VB Frontend, Access Backend, No Relationships?
Apr 2, 2007
I am evaluating a program for the use of a customer. It's a VB frontend attached to an Access database.
The backend has no relationships. No table in the backend even has a primary key.
My question: Is this scenario acceptable in any way?
I tend to think not, but am unsure whether the design of the frontend application establishes relationships "on the fly". Even if so, the fact that there are no primary keys makes me think I should dismiss this application out of hand.
Thanks
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May 28, 2014
I created a database a few years ago and it has been working well. This database is split.
Recently I started to update the front end based on user feedback and I am adding some queries.
I am noticing that sometimes I try to create a new query and Access tells me that the tables that are involved in the query are not related. Sure enough if I check in the front end, the table relationships are not the same as those in the back end and while the table relationships I need exist in the back end, they do not in the front end.
While the relationships were initially created in the unsplit database, it is possible that I added some of them later during past development/updating processes when the database was already split. This is the only reason I can think of for them to be different.
When I add a relationship in the back end (new table or bug fix) do I also need to add it to the front end if the database is split? if not, why would they be different? What kind of issues can this create?
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Nov 18, 2012
I am very good at excel and can program macros. I am being asked to build something in access for my company, or at least manage a build. So here is my question... If we build it without both a front and back end, is it easier to take what you have and switch it to a front and back end? Also, when and why is it better?
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Mar 31, 2015
If I want to distribute a front end to connect with a MySQL back end ... do I need to set up the system DSN on each workstation that will be using the front end?
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Jul 17, 2012
If I have an MS Access frontend that connects to an MS Access backend, is there a way to hide/permission block the pathway to the backend's folder but still allow access via the frontend db?
Right now I can't dedicate a server to a more "secure" form of DB or anything like that so I'm stuck with MS Access for now. I just don't want someone looking at, say, a link table path and then navigating to that folder and getting access to backend information.
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Jun 24, 2005
I have created a form that I want to share with other people. They will never add or change any of the data - they will only use the form as an information source. I need to be able to access the database to add/change information.
What is the best way to do this?
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Dec 10, 2004
Hi Experts,
I am trying to develop a multiuser database. I heard that in a multiuser setup the back end should be on the network and front end on the users machines. Could anyone please explain what is these back end front ends and how should I set it up.
And one more (silly) question... Do we really need MS Access to be installed in the users machines in order to do this?
Any help is appretiated..
Thanks,
binjos
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Dec 8, 2005
I have a database split with a frontend (FE) and backend (BE). Both reside on our network. I give a copy of the FE to all users. The FE is linked to itself so if I make a change to the network copy the next time a user opens theirs it tells them to close down and it recopies itself. This works really good. The problem we're having is people going and making a shortcut to the networked FE. So WHENEVER they open their FE everyone gets a message saying to close and recopy. The database is about 10mb but for someone across with a slow intranet connection it can take a bit to download. I'm looking ways to prevent users from accessing the networked FE. Can you simply hide it?
Thanks,
DT
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Jan 31, 2006
Hi!
I´ve just made a frontend backend solution with a db i Access2002.
I made this because my users 5 persons have a booking system wich they use at tehe same time.
But the db locks all the time... I thougt we would get rid of that problem now.
Is there something I have to check?
I have some lookup tables, can this cause this kind of trouble?
Jack
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Apr 18, 2007
A simple personal database created by me is to be deployed on a home network having two PCs. I did splitting to FE and BE. The BE shows only tables. I would like to have the guidance of experts in this forum for the following:
1. Whether BE to be copied first in the host PC?
2. FE to be copied in the other PC?
3. After copying the Access DB how to link FE and BE between the two PCs?
4. Whether data entry, edit, search etc. possible from both the PCs?
5. If I test with dummy records, how do I delete dummy records, from BE or FE?
Shall be grateful for help.
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Feb 3, 2008
At work i have a newtwork of computers each with a frontend of my database on it and 1 computer with the backend on it, once there's about 8-10 computers using it, it wont let anymore in it saying something like unable to open, exculsively opened etc. How to i get round this?
