Performance With Access Frontend ?
Jun 22, 2004
Hi,
we are having performance problems with a pure MS Access database across a WAN.
As a test we want to setup a MSSQL server , move the data to the server and run the MS Access clients through a ODBC interface.
The application uses much SQL methods to get the data ( docmd.runsql commands ). Only a few native queries are used.
Will this help the performance ?
If not , what do i need to do to get a better performance ?
It is a lot of work to build a new application so if it is possible whith the existing code it would be very nice .
Thanks in advance.
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Jul 23, 2005
Hi,Simple question: A customer has an application using Access 2000frontend and SQL Server 2000 backend. Data connection is over ODBC.There are almost 250 concurrent users and is growing. Have theysqueezed everything out of Access? Should the move to a VB.Net frontendtaken place ages ago?CheersMike
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Mar 5, 2007
hi can you help me?
i need to make an access frontend to read specific queries from my sql server 2005 express backend.
how can i do this?
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Dec 2, 2006
I have a database with a sql backend and an access frontend. I put it in a folder on the network for users to access. First, they were getting errors like not being able to access the database if someone else had it open and not being able to perform certain functionality. It was suggested that i put a mde on each of the users pc. i gave them all access to their own front ends on the folder because they use different pcs. this solved the problem. however, i need a way to perform updates without manually creating mdes for every user. i used to work for a co that there was one mde was put into a folder on the network with a config file. The users access the database through CITRIX. Whenever they accessed the shortcut on the server, it created the users their own front end. Whenever we need to provide updates, we simply made a new mde from the mdb and whenever the user accessed the database again, they would have the latest mde and it would created an update frontend for the user. Does anyone know of such an utility or know what I am referring too? I encounted several suggestions like a batch file; but they refer to putting the file and the mde on each users pc. This is not how i'm set up. Thanks
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Jun 15, 2001
Hello. I have an Access 97 frontend and a SQL 7 backend. When I try to open up the linked SQL tables in the frontend I recieve the error " This recordset is not updatable" from Access. I have the permissions in SQL set at this point to public having all permissions but it still does not change my problem. Does anyone know the answer?
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Nov 9, 2005
Hi All,
I have recently migrated from Access to SQL Server. I have come across a strange problem. I have got a table in my database whihc is not linked to any other table, but does include data and is used from time to time for reports. It is more used as a sort of lookup table. Now I had the frontend in Access and I have retained it. So I connect all the SQL Server tables via ODBC to Access. The problem with this table is for some reason it wont allow to add new records on Access side. You can just view the contents, but cannot add anything to it e.g a new record, etc. I tried giving explicit permissions of Select, Insert, update, etc. but still no result. There are other look up tables as well, that have the same problem. Can anybody tell me why this is so and is there any way to fix it?
Regards:
Prathmesh
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Feb 1, 2008
My company is currently using access to manage equipment in 4-5 different locations. I want to move this to a sql database and have a front-end to do the same thing access is doing now.
Should I use access as a front-end or should I develop a custom front end using vb?
Just a fyi
5-7 tables
7-9 queries
10 or so reports and the front end is currently a switchboard that links to many other forms.
I'm looking for advice.
TIA
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Feb 23, 2006
I am creating a Access frontend to some SQL Server Tables. One of these tables has an int type field and several money type fields. I am trying to populate the table based on text boxes on an Access form. Because of other reasons instead of just using the SQL table as the record source of the form I am using "INSERT INTO" statements to update the data.
Here is my problem if I leave the textfields that are supposed to populate the int and money fields blank I get an syntax error message on the INSERT statement. If I populate the textfields with a 0 the INSERT works fine.
The int field and money fields are defined to accept nulls so why is the blank textfield generating an error message instead of inserting a null into the table?
Any help or guidance would be greatly appreciated.
