Backing Up/Recombining A Split Database??
Jun 29, 2005
I am wondering if there is a way to recombine a database once it has been split?
More specifically, I am going to split a database on our server so that different individuals can access it at the same time. I am wondering if there is a way to allow for a backup to be done such that if the server crashed, which I am afraid it might, we could recover our database without difficulties.
Is there a way to make a working backup of a split database if you change the directories that the different files are stored in?
Thanks for the help.
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Dec 21, 2004
Is there a way to automatically backup a database? Or is copying the mdb file the only way? Also..has anyone written any VB code that might do this when the database closes?
Any help is much appreciated.
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Sep 12, 2005
Hi :rolleyes:
I would like when I click a button for the system to automatically create a copy of the whole database and place it into a separate folder. How would I do this??? :confused:
Cheers
bikeboardsurf
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Oct 24, 2005
Hey, can someone help me out here,
I want to make my database so it is read-only for all other people who use it, besides me, as I'm the only one who really is making changes to it. Would there be a way to do this, perhaps in a multi-user environment?
Also does Access have a tool to automatically backup the database at regular intervals, such as the end of a day. I thought it had that feature but couldn't find it in help.
chris
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Jun 28, 2007
I'm posting this in the general area as it will eventually save nearly everyone a headache of mass proportions.
Any regular reader of these forums has heard myself and many others talk about the importance of backing up your data on a regular schedule. I've described my method in a little detail, and others have also explained their methods. However, almost without fail, there will be a post in here at least once a week about someone's DB becoming corrupted, lost, deleted, or otherwise FUBARed.
It used to be a pain in the butt to remember to back things up, to track CDs, etc. Lately, however, it's becoming increasingly more affordable to simply buy an external hard drive and schedule it to back up once a day, once every other day, or whatever.
I personally bought a 320GB external drive for $99 at a local giant electronics store, and it backs up my entire 300GB drive once a week at 3:00am every Sunday. Mine takes about 90 minutes to complete, but your mileage may vary depending on the size of your drive, what you decide to backup, etc.
I'm just passing along the information that it has become amazingly cheap to backup everything for very cheap, and you don't even have to think about it. It's just there as a just in case when you need it. There's nothing more frustrating than realizing that everything you've worked on for the past month is suddenly gone, be it to DB corruption, hard drive failure, etc. However, that is completely beat out by the feeling that it's backed up securely.
I don't have any vested interest in this stuff. Rather, there isn't much else for $99 that affords that piece of mind. Keep it in mind the next time you're proud of all the work you've done. It would suck to lose it, wouldn't it? ;)
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Feb 21, 2006
Is it possible to place a button on a form which will create a backup of the entire file? I add records to a db on a daily basis, and would like to make the process of creating a backup a little easier.
Thanks.
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Jun 9, 2015
Will copying the database file while it is still in use, cause corruption in the original file?I've read numerous places that you shouldnt copy the file while it is being opened by another user because you dont know what sort of state the db is in.How to interpret that sentence? Is the consern here that the copy may be corrupt, or that copying the db file corrupts the "active" db file?
I have a script that copies the file each 15 minutes. I also take regular backups manually simply by CTRL+C ->CTRL+V
I then check the "new file", and do a compact and repair. If nothing seems to be wrong, I save it in my backupfolder. Is this actually a problem?
But now, I read that simply copying a db file may cause corruption..Split db, backend about 10mb, 15 concurrent users, all users are writing to the db, all users have their own frontend.All users are on citrix terminal server.
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Jan 12, 2006
:confused: I have read a quite a few threads on spiting the database. My database is 50 Meg and running very slow. I have compacted and repair, still the same. This just happen all of sudden. Could that be possible?. What should I look out before I try to spit it?. It’s given that I will make a backup. I am running Access 2003. I have over 150 users.
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Aug 12, 2006
I am almost at the finishing line with a great deal of help from here.
I have now normalised the tables, built complicated queries, forms, reports, all from scratch as I knew absolutely nothing before I started with Access three months ago.
I have compacted and repaired the database using the wizard, and also complied the code and analyzed all tables, forms, queries, and reports and relationships.
The final step is to make it an MDE file so that it can go on the local network at work (not on the internet).
My questions are these;
Do I need to split the database into front and back ends?
If I save a copy of the original MDB file and then make it a MDE file would that not suffice in making it run more efficiently?
Can a split MDB database be made into an MDE database?
Any advice, as always, is most welcome.
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Nov 21, 2006
I have a database that resides on a file server share. I have split the database to create a backend. I then posted a shortcut of the front end to the desktops of two users who have access to the share. I then tried to access the front end from the two machines simultaneously. It opened on the first PC but not the second? When I viewed the server share it had a 'padlock' icon?