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Nov 2, 2006
Hi,
I'm wondering about the following.
If I would have a backend table with the data kept in tables and a frontend database with forms and reports and queries etc. and linked tables to the backend db, what would be the right way to secure both.
In my situation I have salary information in some of the tables, which should not be wide open to the holy world. I also need to restrict the access of some queries and forms in the frontend database to different users. That means I need to set up a secured frontend database with different usergroups having different object permissions. So in that frontend database the Users Group and the Admin User do not have any permissions any more. Thats why I created a shortcut where I kept the database and workgroup information in the target. Every user needs to open the database via the shortcut.
Unfortunately I was not able to secure both the backend and the frontend database, because the linked tables in the frontend db are only pointing to a database not to a shortcut. Because the backend database is secured as well (no permission to Admin and Users any more) it can't be opened directly - only by shortcut.
Am I right that there is obviously no possibility to have a secured backend and frontend db via the Jet database engine and Access?
I hope somebody can answer my questions. At least I know that I can't do anything else and I did not something wrong ;)
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Jun 26, 2007
Wondering if anyone had tried this yet, and if so, encountered any problems. I have a few existing DB's in the office. Split with backend on server in mdb format. I am now using both 2003 and 2007... BUT.. Now that the runtime is out I would like to make my future updates in 2007. So the question is... Has anyone used a 2007 file format frontend with a 2000 to 2003 file format backend? I understand that the new field properties wouldn't be available in the mdb backend, but besides that, would they still link properly?Thanks
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Apr 12, 2005
Hello all
I have a "Read only" frontend and Backend as 2 different files on the LAN shared drive.
i have around 50 users logging on to this to view information (No editing allowed by the user).
I read on some of the previous forums that Multiuser frontend does not work that well. I want to know if this is true even if my users are in read only mode??? I have tried with 3 users and it works with out a hitch. i just want to be sure before i roll out this to the entire 50users.
thanks
soni
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Jun 22, 2006
Hi people,
Does anyone knows the difference between frontend and backend database? I look 4ward to hearing from any database expert.
black85
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Jan 12, 2012
I have a backend-database on a network disk shared by 6 users. All users have a frontend client wich they use to administer the datebase. Everything in the frontend looks ok and they can query the latest data. However if I open up the backend database tables nothing has been updated since the middle of december. If i make a copy of the backend I can open it up and create new posts with ID-numbers that has already been taken by the frontend.
Ofcourse I have doublechecked that the clients are connected to the right backend file (there's only on backend file in the directory).
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Nov 22, 2007
Hello everyone,
I was looking for a great way to link and relink BackEnd to FrontEnd and I sort of found it.
Bob larson build a great extensive tool to autoupdate backend en master frontend. You can find his great post here: http://www.access-programmers.co.uk/forums/showthread.php?t=111132&highlight=back+end
Here is my problem or wish is more appropriate.
I just want to relink the backend and if the backend isnt found I want to select it using the filedialog.
Who can help me...
Perhaps you can Bob???
I included the file
I realy hope that you can help me guys.
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Apr 3, 2008
Hi all,
I have been building an access database at work which would be useful to share with eveyone else at over the network or live server.
Is there a front end I can get for it, or is using the access file itself the only alternative. All i know is html, css and actionscript - so I don't think I can use this. It would have to be pretty basic - I have no idea what kind of technologies are available for me in this regard.
Any suggestions or methods would be very much appreciated!
Cheers,
Doug
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Jun 28, 2007
Hi all, 1st post. I'm and Access n00b I'm afraid, so take it easy. I normally use php/mysql, but have been roped in to fixing a broken access database.
I've got an Access database, and a fileserver is holding the data (mdb file), but I've got around 10 machines which access the database thru a frontend (mdb file).