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Jan 27, 2006
I have a website which runs off a Access database which I am currentlyconverting to sql server database. I would like to still use my accessfront end for reporting and queries..I created an odbc connection on my computer to the remote sql serverand created a link in access to my sql server tables. All my report andQueries run fine I just have one problem it keeps on prompting me forther password of the remote sqlserver database. I check the odbcconnection and I see the password is not saved in there even though Iput it in. Is there a way I can have the password saved. I do not wantkeep on having to enter the password.
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May 9, 2007
I have a ms acssess db acting as a frontend to a Sql Server 2005 db. I have need to have the db setup as a standalone to distribute with the application for times when the 2005 server is unreachable. I have a created CE db that replicates the 2005 version.
What I want to do now is put the CE db on the desktop with the MS access frontend. Based on a user's preferences the connection would direct to the CE version.
The CE engine is loaded on the desktop, I have modified the ADODb connection string to point to the CE db. When I run it I get an error that says: "The provider can't be found. It may not be properly installed."
Here's the connection string:cnxn: ConnectionString = "Provider=microsoft.sqlserver.mobile.oledb.3.1;Data Source=spcd.sdf;User ID=;Password=;"
Am I trying to do something that just isn't going to happen?
Rick
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Sep 26, 2005
Ok, little frustrated hence the excessive exclamation points.
I'm designing a database in access to use a sql backend. Table structures are setup and am creating a view to join multiple tables together for data entry purposes. Tables are joined properly but when I add more than one join, ie adding more than two tables, I can't add records!?!
I checked the joins, it's not the table, since if I add one table its ok, remove table, add another table and that works, but when I add both tables together, it prevents me from adding records!
And another thing, when I have just two tables joined together and add a record, it comes up with this save changes, drop changes or cancel thingie!!! WTF!!!?
Is there something simple i'm missing or is it my table structure????
Thanks in advance!
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Jan 23, 2004
Hi, this is my first post (hopefully of many) on this board. Just wanted to say a quick hello before I dive into my question. :)
As the title suggested, I have to develop a MS Access form app (yes, it has to be Access - I know it sucks) that will post and query data to and from a remote SQL Server db. While I have no problem linking the two through the default ODBC drivers, my question is security. Some (actually most all) of the data being passed back and forth is sensative information, and I would like to know the best way to keep it safe.
If anybody has any suggestions, instructions, or can redirect me to a good FAQ site on the subject, I would be most appreciative. I have already done a search on these forums for an answer, but have sadly come up short.
Thanks to all in advance!
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Dec 27, 2007
I have a sql server 2005 db.
Is there anyway I can link access to be used as a frontend by my client for viewing the data?
is this possible through linked table manager?
Please advise?
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Jan 7, 2008
Hi,
We are new Access users and trying to take our database live...here are some of the problems we're facing.
When we split our Access database into a Backend and Frontends, a couple of strange things happened in the Frontend:
1.) When we run our queries, multiple copies of the same record are displayed (this is wrong).
2.) When we look at those queries in design view, the field names are preceded by Expr1, Expr2, Expr3, etc.
We have a large number of queries. How can we fix this problem?
Also, if anyone knows any websites or resources that can help us understand what things like Expr1 mean (a reference) that would be helpful too!
Thank You!!!
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Jan 7, 2008
Hi,
We are not a very advanced group of access users and are trying to split our database for a research study...here is our question:
When we split our Access database into a Backend and Frontends, a couple of strange things happened in the Frontend:
1.) When we run our queries, multiple copies of the same record are displayed (this is wrong).
2.) When we look at those queries in design view, the field names are preceded by Expr1, Expr2, Expr3, etc.
We have a large number of queries. How can we fix this problem?
Also if anyone has a good source for trouble shooting this or simmilar difficulties we'd appriciate any spots or advice.
Thanks!
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Aug 20, 2007
We are using an Access 2000 project to view our SQL Tables and using Access 2000 Runtime to Access the forms in the project. We have written in a locking system in VB and removed the video controls to prevent users from accessing the same records. But of course now we need to make the video controls available. This has now thrown up the problem of multiple users accessing the same records. We have tried to write code to lock records when then video controls are used but this is not working as well as we hoped. Can anyone please suggest any way of setting up locking on SQL using triggers from the Access frontend? or any other types of locking systems that could be written in the Access front end.
