ODBC Tables

Jan 7, 2008

I wonder if anyone had any suggestions regarding how to link 4 ODBC tables so the info in each of the 4 ODBC tables are in one table. The 4 ODBC tables are linked in from a mapping system. Each table has 80% the same fields with some minor differences. i dont know if a union query would be the best answer in this case as the field in each of the ODBC's tables do not exactly match. Some have 12 fields, some have 14 fields. Any help would be appreciated?
also this would be using Access 2003 if you would like to know. thanks

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Tables :: ODBC Imported Tables / How To Ensure Index Is Created

May 13, 2015

I am currently using Microsoft Access 2010 32bit, and have one database acting as parent, with a second linked database as a client for people to work with, and the parent database has tables imported from Sage V21 via ODBC. I have used the following code as specified in other examples as follows:

Code:
DoCmd.TransferDatabase acImport, "ODBC Database", "ODBC;DSN=MyDNSMachineName;UID=MyUID;PWD=MyPassword;LANGUAGE=us_english;" & "DATABASE=pubs", acTable, "INVOICE", "INVOICE"

one of the tables has 10k records in it, it only transfers 77 records. After manually attempting an import via the ODBC wizard it finally lets me access all 10k records.I wish to have a single button click delete and import fresh tables without worrying if all the data is coming across.Also, when manually adding a table, I am usually asked by the wizard to specify an index, but with the code above, I am not offered that option and the tables come across with no index. I am led to believe that having tables that link to each other without an index is bad, so how do I ensure an index is created?

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Tables :: Automatic Refresh Of Linked Tables - ODBC Connection

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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Tables :: Update ODBC Linked Tables On MS Access?

Apr 30, 2015

How to Update ODBC linked tables on ms access?

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Converting ODBC Tables To Access Tables

Oct 5, 2007

Hello, this is my first post (anywhere ever)!:eek:

While I have lots of Access programming experience over the years I have broken new ground this week and am in unchartered territory and need help please!

In the organization I am working for (as Procurement Manger), we use AMMS (by Microwest) for work order generation and inventory management, etc. I have been able to import into Access the tables of interest from this SQL-based package. The problem is that I need to share the tables (via nice front end forms/queries) with about 20-30 people in the field.

I don't know much about ODBC but the administrator of AMMS was kind enough to give me access to the AMMS database tables via ODBC and I, personally have access to read the table data but none of the other people in the field can access these tables due to security rights.

So, what I have done is I created MS Access tables for each of the 4 AMMS tables of interest and I run code that runs delete and append queries on each table. I then have a separate public db that the field people access with all the queries and forms but only links to the Master db containing the 4 Access tables derived from the ODBC tables. This works ok but there are issues:

1) if any field people are on the Public db, the code to import the ODBC table data loops and does not complete the delete/append cycle on one or more of the tables. I can only refresh the table data when nobody is connected to the db - impractical.:(

2) the ODBC tables are rather large - one is over 38,000 records and it takes several minutes to run the delete/append queries.:mad:

3) When I created the Master db it was some 83MB. After running the delete/append queries it is some 179MB and appears to increase in size every time I run the delete/append code. When I run "compact db" it stops running after a short time. Does nothing but create a new file (db1.mdb) of the same huge size as the Master.:confused:

I suspect the most graceful solution would be to give each user rights to the ODBC tables from AMMS in Access. In this case, I wouldn't have to run delete/append queries and the data would always be in relative real time subject to the refresh timer. Unfortunately, due to AMMS licensing restrictions, this is not doable.

I have tried to search the internet for guidance but no luck. This forum appears to be an excellent opportunity to get expert advice on this particular issue. I thank you for your thoughts and guidance.

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Linked ODBC Tables

Nov 12, 2007

My problem is best explained by example;

In Access Database A, I have some linked ODBC tables (to an SQL Server database) and some local tables.

In Access Database B, I have a front end which links to all the tables in Access Database A.

The problem is, when I try to link the tables in B, I cannot see the ODBC tables linked in A. Is there any reason why not? 'Why not link Access Database B to the SQL Server tables directly?', you may ask. Well, there is an answer to that but it is quite difficult to explain. I assure you there is one. :p

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Linking Tables By ODBC

Jan 17, 2006

Hello.

When linking a table via ODBC I usually get asked to pick a field that contains unique values.
This is all very well but I have hundreds of tables to link to across a slow network and would like to leave it running for a few hours.
With the current set up, this is not possible and I have to keep clicking on ok every few seconds/minutes.
Is there anyway to avoid this message so I can just leave it running until it finishes.

Regards.

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Import Into Access Tables Using ODBC

Nov 28, 2006

Hi,

I want to import into an MDB table a csv file.

