Multiple Users accessing the same core set of queried data

Hi. We have a small call center and we want to build an app where the users can query the same core set of data and use it to initiate calls to study participants. The trick is that they will also need to update each record with information from the call. So we need to stop two call center agents from potentially calling the same participant at the same time.
Is there a good method or best practice for creating a app to do this? The concern is that multiple call center agents would be querying the screen with the same core set of records (for example, querying by 'Ready for Call' status). When a call is placed the agent will have a conversation with the participant and ultimately end up updating the record after about 10 minutes. So my question is whether there is a good way to keep multiple agents from working with the same record (e.g. calling the same participant simultaneously)?
Right now it seems that Oracle will lock a record for update, but only after an agent has initiated a change to the record. This still leaves a window of opportunity for two or more agents to be calling the same participant at the same time.
Any thoughts or ideas on this would be greatly appreciated. Thanks so much.

By 'standard record locking system' do you mean there is nothing I need to do programatically? No block level properties to change?
So you are saying this is just the way it always works. So as soon as one of our call center agents opens a record all I have to do is create a pending update to any field?
But won't another user be able to open the form and just query that record not knowing another user has it open?

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What happens when multiple users access the same servlet?

Do the users share all the same resources? Or is a new process generated for each user? I have a servlet that builds a string to return to the user and I only have myself to test, so I can't really see what happens when many users access the servlet. Is there a possibility that the string will get screwed up, like when dealing with multiple threads, or do all the users get their own resources and I don't have to worry about that?

huh? if you can point a test servlet at it, you can point a browser at it (even if the servlet does not serve html it will run)
try pasting the servlet URL into a web browser
refreshing multiple browsers repeatedly could provide a manual test

Prevent multiple users accessing the same form

hi,
i am working in forms
i have a requirement like this
if more than one user are using the same form and try to access the same record then the second user should not be able to do transaction
he should be popped up with a msg saying that other user is working on it
can any one suggest how to do this in my form
thanks in advance
selvaraj s

That is pretty much exactly the way Forms works automatically.
Two users can use the same form, and can even display the same data record. One of the users can make changes to the record -- Forms locks the row upon the FIRST keystroke in the first field the user begins to change.
Once the row is locked, the second user is free to look at the record, and won't even know if another user has begun making changes. However, if second user tries to change even one field in the record, Forms pops up the message, "Could not reserve record (2 tries). Keep trying? Yes / No"
There are also protections so if the first user actually changes the row and commits, then the second user tries to make a change. Forms will automatically detect whether changes were made, and if so, will undo the change and issue the message, "FRM-40654: Record has been updated by another user. Re-query to see change."
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Multiple users accessing the same server.

Ok here is my issue, about 2 months ago I started having issues with Filesharing on my 2012 Mac Mini running Lion server (current update). We have 3 users that VPN into our conpany network and usually access the same folder, 2 months ago they started conflicting with each other. When one VPNs into the network and connects to the server they are fine, if the second one connects to the network they are fine but if the second one tries to access the fileshare they knock the second one off the server. The first one's connection eventually hangs and they have to completely disconnect from the VPN. I am wondering if this was caused by a patch or if there is something else going on. I have tried to reboot the server and checked the logs for anything but I am not seeing what may be causing this. I have restarted the Filesharing in the Server app and still get the same problem, the users are connecting via local credentials to the server. I don't think it is a password issue since either user can log in and access as long as another user doesn't so I am not sure what the issue could be.
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By 'standard record locking system' do you mean there is nothing I need to do programatically? No block level properties to change?
So you are saying this is just the way it always works. So as soon as one of our call center agents opens a record all I have to do is create a pending update to any field?
But won't another user be able to open the form and just query that record not knowing another user has it open?

Multiple User Accessing the same record issue

I am planning to design an app where we have the following use case requirement.
If a user who is logged into the system is accessing a record(plan in this case) anyone else who is logged into the system at the same time should be locked out of that same plan but should still be able to access other plans in the system. A plan has many things associated with it so the 2nd user should be locked out of everything associated to the plan being accessed by the first user.
What is the best way to implement this at the application or the database level?
Here are some options we have been bouncing around.
1. When the first user logs in and accesses the first plan we lock the plan at the app level using a singleton class which has one and only one instance on the app server. The plan_id can be put as an entry into a hashtable which can be in the session and is created if one does not exist. When the 2nd user tries to access the same plan, since the plan_id is still in the hashtable he would be locked out. However we somehow need to timeout the first user after 30 mts of inactivity or so so that others can access the plan and are not locked out for ever if the first user walks away from his PC or does not close his browser, thus keeping his session alive indefinitely.
2. In the database in the plan table we add a column for 'locked'. When the first entry is created in the plan table locked column is marked as 'yes' or 1 and when the user closes the browser we use some javascript to trigger an event which changes that 'yes' or 1 to 'no' or 0 thus unlocking the plan. However the big issue we see in this concept is that we will have to put a javascript onUnload method in all jsp pages in the app because the user could be anywhere in the app after starting his plan access after login.
Conceptually the 2 options are the same but one is done at the app whereas the other is at the database level.
Is there a better way to handle this scenario using transactions or some other technological option.
Thanks

