Update Linked Tables When Used In Queries

Jan 23, 2008

I have set up a table (A) that is linked to another table(B) in my database. This linked table (A) is then used in a number of queries. When the data in the original table (A) is updated it does update the data in the linked table (B) as it should. However, when I run the queries they do not bring up any records. It seems that they are not looking at an updated version of the linked table (A) because if I rebuild the query it finds the records as it should. Any advice on this would be very gratefully received.

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Apr 30, 2015

How to Update ODBC linked tables on ms access?

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Jan 25, 2007

I've been creating a new Access application and I've run into an issue. The form I created has 2 subforms on it. The data is stored on 3 different tables related by the RMAID. The data gathered from this form needs to go into our MRP application. I have linked the necessary MRP tables to my access application. How do I get the date from the form to the tables in our MRP application? The data needs to go to 3 tables from the MRP application. Do I create an append query that's run after the user completes entering the data on the form? Thanks for any help

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Apr 18, 2008

Hi all

I need some code to refresh/update linked tables to a data base in the same folder on startup. Any idea how I can do this??

Thanks

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Jan 22, 2015

I have an access database with a linked table to an Excel spreadsheet. I have a form based on the linked table so the presentation of the Excel date is better. The spreadsheet is used by other staff in my office to record sales which I need to register with an external organisation. What I want to do is update the spreadsheet with the registration date from my access form rather than going back into excel to do it.

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Split Database. Update Linked Tables If Back End Moved.

Dec 7, 2007

Hi.

I'm about to move to a back end / front end system, from a single database file. Before I do so, I want to make sure I have all bases covered so to speak.

My back end file will reside on a server. I am aware that path names are sometimes changed by network administrators without warning.

From tests, I notice that, if the path to the back end can't be found, one cannot open the front end database file at all (Access 2003).

My question is: if my back end file gets moved, or the path changed, how can I get into my front end file to update the linked tables.

Many thanks in advance.

Mat.

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Jul 30, 2012

I'm using Access and Excel 2007.... I know how to import an Excel spreadsheet as a table.

I have several supplier price lists in Excel. I want to keep my vendor price lists up to date.

When one of my vendors tell me that a price has changed on a particular item, I figure that I could have a form that I could use to enter the changes.

I believe the form would look like:

Field: "Vendor" (drop down list to choose from. Name of the Supplier price lists) Required.
Field: "OEM" (Key Field found in each table) Required.
Field: "Brand" (Field found in each table) Not required.
Field: "Price" (Field found in each table) Required.

OEM would be the unique key field.

If I enter the Vendor name and then the OEM number it would show if there is already that number in the Vendor price list and I could make changes. Or I could enter new data in that vendor price list.

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Linked Tables Or VBA SQL Queries

Dec 1, 2005

I am new'ish to access, although we have had an SQL server 2000 backend for some time, it has purely been used for our MIS systems, now I want to develop using Access 2003 as the front end, and SQL as the backend, however, I don't know the most effective way to link to the data on SQL, I can use either linked tables through Access, or not use linked tables and just send SQL queries to the server using vba code, I am not sure which would be the best solution to creating a new application.

Any ideas whether I should use linked tables or fire off vba SQL queries ?

cheers
John.
:confused:

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Jul 9, 2015

I have two linked tables (Unique_ID)

Table1 has a record of unique tasks.
Table2 has a list of people to do those tasks

They are linked by a Unique_ID (one to many - Table1 to Table2).Sometimes there can be an instance where there are Unique_ID's in Table2 but the reference Unique_ID is missing from Table1.

I have a select query that can show me these like so.

table2 table1
Unique_ID Unique_ID
Like * Not Like *

I can open the query and simply delete the records fine however i wish to automate this.What I want to do is delete the unrefenced Unique_ID's from table2.I have tried to just convert this select query into a delete query but it asks me which table I wish to delete and I cannot see where to enter this information.

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Apr 5, 2013

I have two tables,

Table A:
Year Type Count
1992 Walk 82
1992 Bike 43
1992 Vechicle 298
1992 Ship 3
1992 flight 3478
1993 Walk 47
1993 Bike 13
1993 Vechicle 638
1993 Ship 24
1993 flight 3111
1994 Walk 0
1994 Bike 8
1994 Vechicle 1298
1994 Ship 24
1994 flight 3234

Table B:
ID Type
T1 Walk
T2 Bike
T3 Vechicle
T4 Ship
T5 flight

The two table linked by the [type]

I need a query expression like: SlowWay: IIf([TableB].[ID]= 'T1' AND [TableB].[ID]= 'T2',[TableA].[Count])

FastWay: IIf([TableB].[ID]= 'T3' AND [TableB].[ID]= 'T4' AND [TableB].[ID]= 'T5',[TableA].[Count])

My expression keep gives me the error.

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General :: Securing Frontend By Disabling Access To Linked Tables / Queries

Mar 24, 2014

I'd like to secure my frontend by disabling access to the linked tables, queries etc. I thought converting to .accde would do this but apparently not. Is there a way that this can be achieved?

I am aware that I can disbale the ribbons etc but they can all be turned back on using the options menu.

