How Many Users Can An Access Db Handle?
Nov 5, 2007
I'm responsible for an Access 2000 database which three people have open more or less constantly and another four open from time to time.
The database is on a P2P network and is split, with the back end in a single location. The network is wireless.
At the moment there are no problems with this setup but changes are being contemplated which will mean that eight people will have the database open constantly with another four using it occasionally.
For other reasons ( There were only three other wireless networks within range when we started, now there are eight), we are switching the network from wireless to cable. The back end will be transferred to a new PC with a powerful processor and loads of memory.
Does anyone have experience of allowing that many users to log on at the same time in a P2P network? And was the experience good or bad?
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Nov 4, 2014
I have below table in SQL Server which i have linked to MS Access 2010.
Create table test
(
col1 int not null
col2 int not null
)
Insert into Test values (1,2)
Insert into Test values (1,'')
Now when i link the table to access database and open up the table i dont have any issues with that. I tried to copy the test table data from access table and paste it to another access table which is linked to sql server with same schema structure thats when it says "You tried to assign the NULL value to a variable that is not a variant data type"..Its treating the blanks as NULLS when copy/paste the records from one table in access to another.
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Jun 3, 2005
:confused: I need to find a way using macros to accomplish this task: I am trying to set the LimitToList property as a YES, and enter data that is not in the list already, but instead of the NotInList property giving me the following error "The item you entered is not in the list. Please choose one from the contents of the drop down box", I want to branch to a macro entered at theNotInList property to branch to that will eliminate the error, and give me the opportunity to enter my own message with options for the user to enter the item into the list, or try to choose an item from the drop down box instead. I want to do this with a macro if possible. I have seen many VB solutions that purport to solve the issue, but to be honest, I am not very well versed in VB procedures. That's why I would like to do it with a macro. I am very competent with macro procedures! Please help ASAP. Thanks.
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Aug 30, 2006
I searched and doesn't seem to find anything about that question.
I am aware that there are forms that help with building dynamic queries for end users who need to juggle their data, but wondered if allowing them to access QBE would make everything easier (why reinvent the wheel?), and whether it is possible to restrict QBE from doing action queries or using dynaset to restrict end users from updating via queries which may circumvent the rules written in forms for the given data.
Have anyone had designed database with users having access to QBE? If not, how do you provide as much functionality without practically having to re-invent the wheel?
Thanks.
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Jun 9, 2005
Has anyone got any ideas of programs that are avaliable to kick users of a database in Access remotely?
Our Programmes team have a program which will do this and it doesn't involve any tables, etc within the database but they won't tell me whats it called or provide me with a copy of it!!
Anyone got any ideas?
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Aug 16, 2005
Is there a way in Access 2000 that I can set up a users table? Basic info:
Name
Phone Number
Fax Number
Then every time the database is opened they are prompted for their name?
I have a database that has a Fax Cover Sheet within the DB, when they click the Fax Cover Sheet Form I want their information to automatically be generated into the form based on the information from the original table.
Hope this is clear. Thanks.
Travis
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Nov 29, 2006
I want to make an Access database of my collection of antique swords that I can put on a CD. This DB would also include as many as 5 digital images for each record.
Some of my friends may not have Access 2007 on their PC. Is there a viewer that I can put on the CD with my database so they can view it without them having to buy the Access program??
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Apr 19, 2007
Hi guys,
I'm having some issues with a database that I have created. All this time only one user would be in the database. But now I have 2 to 3 people at a time in the database. I get an error and its not letting the users put any information in.
I have it split into a FE and BE. I have it set to share. Any thoughts or suggestions?
Thanks a lot!
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Jul 11, 2005
Hi, here's the scenario...
I'm building an ASP based email application which is to send emails to different user groups. The email addresses in the database need to be able to be assigned to more than one user-group, and an administrator needs to be able to add user-groups to the database.
So effectively, there may be hundreds of user groups and hundreds of users.
What is the best way to store this info in an Access database? Do I let the administrator create a new table column in the userEmails table whenever there is a new user-group added, or do I store a series of userGroupIds in a text field along with each email address and delimit them so that I can split them into an array?
I'm really not sure how to go about this, so any help would be much appreciated.
Thanks...
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Jul 10, 2006
Hello,
What is the best way to handle notes on a form?
The DB is for recording Quotes and Orders taken over the phone.
Is it best to have a seperate table w/ a NotesType field so that all notes are stored in a central location? Or is it better to store notes for each quote/order in the Orders / Quotes table itself?