I'm trying to use the bulk copy table.

my function is:

SQL = "SELECT * INTO [my_table] FROM [ODBC;Driver=Micrsoft text driver (*.txt; *csv) ;Dbq=c:\;Extensions=asc,csv,tab,txt;].table.csv"

db.OpenEx( "Driver=Microsoft Access Driver .mdb);DBQ=c:\access.mdb;", CDatabase::noOdbcDialog );

db.ExecuteSQL( SQL );

when i run this function i get an error : "You cannot use ODBC to import from, export to, or link an external Microsoft Jet or ISAM database table to your database"

when i try to import in the same way a dbf file (insted the csv file) with VFP it's working well.

what seems to be the problem? how can i fix it? or if some one know how can i import a large csv file into access DB in an efficient diffrent way?

thanks ishay

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Tables :: ODBC Link In MSysObjects

May 28, 2015

I have big problem with connection between ODBC and Access 2007. Everything is linked correctly but I have problem with separator in decimal field. In my country this separator is "," not ".". I found information about connection in MSysObjects.connect table that

Code:
...;BTD=F;BNF=F;BAM=IfAllSuccessful;NUM=NLS;DPM=F;MTS=T;...

I found somewhere that I need to change NUM value from NLS (default) to MS. Do you know how to edit this value? For example Access 2007 see value "123.8" (so it is in my country "123,8" ) like "1238"

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Linked Tables And Multiple ODBC Connections

May 18, 2005

Hi!

I'll cut right down to it: I have an ODBC connection to a (SQL Server) test database on my development machine that is identical to the live database to which a (different) ODBC connection exists on the PC where this Access application is to be deployed. The problem is that when I deploy, there are some tables that have to be updates, because they still point to my test database. The other tables look like they use the default database for that user.

I used to be able to just copy the Access application and it would work without having to update any linked tables.

To clarify, the tables that work without a problem look like this in the Linked Table Manager:

t_mytable (DSN=odbc;)

And the problem tables have this:

t_mytable2 (DSN=odbc;DATABASE=my_test_db)

I don't seem to be able to clear that DATABASE= thing up. Can anybody tell me how this works?

If this question is overly trivial, I apologize.

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Insert The Records Into ODBC Linked Tables

May 25, 2007

Hi,

I have a lot data to append to ODBC linked table in MS Access. I want to know that which way is faster to append the records.

if I append the data into ODBC linked table,
1) create the one query (append) to insert the records into ODBC linked table
2) use the VBA code (DAO/ADO) to insert the records into ODBC linked table

which way is rather faster?

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Error Handling For ODBC Linked Tables

Jan 17, 2006

My tables are sybase linked tables to my Access front end. I get this error whenever i click away from my mainform while my not-null fields (textboxes) have not been entered. So, i would like to put an error message "somewhere" that tells the user to fill in the necessary fields and highlight the necessary textboxes in red, instead of this scary ODBC message
http://img82.imageshack.us/img82/6829/error0el.png :eek: :eek:

When i put my error handling in the afterUpdate or afterInsert Event. I still get the above error msg instead of my msgbox.
Where do i put this message? or should be question be, "what the proper way to handle this intimidating error? :)

Here's my error handling:

On Error GoTo Err_Form_AfterInsert

'do something


Exit_Form_AfterInsert:
Exit Sub

Err_Form_AfterInsert:
MsgBox Err.Description, vbExclamation, "Please enter the Project Name, Project Leader Initials, Main User and Status Code" & Err.Number
Me!Combo67.BackColor = "red"
Me!Combo65.BackColor = "red"
Me![Project Name].BackColor = "red"
Me![Project Leader Initials Combo].BackColor = "red"
Resume Exit_Form_AfterInsert


Thanks in advance for your help :D

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Forms :: Fields Not Showing With ODBC Tables

Aug 8, 2013

I Created a form and linked it to a ODBC table with no data. Set the Allow Additions property to Yes. It shows fine if there is data in the table but not when there is no data.

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Link Tables Doesn't Activate ODBC Dialog

Jan 26, 2007

Hi Folks.

I'm having a problem with ODBC in Access.
For some unknown reason, when I click Get External Data > Link Tables
the ODBC Dialog box doesn't appear.
I have reinstalled Access and ODBC from the MDAC.

Still the ODBC dialog will not appear.

The funny thing is that existing links to my SQL Server database open fine and display the data.

Has anyone experienced this issue and what was the fix.

Thanks.

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Queries :: Reading From Multiple Tables Through ODBC Connection

Jul 14, 2015

I am working on an MSACCESS database that reads data from SQL Server through ODBC Connection.

I have multiple tables that I have linked in and created Queries that read the data and created Make Table query.

However, I am asking if there's a way to bring the data through a query that doesn't need the linked tables. Is there a way to bring different fields from different tables into one query without needing to import all the tables, since the tables have many fields that I don't need.

For example in MS Excel, I am able to do that, a query that will bring external data from SQL Server from different tables and only brings the fields that I need for my report.

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General :: ODBC Linked Tables Losses Connection

Jun 13, 2012

Our master database has linked tables with ODBC to our SQL database and linked tables to another access database. On the computer i'm running this from a System DSN data source has been created to connect to our SQL database.

The problem I'm having is when I run Macros to kick off Queries, there seems to be some kind of timeout issue and its not consistant. Sometimes in Access after a hour or two, the ODBC links somehow just fails. I have to go up to the menu and go to 'Get External Data' and then 'Link Tables' and relink the ODBC DSN connection. I make sure to hit save password and the end but that doesn't seem to do much. This also happens sometimes when I close and reopen the database.

