Real Time Live Data On A Windows Application .NET 2.0
Jan 10, 2006
I want to build a windows application in Visual Studio 2005 that grabs some data from a SQL DB and displays it in a gridview. That is easy and I already have it done, but I also want to know how to show this data in real-time. For example: right now we have a application that pulls some login information for all the users and displays their phone extension, their name, and their status. They can change their status by clicking on some radios below the datagrid and on change it updates the data and then posts back. However, I dont know how the guy who did it made it so that these local changes are automatically shown on everyone elses computers around the office. In other words, they are shown the live data as it changes, without having to refresh it or anything. How would I go about doing this or does anyone have any places/resources that could help me accomplish this task. Thanks.
Oh and the guy who wrote this is no longer working here and he deleted the source code so i cant look at it.
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Jul 20, 2015
I am trying to understand an environment and provide a solution to Banking system so that they can enter user data (transactions) online and at the same time we can provide users online reporting as well. Using same sql server or server/hardware on other machine.
There are so many branches/customers/ATM machines accessing online data as well as updating their balances. I want to understand how can we provide online reporting. Through replication, transaction log backup, log shipping or what other solution is available. I need to understand this and provide a solution that is already implemented running/successfully. Need some proposals and their pros and cons. cost and maintenance are the constraints with the real time reporting on live system/database.
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Jan 25, 2007
I currently have an application which retrieves stats from a SQL database that are updated throughout the day. My application updates every 3 seconds to retrieve these stats but I found that it's quite expensive to the server's CPU when there are several clients running my application. Are there any other methods for extracting the data that won't require so much CPU. The fact that the database is being hit so much isn't good either. I have already written a webservice hoping that this would improve things but I'm not sure it has.
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Oct 8, 2007
Hi
I´m a SysAdmin and I´m implementing ASSP (anti-spam) to use with an email server.
But the ASSP requires a txt file with all domains hosted in the server that are in a SQL Table of the server.
My questions is: Is there anything to make a real time TXT file with all the domains ?
maybe use trigger I dont know..
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Sep 8, 2006
We have completed the implementation of data mining algorithms.Now we have to build an API for real time data mining.Is that possible in SQL Server?
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Feb 4, 2008
Hi there,
I was wondering about the stability of SSIS when it comes to importing data on a real-time basis. Let's say you have a scenario where flat files, for instance, will be dropped at random intervals ranging from 1 second to 10 seconds apart and the importer has to import these files immediately.
I would imagine that this is done with a package which runs a loop sniffing the directory forever but I stand corrected on the best ways of doing it.
I'm not too sure whether SSIS is a good idea for this as lots of people have had bad comments on SSIS in real-time in my company but they cannot elaborate on why enough to convince me. I have done some pretty cool stuff and must admit that I am a fan of the technology but dont want to defend it into a corner
Please give me your thoughts on this
Regards
Michael
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Sep 27, 2006
I am about to prepare a paper concerning the field of real-time data mining. Real-time here means the process of incremental training of an existing model as soon as the data arrives.
There is a number of papers introducing algorithms for incremental association analysis, incremental clustering etc. Stream mining Ãs a field which is closely related to that. The main reason for the implementation of incremental algorithms is a) the large amount of data to be mined and b) the high rate of new data that is evolving every day.
Using classical batch mining algorithms, models that are outdated for some reason, would have to be re-trained, which could be very time consuming for billions of records. And once the training is completed, the training would have to be restarted once again because a bulk of new data has been arrived.
The question that I would like to discuss now is: For what real world applications would it be a meaningful or even essential to use real-time training of models?
Two main reasons could determine the answer to that question:
You just want to incorporate new data into existing models in order to increase the prediction accuracy of your model or
Your underlying data is subject to more or less massive changes (also refered to as concept drift) and you want to adapt your mining model continuously to that reality.
I'm looking for some examples or ideas where one of these cases apply and it would be a good idea to have incremental mining algorithms involved.
I'm looking forward to inspiring some discussion on that issue.
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Jul 19, 2007
I have no idea where to post this kind of question, so here it is!
I have a requirement to retrieve oracle 10 data into SS2000 in as near real-time as possible (stupid users!) and join with resident SS data for on-demand reporting. (We use SS replication to populate some reporting tables from other SS2000 instances and this has spoiled the users as well as the developers! )
I would like to know if there are any clever ways of doing this, or if a plain-old DTS package running in some kind of loop is the practical answer. 1 minute delay is probably too long . . . I don't know if data can be pushed from the oracle side. Or if we need to write a Service and use it to suck and push.
Any suggestions?
thanks!
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Mar 15, 2008
I probably posted my question in the wrong forum so please check here:
http://forums.microsoft.com/TechNet/ShowPost.aspx?PostID=3009605&SiteID=17
thanks
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Jun 11, 2015
Is there a way to keep track in real time on how long a stored procedure is running for? So what I want to do is fire off a trace in a stored procedure if that stored procedure is running for over like 5 minutes.
