Propagation Of Event Notification When Tables Are Updated.

Jul 23, 2005

I would like to propagate an event signal to an external application
when a table in my MSSql2000 server is updated.

Prog A; I have an external application adding records to a table.
Prog B; I have another external application using this table as well.

When Prog A creates a new record in the Table, how can I have Prog B be
notified of the event without polling the table or creating a link
between Prog A and Prog B.

Thanks.

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Event Notification

Aug 10, 2004

Does anyone know if there is any software available that notifies specified people when an error above a certian level occurs. Im thinking along the lines of email and text message.

Im running sql server 2k at sp3a level, and the software will have to be compatible with it so as to get the event notification to pass the information on.

If there isn't any software, would anyone know of any scripts that will do this?

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Aug 10, 2004

I am trying to set up the email notification system in SQL server 2000, but im having some problems. Mainly, im having problems with setting up an email account in the first place (there is a dedicated mail box, but the one im working with is a different box altogether).

If anyone could help fathom this out from start to finish i would be really grateful.

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May 21, 2006

Hi

I have a simple question regarding event notification in sql 2005. I keep up getting a message indicating a syntax error when trying to execute the following script. I also tried with [ instead of '.

CREATE EVENT NOTIFICATION NotifyCT
ON DATABASE
FOR CREATE_TABLE
TO SERVICE 'NotifyService'

Msg 102, Level 15, State 1, Line 4
Incorrect syntax near 'NotifyService'.

I cannot find any error in my syntax. Please help

Thanks

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Jan 30, 2006

Hello Remus,

I have implemented Event Notification sample you provided in my logic, but I am perplexed that even though my watched queue does go down, I do not get message in the Event_Collector queue all the time. The Event_Collector queue does stay enabled though. Any thoughts? I guess any suggestions on debugging the event notification portion would be helpful.

Lubomir

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Apr 13, 2007

If I call ExecuteNonQuery() in a timer event callback in a console application, it hangs. Why is that?

.B ekiM

class Program
{
static SqlConnection conn = new SqlConnection("Integrated Security=SSPI;Persist Security Info=False;Initial Catalog=NONEOFYOURBISUINESS;Data Source=localhost");

static void Main(string[] args)
{
NativeMethods.MEMORYSTATUSEX mem = new NativeMethods.MEMORYSTATUSEX();
NativeMethods.GlobalMemoryStatusEx(mem);
Console.WriteLine("{0} bytes", mem.ullAvailPhys);

System.Timers.Timer aTimer = new System.Timers.Timer();
// Set the Interval to 2 seconds (2000 milliseconds).
aTimer.Interval = 1000;
aTimer.Enabled = true;

// Hook up the Elapsed event for the timer.
aTimer.Elapsed += new ElapsedEventHandler(OnTimedEvent);

Console.ReadLine();
}

private static void OnTimedEvent(object source, ElapsedEventArgs e)
{
NativeMethods.MEMORYSTATUSEX mem = new NativeMethods.MEMORYSTATUSEX();
NativeMethods.GlobalMemoryStatusEx(mem);

SqlCommand cmd = new SqlCommand(
"INSERT INTO Observation (StatisticType, StatisticObserved, StatisticValue) VALUES (1, @When, @AvailPhys);" +
"INSERT INTO Observation (StatisticType, StatisticObserved, StatisticValue) VALUES (2, @When, @AvailPageFile);" +
"INSERT INTO Observation (StatisticType, StatisticObserved, StatisticValue) VALUES (3, @When, @AvailVirtual);" +
"INSERT INTO Observation (StatisticType, StatisticObserved, StatisticValue) VALUES (4, @When, @AvailExtendedVirtual);");

DateTime dt = DateTime.Now;
cmd.Parameters.AddWithValue("AvailPhys", mem.ullAvailPhys);
cmd.Parameters.AddWithValue("AvailPageFile", mem.ullAvailPageFile);
cmd.Parameters.AddWithValue("AvailVirtual", mem.ullAvailVirtual);
cmd.Parameters.AddWithValue("AvailExtendedVirtual", mem.ullAvailExtendedVirtual);
cmd.Parameters.AddWithValue("When", dt);

cmd.ExecuteNonQuery();

Console.WriteLine("Inserted {0}", dt);
}

}

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Jun 19, 2007

Hello,

I have configured an Event Notification for BROKER_QUEUE_DISABLED.



I created a Queue different from the one the Receive my normal messages and on this queue I define an activation.



The Activated SP takes the [EventNotification] message and execute a

RAISEERROR('Message',0,1) WITH LOG.



The error is properly logged in the SQL server event log but I gave a look the Initiator and target sys.conversation_endpoints catalog view and I have see the the conversations are in the status CONVERSING or SI ...

Do I have to call the END CONVERSATION after the commit or these statuses are caused by some mistakes on the message process workflow?