Now, this has been working fine until today, where I am trying to view one table (Orders), and access bombs out. It shuts down instantly with no warnings. It does this on every machine, so I think it is a database problem. I can view the data if I open the standalone data file, but I cannot view the data thru the frontend.
I need to fix this asap... what's causing the crash? I didn't make the front end, but if I could look at the code, I may be able to see where it's failing.
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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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May 4, 2007
I have an MS-SQL backend which i use for my data source. I then use Access for reporting services. (It works so much better than SQL Reporting Services 2005).
this seems simple, but i can't get it to work. Everytime the users start up access, It pops up a login and password for the ODBC link. Even when i have the password and login setup in the ODBC DSN, it still requests it everytime you start connecting to the datasource.
Is there anyway to somehow hard code this into the Access front end somehow so i don't have to give the password to the users?
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Jul 6, 2007
I'm currently researching on how to best migrate from Access back-end to a SQL backend, and was able to find wealth of information on how well Access can play with various SQL servers, how ODBC drivers are implemented, and how JET handles queries to backend. If this helps matter, I'm considering using MySQL as a backend.
That said, there are some gaps in my research that I'm hope someone will be able to fill in for me.
1) I have couple of queries that may use Access's custom function not otherwise supported in SQL servers. If I based the query on otherwise executable query, would JET be able to pass the sub query to SQL, and get the recordset and apply the next query using custom functions without any problems?
2) In general, DAO is best when you're using JET, but ADO is best for ODBC. I'm not clear whether it's possible to use a mixture of ADO and DAO, provided I've disambiguated the library (which I already did anyway) to make even efficient use of recordset. For example, I'd use ADO to work with data from backend and once it's bought over here, switch to DAO for faster handling by JET. Is that possible *and* advisable?
3) I found lists about limitations or problems that may arise due to differences between Access and SQL, which is good to know. However, I never found any answer as whether VBA may cause problems with using SQL data. Let's say I have a form that has lot of VBA coding to handle calculations, multiple selection in listbox to be added to a junction table, dynamically changing rowsource for a combobox, whatever that is based on a query that otherwise runs fine with SQL server- will the form still work just as fine or are there going to be any surprises after migrations?
4) Somehow related, if this is supported by whatever SQL server I may use, would I be better advised to use stored procedures in place of VBA for Access forms?
Thanks for your feedback. :)
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Feb 10, 2015
I have two laptop computers. Both have Access 2010 installed. Both computers are on the same Workgroup and each computer can access files on the other. Computers are connected with wireless connection. Computer 1 holds the backend data while computer 2 is used for data entry and connects to backend on computer 1.Both computers are used for data entry, and as I said, data is stored on computer 1 only.
Here's the problem. If I enter data on computers 1 and then open computer 2 I cannot access the data unless computer 1 exits and then reopens. If computer 1 does not exit and reopen I cannot access the data from computer 2. In addition, if I enter data in Computer 2 and save it then computer 1 can see the data and all is well. So, for everything to work I have to start the data entry in computer 2. If I start data entry with computer 1 then I have to go through the save and shutdown process.
I have tried requery and refresh, refreshpage, refreshrecord, etc, but with no success.
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Jun 16, 2005
Im totally new at all this stuff, so any help is appreciated.
i have a database with one table that has many different attributes and almost 3000 records. this is all i have done, i have simply been loading in all of the data to the table, now that that is done i need to allow users to extract the data.
so, what is the best way to build a front end that allows the user to easily extract data from the database? ideally, i would like to have some sort of front end that would have a text input window where they could search for records matching attributes in the table that match or are close to the text they type in, with some additional options for honing down the search terms with dropdown menus, radio buttons, etc.
the problem is i really havent a clue on how to do that stuff. can anyone just give some general, beginner type steps for things i should be doing to create that "front end" i am visualizing. THANKS!
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Oct 7, 2005
HI:
anyone got any suggestions about using access 2003 tables as the backend and swishmax as the frontend. Thanks in advance.
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Jan 12, 2006
Is it possible to do this?
if so what kind of connections would i use?
and how would i connect?
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