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Feb 5, 2006
I've read that microsoft.applicationblocks.data for .net v2 can't be deployed to a mobile app, and my experience bears that out. So I 'm wondering if there are application blocks for windows mobile 5 that would know how to both talk to sql server mobile and sql server 2005. I see OpenNetCF has a port but as far as I can tell, they only address sql server mobile and not talking to a sql server 2005 remote database. I can use the OpenNetCF version for my sql server mobile requirements, but I'm hoping there is an encapsulation of sqlclient calls for communication with my server db.
thanks
braden
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Nov 19, 2007
Hi
Does SQL Server support RAC and if yes from which version??
Thanks
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Sep 10, 2006
Hi there
I've just installed Windows Live Messenger on my PC. But it keeps telling me there is a problem with the connection, and gives me the code 80072ee7.
Althought the software says I'm online, I don't seem able to see any of my contacts online or send them instant messages.
I have worked my way through the trouble-shooting advice in the help file and none of that seems to work. My ISP is Orange. I use their broadband service with Explorer with no problems at all.
Please could you suggest what the code above means, and what I can do to overcome the problem? I'm not very computer-literate, so a simple explanation would be much appreciated.
Many thanks Friendly01
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May 3, 2007
How can I access data to SQL server 2005 using Windows form application,ADO.net and .Net remoting?
Can anybody help me? please...
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Mar 6, 2007
Hi, i just downloded the latest version of live messenger and when i try to open it and log on a window pops up and seys "A problem has stoped the program from working" and then it closes messenger. I've tryed uninstalling it and downloaded it time after time and it still dose it
im not sure if its a problem with the messenger or with the windows vista
any help would be awsome
thanks
cale
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Sep 4, 2007
Hi There
I have issues around forwarding message being dropped because they exceed the forwarding message time to live.
I cannot find anything in BOL or the net regarding changing the message time to live value to be higher, does anyone know where i change this setting ?
Thanx
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Jun 23, 2006
I am attempting to write a Windows service that watches a database for uploaded files to import. When a new file is found, the corresponding SSIS package is run from the file system with variables passed through. I started development as a Windows app and copied the functionality to a service.
The app runs fine. The service does not. I get a "Failure" each time a package is executed. Everything is identical behind the scenes with the obvious exceptions that OnStart and OnStop handlers are buttons in the app. I added a script task at the beginning of one of the SSIS packages to notify me that it is even running at all. It doesn't even hit that initial task.
Again, the app will run all packages just fine. The data is imported and the results return as "Success."
The following is the code executing the package. Any help is appreciated. I've been banging my head on this one for a few days now. (Is there a tag to format a code sample?)
Dim pkgLocation As String
Dim pkg As New Package
Dim app As New Application
Dim pkgResults As DTSExecResult
pkgLocation = sPackageFolder & PackageName & ".dtsx"
pkg = app.LoadPackage(pkgLocation, Nothing)
Dim vars As Variables = pkg.Variables
vars("ImportId").Value = ImportId
vars("ProductionServer").Value = ProductionServer
vars("ProductionDatabase").Value = ProductionDatabase
vars("SourceFileName").Value = FileName
vars("SourceFilePath").Value = FilePath
pkgResults = pkg.Execute()
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Jul 27, 2007
Hello Everyone,
Does SQL Server 2005 has a counterpart to Oracle 10G's Real Application Clusters (RAC)?
http://www.oracle.com/technology/products/database/clustering/index.html
Regards,
Joseph
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Apr 18, 2007
Hi,when i create a new user in a .MDF file, the hour of creation in the field "createdate" of table "membership" is exactly 2 hours less than the time of my computer. Probably something to do with different hours between Europe and UK or ...How can i set the creation hour to exact the same hour of my computer?ThanksTartuffe
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Oct 28, 2007
Hi all.
I have posted this question in another forum but no one has so far been able to provide a solution to the problem. Since I know Database Journal always has very informative and enlightening posts, I figured I'd post the question here in hopes that some guru can provide an answer.
If you're running SQL 2000 and have any jobs that have been executed, you could perform a query as such:
select last_run_time from msdb.dbo.sysjobsteps
and receive returned values that contain the last time a job was executed "stored in integer datatype" columns. See ->
sp_help sysjobsteps.
In SQL 2005 I believe the concept is the same. I think the intent of Microsoft had it mind for doing this was to store the date separate from the time values which won't work using the datetime datatype and I have read this in documentation in the past.
The challenge is to convert that data into a humanly legible 12 or 24 hour time format like 11:00 AM or 02:45:39.
Does anyone have any suggestions or clues to assist in resolving this problem??? :(
Thanks.