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Apr 17, 2003
The database adminsitrator decided that we use access as frontend for the SQL server which is very annoying because I have a hard time figuring out how to perform certain actions such as drop table queries and so. I have written my own little frontend in coldfusion but I rather work with access for security reasons.
My question:
does anyone have experience with using access as frontend and knows how to use it effectively, or knows where to get a manual? (or even better, a better frontend)
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Jul 20, 2005
Hello all!!!For a year and a half now, we have been developing different Access2000 applications. Most of them are access frontend and accessbackends. Some of them have SQL server 2000 as a backend. There is oneapplication, which consists of a frontend and 3 backend mdb's.Different companies (80) are using the application:1. Companies with just one pc and one user.2. Companies with a Cytrix environment.3. Companies with Normal network (pc's with WIN 2000, XP, 98, etc).Recently another company wanted to use the application and thiscompany has over 50 users and multiple locations. The first thing thatcame into my mind was: "let's make another version of the applicationwith SQL server 2000 as backend", BUT the thing is, we actually justwant one frontend which can communicate with (with normal performanceofcourse) both the access backend and the sql server backend. Thisway, we don't have to solve problems in 2 frontends, but just in one.My question is, is there anybody who has tried making an accessfrontend being able to talk to different kind of backends?Any help would be appreciated.Wilco
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Apr 27, 2002
hi,
I am using Sql server 7.0.When i insert or update a record in a table,i need to
show a message in the front end ,that one record is added to the table.
I have written the queries for insertion and updation into the table in a storedprocdure.
Is there any way to return something from a storedprodure ,so that i can show a
message in the frontend, that a record is updated by someone..the updation will be
done in one machine(clerk's machine in bank) and the message should be shown in another machine(manger's machine in bank) who has more administrative power on the system.
does 'alert' in sql server help this.
Delphi is my frontend.
help
paul
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Dec 27, 1999
How can you optimize Access queries on linked SQL Server tables?
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May 26, 2015
When creating a frontend with a database behind that, how should i get the login rights for user working?
Can i create a user with a password in the database and assign it a role or how should i get that done?
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Mar 28, 2008
Hi!
I am evaluating an architecture for one of our project... a SQL database containing the data (backend) and a second database containing the development code (frontend) linked to the backend with synonyms.
It enables to upgrade the code without touching the data. Or to change the backend / use a different set of data at will.
Everything was going fine, the behavior was expected to be EXACTLY the same with synonyms as with real tables. But I came accross a problem:
Let's say we have a synonym (frontend) dbo.TABLE1 that points to a table (backend) with a IDENTITY column.
I have a sp (frontend) with the following code:
INSERT INTO dbo.TABLE1...
SELECT @SCOPE_IDENTITY = SCOPE_IDENTITY()
Well in that case, @SCOPE_IDENTITY is NULL!
Anyone has ever faced that problem? Should I use another function to return the last ID inserted? Or is it the backend/frontend architecture that is completely flawed? I also heard there's a way, by creating the tables and the code on different filegroups, to restore only the tables or the code...
Thanks for your input!
Frantz
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Sep 12, 2004
1. Use mssql server agent service to take the schedule
2. Use a .NET windows service with timers to call SqlClientConnection
above, which way would be faster and get a better performance?
