converted from 2000 frontend when the backend is still in 2000? I am a little nervous about converting both the frontend and backend to 2010 since I have heard various issues on the new version.
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Nov 1, 2006
Hi
Is there a way of finding duplicate field entries in a table and a query: e.g.
In the Sickness Query (which contains, say 10 fields), in the Section field, it says "Benefits", and in the Week Commening field, it says "15/10/06"
And then
In the Nil Return Table (which only contains the Section & Week commencing fields), they also say "Benefits" and "15/10/06"
If there is a way of finding them, how do I delete the entry that has been made in the Nil return table?
Thanks
Maria
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Aug 29, 2006
Hi, been searching this forum for a couple of months now im working with access and up till now i have solved most of my problems:D
Ok the problem.
For the purpose of the question I have a training database:
running one table with user id and user name.
another for job id and job name.
Another for training table with an autonumber, user id, job id, and date
Id like to build a query which bought up the newest only for each user id and job id.
eg.
UI JI Date
2 5 01/05/05
2 5 01/05/06
3 5 01/05/05
3 6 01/05/05
4 6 01/05/06
to
UI JI Date
2 5 01/05/06
3 5 01/05/05
3 6 01/05/05
4 6 01/05/06
Iv tried using a few different ways of using duplicate queryies etc, but im just too newb to figure it out :(
Any suggestions or help would be appreciated.
Thanks
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Jan 21, 2005
I have a Lost and Found Database that I enter information in usually every day.
Lots of items like gloves and glasses are entered into the item/s description field as
name of item then color or some other descriptive.
How do you make the combo box bring up all of the items that are related so that I can
pick from a tighter list? Right now when I click on the combobox for say, gloves, it will
bring up only one record of gloves and then I have to scroll through the entire
database to find the right record.
Table Properties
Lost and Found ITEM/S DESC Field:
Field Size - 50
Required - Yes
Allow Zero Length - No
Indexed - No
Unicode Compression - Yes
Form Combo Box After Update [Event Procedure]
Private Sub Combo22_AfterUpdate()
' Find the record that matches the control.
Dim rs As Object
Set rs = Me.Recordset.Clone
rs.FindFirst "[ITEM/S DESC:] = '" & Me![Combo22] & "'"
Me.Bookmark = rs.Bookmark
End Sub
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May 16, 2005
Sorry for the question's wording.
Here is what bugs me:
- I have one table tblRefctc with the followings fields :
LCtcRef,../..,LRefServ0, LrefServ1,..LrefServ16.
Where all those Lref are long; LCtcRef being the primary key. This table describe a contact from different branches (account, etc..) so while each branch has the relevant information about this contact, they know that that branch too is in contact with the same person.
- I have this other table with describes Events, TblIdxEvt (meeting, whatever) :
LRefidx,IdxEvt,IdxCtc
where IdxCtc is filled with LCtcRef once an event is created.
What I must check for is : For the same IdxEvt, should another branch makes an appointement for LCtcRef (i), I must check if one of the LRefServ0 to LRefServ16 are not already added in the event table.
At this time, I am stuck with making functions which test the existence of the LRefServ(i) (i ranging from 0 to 16) in tblIdxEvt, but I wonder if there is a simpler way to do it with SQL (which, as you could guess, Im not good at).
Thanks in advance for any pointers.
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Apr 2, 2014
I need to create a query that will pull duplicate names out of my db.
I would like it to pull all names that have:
duplicate LastName and duplicates of the first 3 letters of the FirstName.
For example, if I had the names:
Bland, Abe
Brown, Abe
Brown, Bill
Buster, Jon
Buster, Jonathon
I would like my query to return only Buster, Jon and Buster, Jonathon.
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Jun 13, 2013
I am using Access 2010 32-bit on a Windows 7 64-bit platform.I have a database that I have imported existing data into. For the most part, I have eliminated duplicate entries in my Item Number field.
Obviously I have missed at least one (or possibly more) duplicates. When I try to create a NO DUPLICATES index, I am informed that there are duplicate entries.I am looking for a quick way to generate a list of values that are duplicated so I can address those and correct them.Item number field is a number field of type DOUBLE with 2 decimal places.
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May 2, 2014
I've been looking everywhere to find a better way of finding duplicates in a table and then recording and adding another value in that record together.
Let me try to explain better.
example:
I have a table that has 2 columns "Name", "DOB". I would like to find all duplicate "DOB" and add all of the "Name"'s together.
Quote:
Name DOB
bob 19800201
Sam 19761211
Jim 19800201
The output I would like is to have Name = bob & Jim DOB = 19800201.
I've tried using the find duplicate wizard in access but I can't seem to group them together and just to find the duplicates it takes upwards of a minute.