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May 6, 2001
We are using SQL 7 at 2 different locations, on 2 different Domains that are connected via a T1 line.
We need to have our 2 SQL servers be identical at all times, meaning when a change is made on one server, it is immediately replicated to the other. The problem is that both servers are always being used, so there is no primary/backup server scenario.
Does anyone know if there is a third party software available, or if this is even possible to do, given the fact that the databases are always open ?
Thanks.
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Oct 24, 2000
Hello,
Can anyone guide me. which is the best method for real time synchronisation of my production server. Is it Transactional Replication or Stand By Server?
Thanks In Advance
Sejal
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Apr 24, 2008
I have two database, one is for production and another for reporting database, in this Scenario we need to transfer the real time data to reporting database, which replication we need to use and what at the bottelnecks in this..can any one give some suggesstions or give some links...
Thanks in advance
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Mar 22, 2007
i have 2 DB in 2 different servers.
db1 and db2
db1 gets 150k records every hour. db2 is like the backup of db1. db2 is used to retrieve records to create reports using reporting services.
what is the best way to synchronize db2 with db1?
is it to create a dts package and set up a job that runs every hour?
off topic question.
what kind of language does reporting services use to create the reports?
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Nov 12, 2007
hi guyz ...i m new to sql server so is there anyone who could guide me abt sql server 2005 ....i need some info abt ssis ,ssas ...i have got a proj n have sme ques regd tat so plz let me know ur no or mail id so that i could contact u ..plz its urgent
raghu
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Nov 12, 2007
hi guyz ...i m new to sql server so is there anyone who could guide me abt sql server 2005 ....i need some info abt ssis ,ssas ...i have got a proj n have sme ques regd tat so plz let me know ur no or mail id so that i could contact u ..plz its urgent
raghu
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Sep 18, 2007
Does anybody know a good way to get a (near) live view of a sqlce database that doesn't involve ResultSets? I tried to use a resultset with the Sensitive option set, but it doesn't like the joins that I have to do in order to have the data make sense to the user.
Thanks
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Sep 2, 2006
The ETL processing for my project will be deployed as part of a larger application which is operated by non-technical users. Therefore I want to provide real-time feedback to the user on progress, errors, etc., using windows standard GUI interface objects and style- for example a progress bar. The "designer" of course does some of this but there won't be any designer in our deployed application (and SSIS designer is neither intended to be used by, nor appropriate for, non-technical users anyway).
Now that I have the ETL logic working, it's time to tackle this UI requirement. I am thinking one way to do this is to start a script task to run in parallel with the main ETL processing, open a winform in that task that has various GUI objects whose "state" is based on package scoped variables, update the package level variables via the "on progress" event (or other events as needed) of various SSIS tasks and components, and refresh the winform's display regularly via a timer event.
Does this approach seem like it would be effective? Has anyone tried maintaining an open winform via a script task and updating it's objects via package variables in parrallel with the package is running other tasks?
Thanks,
Ken
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Apr 12, 2007
Hi,
We currently have a propriety in memory DB that is used to store the latest transactions in the system and we have a service that copies the data to a SQL Server every couple of seconds - For historical reporting purpose.
We would like to move into a more standard DB as our real time DB, since we have scalability and availability issues. We taught about using SQL Server since this is the DB we know, but I'm not sure it's built to handle real time data.
Does someone has any experience in using SQL Server for "Real Time" applications?
Does someone has any experience in storing the data files on RAM?
Does MS has a solution similar to Oracle's TimesTen, which is their real time DB?
Thanks,
Avi G..
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Jun 28, 2007
hello,
I want to create real time replication of my databaser server.I have two database srevers,one is master which having real time data and another slave,where i want to replicate data from master .
plz help me to configure solution
Thanks,
Chetan S. Raut.
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Jul 2, 2001
Hi Everybody:
We have a table which needs to be updated 2 million times per day. It hosts all real time transaction. There are 200K records in this table. Would you please to share your experience with me about how to protect/save such table in SQL 2000 from any possible damage?
We plan to use point-in-time backup (every 5 minutes). It still takes at half an hour to recover the whole database. Any new technology from Microsoft or SQL 2000 you can recommend?
Thank you very much.
Joan
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Jan 10, 2008
I'm sure just about everyone uses the PRINT command to give feedback as to what their lengthy and involved scripts are doing, as sort of a record.
I cannot figure out how to make the stuff I use in PRINT commands come out in real-time like SELECTs seem to. Does anyone have an answer to this? These are long-running scripts, and I'd rather nip a problem in the bud before the entire script completes if there's a problem I can capture.
___________________________
Geek At Large
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Jan 20, 2008
Hi,
I'm would like know if the analysis service data mining enables to detect anomalies from "normal" behavior/patterns of data (1), and alert about such anomalies when detected (2). both above sql server relational DB (3).
Thanks,
Eyal
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