Another solution involving no modification of the database structure:
As soon as a user want to access a plan, try to UPDATE the plan record... if it fails, the record was locked
by another user before. When the user has finished with the plan, you can COMMIT or ROLLBACK the changes, which will free the lock for other users.
An advantage of this solution is that if program crashes unexpectedly, there will automatically be a ROLLBACK.
Of course, you need a transaction for this... and perhaps more if you want to separate the 'locking transaction' (virtual update just for restricting access) from the 'operating transaction' (in which you will
do the DB stuff: inserts, updates, deletes, etc.)
Hope this helped,
Regards.

Please help! Multiple users accessing the same data sets

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We have two users that require to see the same set of data in the BPC Excel interface at the same time. The information is employees and date.
User 1 would like to see All Employee SignedData for 1 month, and User 2 would like to see just a slice of the Employees for 1 month.
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User B enters 20
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User B refreshes and also gets 20

Multiple users accessing the same data in a global temp table

I have a global temp table (GTT) defined with 'on commit preserve rows'. This table is accessed via a web page using ASP.NET. The application was designed so that every one that accessed the web page could only see their data in the GTT.
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Thanks!

DGS wrote:
I have a global temp table (GTT) defined with 'on commit preserve rows'. This table is accessed via a web page using ASP.NET. The application was designed so that every one that accessed the web page could only see their data in the GTT.
We have just realized that the GTT doesn't appear to be empty as new web users use the application. I believe it has something to do with how ASP is connecting to the database. I only see one entry in the V$SESSION view even when multiple users are using the web page. I believe this single V$SESSION entry is causing only one GTT to be available at a time. Each user is inserting into / selecting out of the same GTT and their results are wrong.
I'm the back end Oracle developer at this place and I'm having difficulty translating this issue to the front end ASP team. When this web page is accessed, I need it to start a new session, not reuse an existing session. I want to keep the same connection, but just start a new session... Now I'm losing it.. Like I said, I'm the back end guy and all this web/connection/pooling front end stuff is magic to me.
The GTT isn't going to work unless we get new sessions. How do we do this?
Thanks!You may want to try changing your GTT to 'ON COMMIT DELETE ROWS' and have the .Net app use a transaction object.
We had a similar problem and I found help in the following thread:
Re: Global temp table problem w/ODP?
All the best.

There are multiple users with the same display name

Hi,
We have a user and when she get an item assigned to her she sees the following alert:
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SELECT
[ProviderDisplayName]
,[DisplayName]
,[HasDisplayName]
,[Domain]
,[AccountName]
,[UniqueUserId]
,[LastSync]
FROM [Tfs_Configuration].[dbo].[tbl_Identity] where displayname like '%USERNAME%'
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We use VS2013 and TFS2013 update 4
Best regards

Hi DSW,
Thanks for your post.
In your query result, please check if these two users have the same Account Name. if they are two different Account Name in result, it indicate there’s two users have the same display name in your AD, please check that two users’ information in
your AD. We suggest change one user’s display name in AD.
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Find my Friends : Support for multiple users under the same Apple ID?

Can multiple users under the same Apple ID use the app to find each other? My daughter uses my Apple ID with her iPod touch which allows me to monitor her purchases but it seems that only one device under an ID can use the app at a time. If that is the case then it is a major disadvantage and I will need to go back to using latitude (or Find My iPhone which also allows me to see where all of my devices are at the same time)

http://isource.com/2011/10/16/how-do-you-set-up-icloud-for-a-family/
This worked for me.

WebTools Creating multiple users for the same User

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This is occuring for several users in webtools.
What causes this and how do I fix it?
Thanks,
Craig Spehar

Hi Craig,
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1. Change the "Business Partner Synch Contacts Field" setting after the initial synch.
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FYI, whatever caused this was probably at the root of your order problem as well.

Multiple users on the same ODI installation?

Hi all
is it possible to have multiple users working with the same odi installation? We have a virtualized IT infrastructure (citrix and wmware) where we can have multiple users on the same virtual instance. From our point of view, there is no licencing issue since we have a package covering literally everything.
One of the issues are the config files stored in the installation directory of odi (../bin). Is there a way to tell odi to store them in a different location, eg. the user home?
Thanks a lot
Benno

ODI looks in the current working directory for the configuration files, mostly you would have issues with the snps_login_work.xml and snps_login_security.xml files, but these may be common across all users. (just don't store the username/passwords for the ODI users in them).
The way ODI works, most of what are creating is stored in the repository anyway, it is only local GUI config stuff that may be stored locally.
Short answer, yes, you can, but might need to modify the config files a little to make it work.

Can two users access the same bootcamp (win os) instance?