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Mar 8, 2013
I've been working on trying to get this code to work as expected for days. I'm trying to find duplicates (I can't use primary keys or indexes alone to weed out duplicates due to the structure of the tables involved) in a subform as a user enters data. As soon as a project number is added, the code is supposed to count the number of records that contain that particular project number as well as a category number (there can be multiples of the same project numbers as long as their category numbers are different). This is the code I am using in the "Before Update" event of the field in the subform:
Private Sub ProjectID_BeforeUpdate(Cancel As Integer)
Dim strCriteria As String
Dim RecCount As Integer
strCriteria = "([ProjectID] = " & Me.ProjectID & ") AND ([CatID] = " & Me.CatID & ")"
RecCount = DCount("[ProjHrsID]", "tblProjHrs", strCriteria)
[Code] .....
What could I be doing wrong? Nothing about this code seems to work properly - even the Undo and Cancel=True is a problem (I get the "No current record" error).
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Jun 29, 2007
I am trying to make a tweaked database that comes out of Macola each night. It is an old version of Macola, so I simply imported the tables into Access. There is a list of parts and their parent assemblies/parts. I need to find the head of several series (automatically) and have the top level be called "1" (how creative), the next level "2", and so on down the list (all automatically, of course as it will need to be run every night). The original tables will get wiped out, along with the columns. Does this make sense? Is there anyone out there who has dealt with Macola? Any thoughts?
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Oct 24, 2005
Hi
I have a database that currently has security in place so that users input their own usernames and passwords to access the database. The users have recently been added to a windows 2000 server and I want to be able to use their windows 2000 server logon credentials to provide them with automatic access to the database. Is there anyone out there who knows how to set this up? It is a rather urgent request if you could get back to me either on this forum or via email
chris@ctbjs.co.uk
many thanks
Chris
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Jun 2, 2006
I am opening and closing a series of Excel 2000 Workbooks using Access 2000 VBA and want this sequence to be able to complete without any human intervention.
However, there are 2 instances when this stops and waits for a human option to be selected:
1. When the spreadsheet is password protected
2. When the spreadsheet has automatic links I get the message:
"The Workbook you opened contains automatic links to information in another workbook. Do you want to update this workbook with changes made to the other workbook?"
How can I code it so that in situation 1 it skips this file and in situation 2 it automatically defaults to do not update?
Any help most appreciated.
Dalien51
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Mar 27, 2006
If I have a report in MS Access 2000 generated based on the criteria selected of a project with work order "9999" with the labor costs, materials costs and the Totals of each crew1, crew2,... and I would like to have those expenditures populated in corresponding cel in Excel for each crew, HOW would I do it?
To think it out loud, could I create a button on a form, so when I select the criteria for the work order, and when I click the button, it should refresh/update the Exel file with the new data...?? How do I write VBA code for that...?
Please help...Thank you so much....
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Aug 20, 2007
Hi everybody,
I have recently been doing a conversion for my boss for a access 2000 database (both front and backend) to a MSSQL backend.
I finished the conversion today (as quite a lot of the code / queries ran slow due to access running the queries locally rather than on the server). And tested it on my and my boss's machine with no problems so he gave the go ahead to update everybody to our new mssql 2000 backend with the modified frontend.
This is when the problems started; We had two different sets of forms for accessing one of our databases systems - the log system, one is the original dynaset based form, and the other is a newer set which uses snapshot views and preforms updates via queries. Nobody uses the old dyanset system apart from my boss and one of the administrative team as they have things on that window which they need to see. About 30 minutes into the release of the new database the system frooze up on my bosses computer and nobody could create a new log (the server was timing out). I assumed this had something to do with the old dynaset's creating locks on the table.
I offlined the database and kicked everybody out of the front end, turned it on again and tied again, this time banning everybody from the dynaset system. Within 10 minutes another computer frooze up, again with a timeout on the insert query. I discovered that after you had added a new log to the database it would timeout on all subquent additions (something it hadn't done during testing) . Further investigatiion showed it was the snapshot list window causing the error, so coded the add log window to close the list before preforming the insert query and then reopen it afterwards. This allowed my machine to make multible additions without flaw. So I released a new client to everybody. 15 minutes later it was timing out again, but this time there you could not even make one new record.
I checked for locks on the table though the server management table and couldn't find any for the Log table. I have restarted the SQL server box and with no avil. So I reverted our backend to the access mdb file and told people to use the old client.
I am at a complete lose to why this is happening, if anybody has had any expericences like this or knows the cause please tell me.
Some information on the database in question.
It was made as an access 2 database all intergrated into one file, then it was seperated into two files (frontend and backend). Upgraded to Access 97, then to 2000 before this final update to MSSQL 2000.
The log system has two main tables. The first is the log title / info table which links (one to many) to a log entry table. This problem only occurs on the main log table and does not appear to be reoccurring anywhere else within the database. The main log table has just under 18,000 rows in it.