Thank you

Marina B.

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Feb 21, 2007

Hello,

Can anyone spot what i am missing here ? The problem is that i am getting a null object for e.TextData in the t_OnEvent(object sender, TraceEventArgs e) function below. I am trying to get event- notifications while processing the data mining structure.

thanks

anil

//-------------code below-------------------------------------

using Microsoft.AnalysisServices;

private void ProcessMiningStructure(MiningStructure mStruct)
{
Trace t;
TraceEvent e;

t = server.Traces.Add();
e = t.Events.Add(TraceEventClass.ProgressReportCurrent);
e.Columns.Add(TraceColumn.TextData);

t.OnEvent += new TraceEventHandler(t_OnEvent);
t.Update();
try
{
t.Start();
mStruct.Process(ProcessType.ProcessFull);
t.Stop();
}
catch (Exception ex)
{

}
t.Drop();

}
//------------------------------------------------------


void t_OnEvent(object sender, TraceEventArgs e)
{
SetText(e.TextData);
}

//------------------------------------------------------







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Aug 20, 2007

Hi

I am unable to drop the above login. The error is Error:15141 The server principal owns an event notification and cannot be dropped.

I have looked in the table sys.server_event_notifications and there are rows returned that have a server_principal_id of the user I am trying to drop. No events have been created on this server, so I am assuming these notifications are either created by default or are somehow related to Database Mail?

All the event notifications belong to service name "SQL/Notifications/ProcessWMIEventProviderNotification/v1.0" and begin with SQLWEP (i.e. SQLWEP_RECHECK_SUBSCRIPTIONS, SQLWEP_B415ADB8_A604_4057_976F_600002FA5AF6). How can I find out what these are for and how they were created?

What purpose do these event notifications have? Is there some syntax to change the owner of these event notifications so I can successfully drop the login? If the only way is to directly update the system view, is this safe and what repercussions could this have?

Thanks
Martin

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Apr 1, 2008

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In doing further research I think I may have come across what seems to be a bug, but perhaps there is some reasoning behind it. Take the following package structure:

Package1 --> Task Execute Package2

Package2 --> TaskA

TaskA is a task that I have constructed intentionally to generate errors. When executing Package2 on its own separate from Package1, TaskA errors and the package completes with a result of Failure. This is what is expected.

Now, add an OnError Event Handler to TaskA, which does nothing, and set its Propagate variable to True (the default). Again executing Package2 on its own causes the package to complete with a result of Failure. Again, as expected.

Now, for the OnError Event Handler of TaskA, set the Propagate variable value to False. When executing Package2, we now get a result of Success. Again, this is as expected since TaskA does not have FailPackageOnFailure set to True.

One would think that if Package1 is now executed, since TaskA in Package2 is preventing the error from propagating up, that Package1 would report success, right? Wrong.... at least according to my tests. When Package1 executes, the "Task Execute Package2" lights up red and Package1 finishes with a result of Failure. In order to get around this, I have created an OnError Event Handler on "Task Execute Package2" which has its Propagate value set to False.

Does anyone know if this behavior is by design or by accident??... or is it user error?

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May 14, 2008

With the new features of SQL Server 2005 for error handling (TRY...CATCH blocks), how are you propagating errors back to the caller? For example, lets say we have 3 stored procedures:
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dbo.usp_UpdateSomeTable2
dbo.usp_UpdateSomeTable3

Let say some application calls dbo.usp_UpdateSomeTable1, in turn dbo.usp_UpdateSomeTable1 calls dbo.usp_UpdateSomeTable2 and in turn dbo.usp_UpdateSomeTable2 calls dbo.usp_UpdateSomeTable3.

Now if dbo.usp_UpdateSomeTable3 generates an error, how do you handle propagating this back to the caller?

I envision encapsulating the contents of each procedure in a TRY...CATCH block like so:

BEGIN TRY
...do some stuff
END TRY
BEGIN CATCH
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END CATCH

Now my problem is I would like to capture all the error variables and toss them back to the caller and keep sending that information up the stack. So far my attempts have been pretty unreadable and end up being just a cluster of text.

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Apr 9, 2007

Dear All,
 
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Now problem is every day or two, record of  those tables changes. How can I keep update my tables (which are importing from retailexcel)
 
 
Please suggest me some idea.
 
Thanks  
 
 

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Jan 4, 2006

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How do I insert unrelated statistical data from three tables into another
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OR...
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and a where something = something statements?

This is what I have so far and it do and insert and does work and I have no idea where to begin to do an update stored procedure like this....