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Will that work also if we use Parallel or virtual box? (access the same user data as in boot camp?)
I would like to have the option for each user to access their windows data either through bootcamp or through the virtual tool.
Message was edited by: gss2
Message was edited by: gss2

gss2 wrote:
What do you mean Virtual box it will not run on its own partition? I have a virtual box running on my desktop and it runs just fine ...own partition?? I don't understand.
Running on its own partition means that the installed OS has its own formatted portion (partition) of the hard drive. A virtual machine does not have its own partition. It creates a virtual partition (a file on the computer) that simulates a file system (partition). So Virtual Box, or any other virtualization software, does not run Windows, or any other OS in its own partition.

What's the problem with having multiple users with the same UID?

I've got three edit systems connected to the SAN using open directory off our server.
I want all edit systems to have read/write access to everything created. I don't need to protect anything from any of the systems. With all three systems logged on using the same user, I never have to change permissions.
The other cool thing about this is that Final Cut Pro will let me know if someone else is modifying a project that I have open with the warning:
“The project "projectName" has been modified externally. If another user is working on it, saving will overwrite their changes. Do you still want to save?”
This sounds great, right?
RED FLAG!!!! Apple gives the warning in this article:
http://docs.info.apple.com/article.html?artnum=302450
"You should not allow two users with the same UID to access an Xsan volume at the same time."
So why is it bad to have two (or more) users with the same UID?
I can see that in some situations it means that you can't prevent people from read/write privileges. But I don't want to restrict privileges.
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Hi Russell,
1) If you have OD set up and "editor" has UID 1111, then when they log in to any machine that's bound to OD as editor, they will get UID 1111. Therefore, there won't be any of these permission errors. This is typically the recommended approach.
2) I assume you mean "You'd prefer to not using open directory?" Whatever the case, OD isn't mandatory with Xsan -- it's just that with multiple user accounts, managing them centrally tends to be easier. For 3 or 4 accounts and 3 or 4 machines maybe it's no big deal. If you go larger, it could get a lot more complicated. That said, if you set it up such that each machine has the exact same set of users (as you said, Mary = UID 502, Fred = UID 503, William = UID 504), then you can do what you want. Mary can log in from multiple machines at the same time, and in general you won't have permissions problems. Of course, if you try and read and write the same file from multiple workstations at the same time, you will get file locking issues, which will prohibit somebody from successfully writing the file.
File locking issues are different from general permissions errors. The former basically says "hey, someone else is editing this file. Therefore I won't let you edit it right now... you can read it if you want though." Permissions means somebody saves it, and Xsan thinks you saved it and own the file, when you really don't.
Quad-Core PMG5, 4 GB RAM, 7800 GT, 1 TB disk. Mac OS X (10.4.4)

Importing Photos and Music from Multiple users on the same Mac

I am the same person with multiple users on one iMac. I need to have the same pics and music files on all of the user names on the one computer.
I have the family pack MobileMe plan.
Where are the files located for the photos and music in iTunes?
I would like to import them from one user to another user on the same computer.
Thank you

Welcome to the Apple Discussions.
If you Import the files from one User to another then you will use double the disk space on your HD as you will have multiple copies of everything. Why not simply share the files between accounts?
For iPhoto 09 (version 8.0.2) and later:
What you mean by 'share'.
If you want the other user to be able to see the pics, but not add to, change or alter your library, then enable Sharing in your iPhoto (Preferences -> Sharing), leave iPhoto running and use Fast User Switching to open the other account. In that account, enable 'Look For Shared Libraries'. Your Library will appear in the other source pane.
Any user can drag a pic from the Shared Library to their own in the iPhoto Window.
Remember iPhoto must be running in both accounts for this to work.
If you want the other user to have the same access to the library as you: to be able to add, edit, organise, keyword etc.
Quit iPhoto in both accounts. Move the Library to the Users / Shared Folder
(You can also use an external HD set to ignore permissions, a Disk Image or even partition your Hard Disk.)
In each account in turn: Double click on the Library to open it. (You may be asked to repair the Library Permissions.) From that point on, this will be the default library location. Both accounts will have full access to the library, in fact, both accounts will 'own' it.
However, there is a catch with this system and it is a significant one. iPhoto is not a multi-user app., it does not have the code to negotiate two users simultaneously writing to the database, and trying will cause db corruption. So only one user at a time, and back up, back up back up.
Regards
TD

Multiple users, using the same web app items?

Iam building a service for familes were the parents should be able to read / add / edit the same secure web app items.
So when logged in the user have access to the same user submitted web app items.
I found a thread answerd by Liam and my guess this is not possible? Can it be partial be done e.g. just let the "family" read the familys items? And no there is not possible to add / pair the users in backend because there are to many.
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This thread suggest it's not doable.
http://forums.adobe.com/message/5547102
Thanks!
//Johan
Formpartner

Not in association Johan no.
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You can only set one owner as well.

Multiple Users accessing the same core set of queried data

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