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Feb 2, 2012

I have a database with a number of linked tables that are linked to tables in different databases (not a back-end).for example, I have table1 that is linked to table1 in K:databasedb1.mdb.table2 linked to table2 in S:datadata.mdb.and so on...

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K:databasedb1.mdb is now residing in O:masterdatabase
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so,
1. find unlinkable tables
2. search its new location under O:master
3. re-link it to the new location

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Oct 14, 2014

one of my tables.

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tbl_type2
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Sep 1, 2014

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Like:
Room1 Dt 1
Room1 Dt 2
Room2 Dt 1
Room2 Dt 2
etc.

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Aug 10, 2013

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The Classes table gives the class key number by class name and section number.

The student has the name of class they want to take and I want to move the class section number into the Choice1 field.

The IIF statement seems to work but all of the students are getting the 1st session of the class put into the choice1 field.

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I have 2 main tables. One with Data that I get from an outside source and cannot be changed. The other is one that needs to be updated as needed. I have a few look up tables so I can identify the codes with the descriptions. In 2003 I was able to make a big query and link my forms to the query to make modifications. I am not able to edit any information in the 2010 query. The people want it to work the way it did in the past but I am not skilled enough in access to do that. Is there an easy way to use a query when updating the form? I used to be able to edit the query itself and it would feed back into the existing tables.

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Oct 18, 2013

I have 2 tables that must be involved in this query. Both have the same fields; one is a temporary table created from an Excel import which will be deleted later, the other is the permanent table.

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Feb 25, 2014

I am giving two tables and I need to create a macro that automatically updates these tables depending on the value of a Yes/No field. If it's No, it's in the 1st table TableOne, if it's Yes it automatically updates to TableTwo.

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Field:FirstName
Table:TableOne
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Jul 24, 2014

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The database some times corrupt the tables record and give a permanent #Delete Error, I have attached one of the database table and the screenshot of the error,

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Jun 19, 2015

I have split database (B/E is in the SharePoint library, F/E has users on a local PCs). Sometimes, when I update/add data (does not matter if it is via form or directly in the table) it looks OK, but when I re-open the database, the data are gone.

Problem is that I cannot catch the moment when data were not saved (sometimes data are saved, sometimes not). I can point out this: if I re-enter the missing data, primary key continues subsequently, it looks like the data have never been entered. I tried to use script

Code:
If Me.Dirty Then Me.Dirty = False

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Jul 22, 2015

I have linked tables from SQL Server using ODBC connection that their location never changes. I have used certain fields of those tables to create queries and make table queries to derive to the information I needed.

On these tables on SQL Server, there is new data added daily. Every day, midnight, there's new data records added of whatever transactions took place in that working day. how often do I need to refresh linked tables in this case to get the latest data added. I mean, once I am linked, the make table query using those defined fields, would it get the latest data added by default when the query is executed, or I must refresh linked tables using Linked Table Manager and then run make table query.

Also, if I want the access to automatically refresh linked tables, can I use the following code? I have added this code, and executing it through a button, but I don't see anything happen, the database becomes inactive for couple seconds (I guess while it is updating) but I don't know is it updating the tables for sure or not, though I am not receiving any error when executing the code through the button.

Function RefreshLinkedTables()
Dim tdf As TableDef
For Each tdf In CurrentDb.TableDefs
If Len(tdf.Connect) > 0 Then
tdf.RefreshLink
End If
Next td
End Function

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Jul 16, 2013

I have linked tables in my db at the moment that rely on user dsn connections to an SQL server. I've been reading about DSNLess connections and want to try convert what i have to have permanent DSNless connections, but the code I've found doesn't appear to be working.

I've removed server specific details where i felt necessary, but when running the code i have it in place.

Code:

Public Sub RefreshODBCLinks()
Dim connString As String
Dim db As DAO.Database
Dim tb As DAO.TableDef
connString = "DRIVER=SQL Server;SERVER=<database ip address>;DATABASE=<

[Code] .....

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Nov 11, 2014

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I have used:

'replace Appointments_OLD by Appointments, replace Appointments by Appointments_NEW
DoCmd.Rename "Appointments_OLD", acTable, "Appointments"
DoCmd.CopyObject , "Appointments", acTable, , "Appointments_NEW"

Unfortunately this just made Appointments and Appointments_NEW clones of one another - changes in one automatically occur in the other.

What I actually want to do is to swap the names round in the backend database while maintaining the right links to the frontend.

Is this possible using vba in the frontend?

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Nov 30, 2011

I export data from a system to an excel spreadsheet, which is linked to my database. When I run reports in Access, is there any way to identify when the linked table was last updated? This would be useful to users if I could add a text box that shows "Data current as of" some date.

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Update Linked Table Definitions

Apr 27, 2005

If a front-end database has links to many tables in a back-end database and the back-end is moved, is there an easy way to update all the table links in the front-end in one go, or do you have to set up all the links again one at a time?

Hoping there's a quick way...

Dave

edit: just realised the previous post asks exactly the same thing ( :o ), but that hasn't elicited a solution yet ( :( ).

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