Also, if data is entered into these fields using subforms, is it possible to have the notes displayed outside of the subform in a box format, to allow plenty of typing room?
If anyone has a good example of a smart notes system implementaion, it would be very appreciated.
Thanks!
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May 25, 2005
I have Four tables, CustomerTBL(holds all the customers for both companies); NoteTbl; AgeingTBL1 (this is for one company) ;AgeingTBL2 (this is for a child company)
I need to keep the 2 ageings seperate.
I want to creat a form from the customer table (so you can make edits to contact info and such)
Then I would like a subform with the ageingtbl1 and the note table to be linked together, but I only want the records from the customer table and note table to come back that match the ageing for that perticular customer.
I think I made this more confussing then it needs to be
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Aug 13, 2007
I have a parent form (called PR_CR_Form) that has a subform called SubFrm_DefectClassification. I am trying to log all changes to the Access database. I am using the VBA code from the Microsoft website for article 197592. It works great. However, it only allows me to capture the changes to the main form. The VBA code has the following statement:
Set MyForm = Screen.ActiveForm
This makes MyForm point to the parent form (PR_CR_Form). What I would like to do is to make MyForm point to the subform (SubFrm_DefectClassification). However, I can't seem to do this. I tried the following:
Set MyForm = Forms!PR_CR_Form!SubFrm_DefectClassification
but this didn't work.
I would very much appreciate it if someone could please tell me how to do this.
Thank you!
-Al Oberneder
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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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Mar 12, 2007
Hi,
I have a database that i created for our tech support team. I have split the database and have given the 3 users each a shortcut. I als e only installed Access Runtime on their machines.
The first user in pilot testing had no issues and we have just added the other 2 users. At first all was well. However, the 2 new users are now having periodic lock ups where they go to enter a new record and the dbase freezes on them. It seems to release itself in a few minutes, but this does not help my productivity.
My original user is still not having any trouble. Does anyone have any ideas of something that perhaps I missed? Everything I have read, suggests that 3 users should not have any trouble using a split dbase.
Is it runtime that may be causing this? I have considered going to full versions if need be, but then I would need to figure out how to lock it down better.
Thanks
Dave
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Jul 29, 2007
I have developed an application for a friend. We live about 100 miles apart in the UK. The database (Access 2007) works perfectly for us, I input data from various sources and he views the reports I've designed that show him exactly what he wants to see.
Now I want to move to the next phase which is I enter data from my PC at home and he then views the reports on his PC at his home.
Any advice on how I can do this, at low cost,
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Nov 23, 2007
Hi everyone,
I just want to have information about the concept of using an Access application with different users at the same time.
Thank you for help,
Nizar
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Dec 13, 2007
I am trying to get a feel for how Access 2007 performs regarding the ammount of concurrent users using a database.
I know there has been a lot of differing opinions about previous version and was wonder is the new version of Access (& I would guess Jet as well) is more stable with multiple users?
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Feb 13, 2008
Hi, Guys
Im just wondering what the maximum number of simultaneous connections to an ACCES 2007 DB over a network,(obviously a mapped drive).
I apologize if this is a double post....
Cheers
Tristan F
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Mar 18, 2008
how can i change a database to allow multiple access?
is there a downside to doing this?
eg. if two or more people are trying edit the same feild???
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Jan 2, 2007
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I maintain the Access databases at the hospital that I work at. Last weekend, our server went down. Computer Services got a new server and reworked the networking permissions. However, Access will no longer allow more than one user to open the database at a time. This is a problem because we always have multiple users that need simultaneous access. The default is still "Open Shared" and I checked to ensure that the databases are not being opened exclusively. However, the message that I do get when a second user tries to open the database is:
The table 'MSysAccessObjects' is already opened exclusively by another user, or it is already open through the user interface and cannot be manipulated programmatically. (Error 3008) -
I understand that this message usually comes up when I try to open a table that is already being edited elsewhere. I have the record locks set to "edited record". However, this is a system file, so I am hesitant to make changes in it unless I know exactly what I am doing. This is a problem that we have never had before but for some reason was created after our server went down. I don't know why something changed or if this table is absolutely necessary. I am unsure where to start to solve the problem.
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Dec 9, 2013
I know that Access probably permits around 20 or so users to simultaneously access the database before it start to become unfriendly. However, I have a database that would require 200 or so users grabbing around 1,000 rows of data via an Excel ADO connection to the backend tables.