CREATE PROCEDURE AddDrawStats
AS
INSERT Drawing (WinnersWon,TicketsPlayed,Players,RegisterPlayers)

SELECT
WinnersWon = (SELECT Count(*) FROM Winner W INNER JOIN DrawSetting DS ON W.DrawingID = DS.CurrentDrawing WHERE W.DrawingID = DS.CurrentDrawing),

TicketsPlayed = (SELECT Count(*) FROM Ticket T INNER JOIN Student S ON T.AccountID = S.AccountID WHERE T.Active = 1),

Players = (SELECT Count(*) FROM Ticket T INNER JOIN Student S ON T.AccountID = S.AccountID WHERE T.AccountID = S.AccountID ),

RegisterPlayers = (SELECT Count(*) FROM Student S WHERE S.AccountID = S.AccountID )

FROM DrawSetting DS INNER JOIN Drawing D ON DS.CurrentDrawing = D.DrawingID

WHERE D.DrawingID = DS.CurrentDrawing
GO

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Hi,



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Hi

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So when i am loading this data in to Database table, i need to just update the changed records and also needs to add the new records. I don't need to touch the remaining records.

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Thanks

Kumaran



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Hello,

I have an application written in Visual Basic 2008, using a SQL Express 2008 database. This application runs in several locations on stand-alone PC's and there is no network connecting them.
I have to maintain a SQL database in a central location an would like to be able to distribute updated tables from that central location by using an USB stick and replace the tables of the same name in the different locations with the updated ones on my USB stick.
This I would like to do using code within my VB2008 application.

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Many thanks and greetings,

Michel


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Date  10/25/2011 10:55:46 AM
Log  SQL Server (Current - 10/25/2011 10:55:00 AM)
Source  spid
Message
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AND targetinstance.name = 'C:\Program Files\Microsoft SQL Server\MSSQL.1\MSSQL\Backup\AdventureWorks.bak'

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My understanding is that the event polls every 30 s and if there is a change on the AdventureWorks.bak file then the event is triggered and the script task will run producing the message.
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Jun 20, 2007

Hi

I seem to have a strange problem when applying a snapshot when the tables in the publication have been updated while the snapshot was being generated.



Say for example there is a table called RMAReplacedItem in the publication. When the snapshot starts being applied to the subscriber, a stored procedure called sp_MSins_RMAReplacedItem_msrepl_css gets created that handles an insert if the row already exists (ie it updates the row rather than inserting it). However, after all the data has been loaded into the tables, instead of calling this procedure, it tries to call one called sp_MSins_RMAReplacedIte_msrepl_cssm - it takes the last letter of the table name and adds it to the end of the procedure name.



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I have run sp_broswereplcmds and the data in there is what is applied to the subscriber - ie the wrong procedure name.



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May 31, 2007

Server 2003 SE SP1 5.2.3790 Sql Server 2000, SP 4, 8.00.2187 (latest hotfix rollup)
We fixed one issue, but it brought up another. the fix we applied stopped the ServicesActive access failure, but now we have a failure on MSSEARCH. The users this is affecting do NOT have admin rights on the machine, they are SQL developers.
We were having

Event Type: Failure Audit
Event Source: Security
Event Category: Object AccessEvent ID: 560
Date: 5/23/2007
Time: 6:27:15 AM
User: domainuser
Computer: MACHINENAME
Description:
Object Open:
Object Server: SC Manager
Object Type: SC_MANAGER OBJECT
Object Name: ServicesActive
Handle ID: -
Operation ID: {0,1623975729}
Process ID: 840
Image File Name: C:WINDOWSsystem32services.exe
Primary User Name: MACHINE$
Primary Domain: Domain
Primary Logon ID: (0x0,0x3E7)
Client User Name: User
Client Domain: Domain
Client Logon ID: (0x0,0x6097C608)
Accesses: READ_CONTROL
Connect to service controller
Enumerate services
Query service database lock state

Privileges: -
Restricted Sid Count: 0
Access Mask: 0x20015



Applied the following fix

http://support.microsoft.com/kb/907460/


Now we are getting



Event Type: Failure Audit
Event Source: Security
Event Category: Object Access
Event ID: 560
Date: 5/23/2007
Time: 10:51:23 AM
User: domainuser
Computer: MACHINE
Description:
Object Open:
Object Server: SC Manager
Object Type: SERVICE OBJECT
Object Name: MSSEARCH
Handle ID: -
Operation ID: {0,1627659603}
Process ID: 840
Image File Name: C:WINDOWSsystem32services.exe
Primary User Name: MACHINE$
Primary Domain: domain
Primary Logon ID: (0x0,0x3E7)
Client User Name: user
Client Domain: domain
Client Logon ID: (0x0,0x60D37C1A)
Accesses: READ_CONTROL
Query service configuration information
Query status of service
Enumerate dependencies of service
Query information from service
Privileges: - Restricted Sid Count: 0 Access Mask: 0x2008D

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Hi all,


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We recently upgraded to SQL 2005 from SQL 2000. We have most of our issues ironed out however about every 1 minute there is a message in the Application Event log and the SQL log that states:

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