Where am I going wrong? This is the first time I have attempted this scenario!!
Thanks in advance,
Phil
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Dec 21, 2006
Hello,
Should splitting only be done when all tables,queries,forms,reports, etc. are done. Or can it be done anytime. I am almost to that stage but didnt want to jump the gun and run into problems later on.
Thanks.
I will have about 20 users sharing this.
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Dec 27, 2006
I was having a discussion with Rickster57 concerning my newly developed database, and he recommended that I split it so that it has a front end and a back end. Rick listed a number of very good reasons for doing this (so I will definitely do it). But I wanted to pose the question so I could get some of the reasons the more seasoned Access programmers have for creating a front and back end to their programs.
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Jun 29, 2007
I recently split my database and also used Bob Larson's Autoupdating tool. Everything appeared to be working fine until a few users were unable to access the db. I later found out that because they are at a different site, they don't map to the server that houses the database BE. However, even if they manually map to the correct server, they are unable to bring up the db Form. They get an error stating the BE "...is not a valid path". My questions are:
1) If I were to copy all the files (the Master FE, BE, and MDE) to a public folder that ALL users have access to, will everyone be able to bring up the database Form?
2) How would this affect what was already set up when I ran Bob Larson's utility (or even the splitting and MDE creation)?
3) Is there a way to "Undo" what was previously "Done" to this database (ie: Splitting, Larson Utility, MDE creation) in order to correct the issue, or do I need to start from scratch and split the database while it's on a Public drive.
I hope this makes sense. Thanks in advance for your help.
Michael
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Jul 2, 2007
Hi!
I just want to know that " How to split the Access database in Front End and Back End application"? I am creating a database that i want to store on server and simultaneously want to give access to 20 terminals (cleints) to access the database.
Secondly, I have to provide a field in a form "Document number". However as per the requirement user can enter "PIR No", "Serial No" or at times both as document number. Both the things "PIR No" and "Serial No" have different format types like "PIR No 001" and "Srl No001".
On basis of document number later i have to give the option to search the particular document. Please guide me how to provide the option to enter the field values.
Appreciate any help on above.
Regards,
Nick
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Aug 12, 2006
I am almost at the finishing line with a great deal of help from here.
I have now normalised the tables, built complicated queries, forms, reports, all from scratch as I knew absolutely nothing before I started with Access three months ago.
I have compacted and repaired the database using the wizard, and also complied the code and analyzed all tables, forms, queries, and reports and relationships.
The final step is to make it an MDE file so that it can go on the local network at work (not on the internet).
My questions are these;
Do I need to split the database into front and back ends?
If I save a copy of the original MDB file and then make it a MDE file would that not suffice in making it run more efficiently?
Can a split MDB database be made into an MDE database?
Any advice, as always, is most welcome.
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Sep 11, 2005
I am combining 12 Databases. I have split all 12 between the server and the desktop. My question is “Should I combing all of the data table on the server into one database or should I leave all of the individual application data tables in separate Databases on the server”. Additionally, is there a limit to the number of tables an Access DB can handle? My inclination is to keep the functionality separated but the problem I have is that some of the functionality within the applications overlap. Recommendations!
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Nov 9, 2005
'ello all,
The moment of truth finally came and I split my database FE/BE for testing only the truth was a bit sour.
Background:
I have several forms in my database that have a common series of buttons at the top which open their corresponding form. Before the split, everything was fine - you can click on the button and the desired form would open. After the split, I'm getting the error message:
"Microsoft Office Access couldn't find the toolbar 'EVM Database Menu'."
This is referencing a toolbar that I used during development to help jump to forms.
I tried removing the toolbar from each form (Tools > Customize > Toolbars > unchecked the custom toolbar), and re-split the database FE/BE ends, but to no avail..
So, I checked the event codes to be sure I didn't program something wrong. There are 9 buttons total to open forms, 7 of them give this problem, the remaining 2 do not. The code for the problematic and non-problematic ones are identical!