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Jun 23, 2006
Hello Everyone,I have a very complex performance issue with our production database.Here's the scenario. We have a production webserver server and adevelopment web server. Both are running SQL Server 2000.I encounted various performance issues with the production server with aparticular query. It would take approximately 22 seconds to return 100rows, thats about 0.22 seconds per row. Note: I ran the query in singleuser mode. So I tested the query on the Development server by taking abackup (.dmp) of the database and moving it onto the dev server. I ranthe same query and found that it ran in less than a second.I took a look at the query execution plan and I found that they we'rethe exact same in both cases.Then I took a look at the various index's, and again I found nodifferences in the table indices.If both databases are identical, I'm assumeing that the issue is relatedto some external hardware issue like: disk space, memory etc. Or couldit be OS software related issues, like service packs, SQL Serverconfiguations etc.Here's what I've done to rule out some obvious hardware issues on theprod server:1. Moved all extraneous files to a secondary harddrive to free up spaceon the primary harddrive. There is 55gb's of free space on the disk.2. Applied SQL Server SP4 service packs3. Defragmented the primary harddrive4. Applied all Windows Server 2003 updatesHere is the prod servers system specs:2x Intel Xeon 2.67GHZTotal Physical Memory 2GB, Available Physical Memory 815MBWindows Server 2003 SE /w SP1Here is the dev serers system specs:2x Intel Xeon 2.80GHz2GB DDR2-SDRAMWindows Server 2003 SE /w SP1I'm not sure what else to do, the query performance is an order ofmagnitude difference and I can't explain it. To me its is a hardware oroperating system related issue.Any Ideas would help me greatly!Thanks,Brian T*** Sent via Developersdex http://www.developersdex.com ***
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Jun 22, 2006
Hello Everyone,I have a very complex performance issue with our production database.Here's the scenario. We have a production webserver server and adevelopment web server. Both are running SQL Server 2000.I encounted various performance issues with the production server witha particular query. It would take approximately 22 seconds to return100 rows, thats about 0.22 seconds per row. Note: I ran the query insingle user mode. So I tested the query on the Development server bytaking a backup (.dmp) of the database and moving it onto the devserver. I ran the same query and found that it ran in less than asecond.I took a look at the query execution plan and I found that they we'rethe exact same in both cases.Then I took a look at the various index's, and again I found nodifferences in the table indices.If both databases are identical, I'm assumeing that the issue isrelated to some external hardware issue like: disk space, memory etc.Or could it be OS software related issues, like service packs, SQLServer configuations etc.Here's what I've done to rule out some obvious hardware issues on theprod server:1. Moved all extraneous files to a secondary harddrive to free up spaceon the primary harddrive. There is 55gb's of free space on the disk.2. Applied SQL Server SP4 service packs3. Defragmented the primary harddrive4. Applied all Windows Server 2003 updatesHere is the prod servers system specs:2x Intel Xeon 2.67GHZTotal Physical Memory 2GB, Available Physical Memory 815MBWindows Server 2003 SE /w SP1Here is the dev serers system specs:2x Intel Xeon 2.80GHz2GB DDR2-SDRAMWindows Server 2003 SE /w SP1I'm not sure what else to do, the query performance is an order ofmagnitude difference and I can't explain it. To me its is a hardware oroperating systemrelated issue.Any Ideas would help me greatly!Thanks,Brian T
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Mar 17, 2008
Access Connection
create a new Connection Manager by right-clicking in the Connection Managers section of the design area of the screen. Select New OLE DB Connection to bring up the Configure OLE DB Connection Manager dialog box. Click New to open the Connection Manager. In the Provider drop-down list, choose the Microsoft Jet 4.0 OLE DB Provider and click OK.
Browse to the Access database file and connection set up---all good!!!
Dataflow task
Add an OLE DB Source component
Double-click the icon to open the OLE DB Source Editor. Set the OLE DB Connection Manager property to the Connection Manager that I created . Select Table from the Data Access Mode drop-down list.
I cannot see the tables set up as set up as pass-through table types to a Oracle 9i db
Any ideas please help
thanks in advance
Dave
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Jun 10, 2015
I have recently upgraded to SQL2014 on Win2012. The Access front end program works fine.
But, previously created Excel reports with built in MS Queries now fail with the above error for users with MS 2013. The queries still work for users still using MS 2007.