Thank you in advance for any help,
Dom
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Nov 15, 2006
Is it possible to have the master datebase in SQL Server, the replica in Access format and still can sychronize them?
Thank you in advance.
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May 12, 2006
Dear all,
Many thanks for taking the time to read this.
I have a slight problem which seems like it should be easy to solve but I have no idea how to do it.
I have 2 tables (table1 and table2 for instance) Table2 contains more data than table1 but should contain everything in table1 as well as more.
How is it possible to return just records that are in table2 that are not in table1
Eg
Table1 contains:
IDab
112
222
322
422
511
611
711
Table2 contains:
IDab
112
222
322
422
511
611
711
833
The query should return just the line:
833
as this is unique.
thanks again
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Oct 13, 2012
I am working on a DB for maintenance of medical records for use by medical mission groups in Central America. As a child's information is entered into the DB, I want to be able to display his growth progress percentile numerically instead of graphically as found on a standard CDC.gov weight vs height growth chart. The graph are nonlinear so I just can't use an expression.
I have the data for percentiles based on weight and height but I need to be able to find the CLOSEST value on this table to the child's observed values of height and weight.
How do I find the value on a table which is closest to a specified number?
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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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Jan 7, 2015
I have a report to run that gathers info from three tables. If I make individual queries to get the information I need the three queries gather the correct information. If I make one query it makes duplicates. If I combine the three queries that work the main query mixes up the information and duplicates it. How do you make a query that gets information from three tables and not have it be garbled?
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Jun 19, 2013
From what I have read, I understand you can't use the seek command on a recordset from a linked table from another database. Is that true? If so, what is the alternative to find a specific record in the table using an indexed field?
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Apr 15, 2007
I have two database applications and they are:
- the (A) application is for administration use.
- the (B) application is for normal users use.
the idea is that: I made the (A) application for administrators who have full control over the database objects (tables, forms, queries, and so on ...).
the (B) application I have created for normal users who will have only to use forms to insert some data and display data only.
but the two applications has a respective table called "vacation request" table. where I linked them, so the both administrators and users can share the data.
The real question is that: How can I prevent the users from seeing the database objects in their application. I used the database options which have helped me in hidding the database objectives when the users open the application, but unfortunately they managed to access to the database objects by pressing the special keys.
I would like to have an access to the (B) application when I want to make some modifications to the forms and then lock it from users where they only have to use the forms for requesting vacations and view the vacations.
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Apr 19, 2005
I am working on a massave aplication that has been running in Access 2000, but recently several of the file sharing users have installed Access 2003 because of the limited availability of Access 2000. All the users are using the same file off the server.
The problem we are having is that when we reference a subform in the "[Forms]![FormName]![SubformName]![FeildName]" Access 2003 does not recognize it and returns an error. I have found that if I will modify it to "[Forms]![FormName]![SubformName].[Form]![FeildName]" it is recognized in both 2000 and 2003.
To try and change every instance of a subform reference will take forever and I am garuteed to overlook something. We reference subforms all over our program, missing any one of them would be a disaster. Before I went to the tedious task of looking through everything I just wanted to throw the situation out there and see if any of you had any great ideas on how to get it fixed efficiently. I would apreciate any ideas.
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Apr 3, 2006
I think this is an easy one...
I have two tables - one is a Master. I want to delete the records in the Master if they are in the second table. Here's my SQL and I can't get it to work:
DELETE from TestMaster
INNER JOIN on JoinedDupList
ON TestMaster.ID=JoinedDupList.ID
WHERE JoinedDupList.ID = TestMaster.ID
I'm being told I need to define the table to delete from... I thought I defined it.
Thanks!
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Oct 19, 2013
I am trying to combine two peculiar tables in Microsoft Access and have been unable to do so even after doing a lot of brainstorming and searching on the internet.
The two tables are spend and export
Spend
+-------------+--------+-------+-------+
| Country | Metal | Month | Spend |
+-------------+--------+-------+-------+
| China | Iron | Jan | 100 |
| China | Iron | Feb | 200 |
| China | Iron | March | 300 |
[code]...
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Feb 20, 2007
I have an Access mdb file that uses linked tables to connect to SQL Server 2000 using a System DSN. The Access database contains many databound forms that are used to update data in SQL Server. Recently, we moved the database from a Windows 2000 server to a Windows 2003 server. After we did this, the Access database would lock up at certain spots in the forms.
We have been investigating this for over a week, and finally realized that it seems to be a Windows 2003 issue. We have tried putting the database on two different servers running Windows 2000 and have had no issues.
We then tried putting it on two different Windows 2003 servers, and had the constant lockups.
Our original thought was that there was an issue with the new Jet drivers for Windows 2003, but we looked at the msjet40.dll on both Windows 2000 and Windows 2003 and the version on all is 4.00.9025.0.
Does anybody have any idea on what could be causing this?
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