Example - Non-Working (error message re: Custom Toolbar):
-----------------------------------------------------------
Private Sub cmdActuals_Click()
On Error GoTo Err_cmdActuals_Click
Dim stDocName As String
Dim stLinkCriteria As String
stDocName = "frmDataActuals"
DoCmd.OpenForm stDocName, , , stLinkCriteria
Exit_cmdActuals_Click:
Exit Sub
Err_cmdActuals_Click:
MsgBox err.Description
Resume Exit_cmdActuals_Click
End Sub
Example - Working (no error message):
-----------------------------------------------------------
Private Sub cmdPerfProj_Click()
On Error GoTo Err_cmdPerfProj_Click
Dim stDocName As String
Dim stLinkCriteria As String
stDocName = "frmPerfProj"
DoCmd.OpenForm stDocName, , , stLinkCriteria
Exit_cmdPerfProj_Click:
Exit Sub
Err_cmdPerfProj_Click:
MsgBox err.Description
Resume Exit_cmdPerfProj_Click
End Sub
Questions:
So..this has nothing to do with code, it must be a problem in the linking somehow, right? A bug possibly? What else could be causing this? More importantly, is there a solution to my predicament that anyone could help out with? Searches so far have returned no help either from forums (including here), MS site (no Q-articles), and VBA Help. I'll continue searching though.
Any help would be appreciated. Thanks!
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Jul 11, 2006
Hi,
as an attempt to improve database performance, I have split a MS Access 2003 database. I have successfully split the database and saved the backend onto the server. My question is, where is the front end. or do I have to create it?
Cheers.
Ben
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Oct 3, 2006
I have a database that I've created for someone else to use. It's split into a front and back end. The user will be placing the front end on her desktop PC and the back end on a network server.
She also will be taking the database home to use from time to time. My problem is that when the database is split, upon opening, it looks for the back end on the network drive, which is unavailable when she's away from the office.
Is there a way to tell the Access to look in a directory relative to the one it's in?
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Jan 5, 2007
I have a call tracking database with 5 active users. Ocasionally the database will freeze, usually for several people at once. It will say:
"Can not update record; Currently Locked"
The only way to fix it is to close and re-open. I split the database, compiled it and then created an MDE file to distribute. They are using copies of the front-end, not links. The database locking more and more every day. But we are using it more. After parusing the forum I'm starting to suspect that this is a problem of "Primary Key duplication" If everyone trys to create a record at the same time, would the database lock because we all created the same record at the same time?
If so, how do I get around this? Use something other than Autonumber for the primary key? Or is this an entirely different problem?
By the way, my record locks are set to "No Locks"
Thanks!
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Mar 28, 2007
Hi all,
I have noticed that ever since i split my database there is a considerable slow down of load time!
When multiple users are on, it is also incredibly slow. is there a practice to follow to speed up the database? each user has their own front end, so im not sure if there is something else that can be done to speed it up
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Nov 20, 2007
Hello..
I am new to split database format... If I put the backend on say windows server 2000 or 2003 in a folder, is there anything else I need to do? Any setting on the server?? Or do I need a specific type of server os ie sql server etc?
Thanks
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Jan 9, 2008
I have a relatively small database of approx 28 MB - for 5 users max on Access 2007 -since the upgrade from '97 I have noticed a significant degradation in performance over the network - not so much on my machine which is the server/host machine but on the clients. All are Pentium/Celeron processors and recently I have beefed up the working memory to approx. 750MB/ 1GB on all these machines.
Even so, on occasion, I might type something in a field on a form - Access seems to 'fall asleep' for 10 seconds or so and then wake up again. Indeed, the window caption states (Not responding) .... This is not happening all the time but enough that when it does happen it is particulalry frustrating. Has anyone else had a similar experience?
I am thinking of splitting the database into a front / back end to resolve this issue but perhaps it is not a network traffic problem / the database isnt really that big considering others that I have read about on the forum that run into 100 of MBs! - can anyone suggest this a sensible idea / or could I regret at a later date?
Thanks for any help/suggestions you may have.
Guido
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Nov 24, 2004
Hi All,
I have a split database. One of the processes I've
created, copies a new table from a previously created
blank table. It then imports data from an Excel spreadsheet
into the newly created table. My problem is that now when
the import occurs, the data is getting imported into both
the new table as well as the blank table. For some reason,
this only occcurs after the database is split. I've tested on
a backup copy that is not split and everything works fine.
Any ideas please?
Thanks,
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Dec 8, 2006
I have this problem. I have successfully split a database into a front end and a back end database. Well it has been going great for about 2 weeks now but the thing is I would like to take the database home over the weekend to work on it. I don't know how to properly put a split database on a CD. Every time I tried copying it, I get an error when I get home and try to use the CD. Can someone point me on the right path.
Also one more thing, is it possible to have a password on the backend database to protect the information from snoops?
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Aug 18, 2014
So I split my database into a front and back end, now i wanted to add a table to the database. I created the table in the backend but I am not sure how to make it appear in the front end. I am using access 2010. I tried the link table manager but the table I created doesn't appear there.
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