I also cannot create any new queries and get the same error message. If I log on as myself on the domain to another PC with 2007 installed it works fine, so I don't think it is anything to do with AD groups or permissions.
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Nov 12, 2015
We need to insert data/rows from a SQL Server 2014 database into MS Access database. The problem is, there are so many columns (100+) in the table and there are so many insert transactions of this kind (from different tables) that it is not very easy to write the code in VB.NET that lists all column names.
Both the Access and SQL Server tables have the same number of columns and the equivalent data types, so inserting is not really the problem. It's just that is there a way to do an insert statement in T-SQL that does not name all the columns?
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Oct 30, 2007
Hi guys,
I've been developing desktop client-server and web apps and have used Access and SQL Server Standard most of the time.
I'm looking into using SQL CE, and had a few questions that I can't seem to get a clear picture on:
- The documentation for CE says that it supports 256 simultaneous connections and offers the Isolation levels, Transactions, Locking, etc with a 4GB DB. But most people say that CE is strictly a single-user DB and should not be used as a DB Server.
Could CE be extended for use as a multi-user DB Server by creating a custom server such as a .NET Remoting Server hosted through a Windows Service (or any other custom host) on a machine whereby the CE DB would run in-process with this server on the machine which would then be accessed by multiple users from multiple machines??
Clients PCs -> Server PC hosting Remoting Service -> ADO.NET -> SQL CE
- and further more can we use Enterprise Services (Serviced Components) to connect to SQL CE and further extend this model to offer a pure high-quality DB Server?
Clients PCs -> Server PC hosting Remoting Service -> Enterprise Services -> ADO.NET -> SQL CE
Seems quite doable to me, but I may be wrong..please let me know either ways
Thanks,
CP
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Jan 14, 2007
When running the following statement in SQL 2005, I get the error message "Access is denied":
exec master.dbo.xp_cmdshell 'TYPE \SERVER-BSHAREFILE.TXT'
The following are true about the network:
The SQL Server is installed on SERVER-A.
SERVER-A and SERVER-B are Windows 2003 servers on the same Windows 2003 domain.
The SQL Server and SQL Server Agent services are running under the domain account SQLSERVICE.
SQLSERVICE is a member of the Domain Admins group.
The Domain Admins group is part of the local Administrators group on SERVER-B.
The SQLSERVICE account has also explicitly been given Full Control to the folder referenced by \SERVER-BSHARE
xp_cmdshell use has been enabled on the SQL Server.
If I run the following command in SQL:
exec master.dbo.xp_cmdshell 'whoami'the following is returned: DOMAINSQLSERVICE
If I change the command to access the c: drive instead of a network drive, it executes successfully.
Can anyone shed some light on why I still cannot access any of the files in this folder using xp_cmdshell?
Tim
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Feb 22, 2008
We have an application that requires write settings to reportserver virtual directory for the IUSR account when anonymous is turned on during the install. Once the install is complete, we lock down the IUSR account so that it only has browse access to the virtual directory when enabling anonymous access.
We automate the uninstall and install of our daily builds and I'm trying to figure out if I can automated this process somehow either through command line utility or in vbs.
Your help is greatly appreciated...
Eric
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Jun 23, 2014
i am currently working on designing a database for a bank as a school project for my database class. We have to draw up an entity relationship diagram, Sql tables, database size estimate etc. I am currently working on the security portion of the project. I need to list the groups that have access to my application and use a grid format to show access to specific tables.
I am currently working on designing a database for a bank as a school project for my database class. We have to draw up an entity relationship diagram, Sql tables, database size estimate etc. I am currently working on the security portion of the project. I need to list the groups that have access to my application and use a grid format to show access to specific tables.
Role Loans Payments Transactions Accounts Customer Emplo
Database Admin SUID SUID SUID SUID SUID SUID
Branch Manager SUI SUI SUI SUI SUI SUI
Internal Auditor S S S S S S
Loan Officer SUID SUI SUI S S
Tellers S S S S SU
Customers U
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