So they would never need to physically go inside the Access database its self, but instead it would garb data by opening an ADO connection to the database > Grabbing the data > Closing the database connection.
Is this okay to do with around 200 users simultaneously querying the database tables via an Excel ADO connection?
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Oct 27, 2012
I am about to allow users to access a database I redesigned for others to use.I am trying to save it as an ACCDE so they can't mess it up. The database is very very simple.6 tables each with only 4 fields or less... and none are related to one another
7 forms.
1 report.
0 queries... it's just a SKU generator.
When I attempt to save as ACCDE I get an error that reads."Microsoft Access was unable to create the .accde, .mde, or .ade file.This error is usually associated with compiling a large database into an MDE file.* Because of the method used to compile the database, a considerable number of TableID references are created for each table.* The Access database engine can only create a maximum of 2048 open TableIDs at one time.* Exporting a database as an MDE potentially can exceed this limit if the database has a large number of objects (table, macro, form, report, etc).
There is no accurate method to estimate the number of TableIDs the Access database engine uses during the process of compiling a database as an MDE.* However, each VBA module and each form uses one TableID, as a result, if the database has 500 forms, and each form's HasModule property is set to Yes, as many as 1,000 TableIDs are used."
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Jun 2, 2015
This morning I accidently ran the "User-Level security wizard" on a secure database that we use. I meant to add a member but clicked the wrong thing and followed suite by hitting "Finish" instead of cancel because I wasn't paying attention. Aside from creating a "Security.mdw" file which isn't being used at all, it also somehow managed to lock everyone but the administrator out.
I checked the Users/Groups and Permissions, they are all there and correct, nothing seems to have been changed at all but when anyone tries to log in now they get the following error:"You do not have the necessary permissions to use the '...mdb' object. Have your system administrator or the person who created this object establish the appropriate permissions for you."
I've read some posts with similarish issues that recommended recreating the .mdw file and importing the data over. The file is encrypted so I wasn't able to do that but I did try making a copy and renaming it then changing the path in the Access shortcut to the copy instead. What all files/settings handle this and if the Users/Groups show up correctly in the database, what could be preventing the users from getting in?
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Sep 8, 2011
I have an MS Access application for about 40 users. The problem is that the company does not want to have to buy all these licenses and put it on each machine. Also because each person had to bring in their own set of data multiple people cannot be hitting this at once. So they want to know if there is a way to allow the people to use it without having the application on their machine; and thereby saving the money of buying 40 licenses.
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Dec 3, 2006
Hi guys,
I've noticed a few posts on the subject of images but there's lots of different scenarios and I'm hoping someone with far more knowledge can give me some basic pointers for my specific case so I can research it more fully.
Basically part of my database is storing properties, then there's a separate table for property photos as each property can have between 0 and infinity photos (theoretically, the max. is likely to be between 5 or 10).
From my understanding so far it will be best to store a path to each picture as a text field in the database as we're looking at 100+ photos easily from the start which I understand would cause a huge database using OLE linking.
I've got a couple of articles on how to take the path and display it as a picture on the form, not tried it yet but had a read through and it all seems fine.
What I need to ask is the best way to do a couple of things...
When viewing a property via a form is it easy-ish/possible to display thumbnails and captions for all the associated images? Could it then be set up so you could click each image to view it full size?
I need a slightly more user friendly way of adding the photos than just typing in file paths. What I imagine the cleanest way would be blank boxes which you'd click, get a Browse... window to pick the image then once you'd picked one it would place a thumbnail in the box, or something similar. However I'm not sure how well that would scale to a non-specific number of images (ie 0 - 10).
I have no fixed specifications for displaying/adding these images so if you have other ideas/ways of doing it then please suggest - the above is just what I imagine would be 'nice' - if it involves way too much coding then it's not worth it at this stage.
Any help / pointers would be most appreciated :) Let me know if you need more info.
Chris :)
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Dec 10, 2007
Any suggestions on how to handle delimiters when creating an SQL query string?There's a query form with a number of text boxes. User can enter text in one or more boxes. The VBA code checks the text boxes and generates the query string from what's been entered.eg. strSQLString = "SELECT * FROM [myTable] WHERE [Surname] = ' " & txtSurname & " ' "If the user enters a name such as O'Neil this will result in an invalid SQLString because of mis-matched single quotes."SELECT * FROM [myTable] WHERE [Surname] = ' O ' Neil ' "How can I handle input text which may contain delimiters?
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