But it seems erratic, sometimes it can stay up for hours but sometimes just a few mins. Sometimes I can close the Access database and reopen without losing connection. Being so erratic, this makes it very hard for me to run batch files nightly to kick off Macros. Is there some kind of inactivty timer for DSNs? Or maybe with the SQL database itself? Or is the way i'm restablishing the ODBC connection wrong ?

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Tables :: ODBC Databases Do Not Show Up In Table Options

Sep 12, 2013

I have Linked a few ODBC Databases to my database in the Tables objects. How do I make them usable for queries or as record source for my form? I tried to create a query but the ODBC databases do not show up in the Table options.

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Tables :: ODBC Linked Table Showing Only MAX Date

Jan 22, 2014

Using access 2007 (and tried 2003) I have a linked ODBC table which is using an ORACLE driver. If I query the table directly through ORACLE/SQL for a particular 'job number' I get the following results:

18598979 3 06-DEC-13 10:10
18598979 0 03-DEC-13 10:34
18598979 1 03-DEC-13 10:34
18598979 2 06-DEC-13 08:20

However when I link the table through access and view the same job number within the table (not even using a query) it displays the following:

18598979 3 06/12/2013 10:10:00
18598979 3 06/12/2013 10:10:00
18598979 3 06/12/2013 10:10:00
18598979 3 06/12/2013 10:10:00

As you can see it only displays the MAX date/time and associated data from the 4 available records, duplicating the record. I've checked the field formats and they all look fine. It does the same if I pull through the table on it's own or with other linked tables.

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Linked Table Manager Doesn't Relink ODBC Tables.

Sep 15, 2006

Hello,

The scenario. Two PC's, one older than the other, both running Windows 2000 (SP4) and Office 2000 (SP3). I use Access as a front end to a MySQL database, connections are made using ODBC.
I recently altered the structure of a table and attempted to re-link the table in access using the Linked Table Manager on the new PC. All that happened was the hourglass came on and never went away. I tried to do this on the old PC and it worked fine first time.

Any ideas why I can't get it to work on my new PC? It's quite important as I won't have the old PC with me much longer :-(

Regards,

Matt.

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ODBC? I Think

Jun 11, 2007

We are using Access 2000 as our front end and SQL 2000 as the back end. We use ODBC to connect to the SQL database. One of my access 2000 programs was getting a little sketchy. So I created and new access 2000 database and imported all the modules, macros, reports, queries and tables. That all worked just fine accept now every time I open the new database it ask me to log in, I think it’s the ODBC connection. I have run table link manager, but it still asked me to log in. I have six other Access databases and none of them ask me to log in. So what am I missing?

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ODBC Connectivity

Dec 1, 2005

Hi,

Requirement - To generate a report from a remote database

Methods opted -
1. Excel
- Connect remote database via odbc connectivity for the required query
- Excel generates the report and it can be refreshed when required

2. Access
- Connect remote database via odbc connectivity using link tables
- Generate report by writing a query on the linked table
- Since it is linked, it gets refreshed automatically

I want to go for ms access option since database is increasing day by day and excel will not be hold it.

But linking tables takes more time. Can you please suggest to extract data from remote database without linking tables?

It is not required to link the database in real time ie., No automatic refresh of data is required. Periodic refresh is enough.
Not the whole table is required to be linked. Query which returns current year data from the database is enough to generate the report. So, is there anyway to link query in ms access? Please let me know how to connect remote database fastly?

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ODBC Failed

Feb 9, 2006

i am using access as a front end to SQL Server 2005 and link tables via ODBC.

Today when I run a query (normally works fine) I receive an ODBC Failed message box. I have tried opening each link table connected to the query and can open fine.

can anyone suggest other reasonf or this failure?

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ODBC Problem

Mar 8, 2006

Hi

I'm using Microsoft Query to get data from a MS Access database into MS Excel. It seems that whenever I pull data from a UNION QUERY or SELECT QUERY based on a UNION QUERY I get an error message:

"Too few parameters...expected 8"

Can anyone offer suggestions?

Thanks

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ODBC Failed

Mar 17, 2006

I am running a report that is built up of several backend queries.

I have identified the query that is causing the ODBC Failed message to appear, but cannot identify what is causing the problem.

I have tried to recreate the queries starting form the base query (which works fine).

Cannot anyone suggest anything?

Thanks

Paul

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ODBC Connection

Jun 21, 2006

Hi Everybody!

I am creating an Access database that will be used by multiple users. This database will be on the network and will be the front end of an oracle database connected to it via ODBC. Do I have to set up the ODBC to oracle only on the machine that hold the database on the network or do I have to set up an ODBC on each user's machine?

Thank you for your help.

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Access And ODBC

Aug 8, 2006

I am having a problem with an access database that is connecting to a sql server. When trying to run any queries it is very slow. I think the problem might be caused by the ODBC link and I was wondering if there are any alternatives to using ODBC to connect access and sql.

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