Setting Variables From A Query
Dec 15, 2004
Hey guys,
I was wondering if there was a way to set a local variable from the results of a query or stored procedure.
For example, I have a stored procedure or a select statement that returns 1 row, with columns "a" "b" "c" "d"
I want to set my variable to be the value in column "b"
Is there a way to do that? I'm new to tsql, so any code would help.
I tried this, but I know my syntax is messed up
declare @myvar as integer
set @myvar = (execute mystoredProcedure).b
thanks
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Dec 30, 2006
Hi, I have just started with ASP, and have a problem. I have created a stored procedure which looks to a specific tablename for information, based upon the users choice from a dropdown list.
The control works fine when executed from within visual web developer, and I manually enter the value that the variable expects. However I can not get the dropdown listbox value to be written to the SQL value. I have tried for days, traweled the net for answers, borrowed 3ft in height of SQL books! so either I am doing something fundamentally wrong, or I am missing something. My SP is:
ALTER Procedure GenericTableSelect
@tablename VarChar(20)
AS
Declare @SQL VarChar(1000)
SELECT @SQL = 'SELECT [base model] FROM '
SELECT @SQL = @SQL + @tablename
Exec ( @SQL)
and from the page the command to call it is:
SelectCommand=generictableselect></asp:SqlDataSource>
But this fails to compile and comes back with "@tablename not defined"
any pointers in the right direction would help.
The object of this is for two drop down boxes - the first is populated from one database of categories, the selection of which populates the second drop down list with items from within that category.
Cheers,
Richard
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Aug 26, 2013
I have theses variables
@strStartDaysDateVARCHAR(10),
@strStartWeekDateVARCHAR(10),
@strStartMonthDateVARCHAR(10),
@strEndDateVARCHAR(10),
[code]....
So with @strStartDaysDate I'm getting number of records for the day.
With @strStartWeekDate I'm getting number of records for the week.
With @strStartMonthDate I'm getting number of records for the month.
I'm using GETDATE () function for @strEndDate because I can't count records after the current date.Of course those physical dates ('08/01/2013') are not good because I would have to have new dates each week or each month.How do I properly set my variables once so that they regardless to the month or year?
@strStartDaysDate
@strStartWeekDate
strStartMonthDate
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Mar 12, 2008
So I know my code is pretty far off on the variables, but I couldn't find info on how to do this anywhere. Do I need to use sub selects to set the variables? Or something other than variables?
DECLARE@Prefix VARCHAR(10),
@First_Name VARCHAR(50),
@Middle_Name VARCHAR(50),
@Last_Name VARCHAR(50),
@Suffix VARCHAR (10),
@Title VARCHAR (50);
SET@Prefix = ind_prf_code;
SET@First_Name = ind_first_name;
SET@Middle_Name = ind_mid_name;
SET@Last_Name = ind_last_name;
SET@Suffix = ind_sfx_code;
SET@Title = cst_title_dn;
select coalesce((@Prefix + ' '),'') +
ltrim(rtrim(@First_Name)) +
case when ltrim(rtrim(@Middle_Name)) = '' then ' ' else (' ' +
ltrim(rtrim(@Middle_Name)) + ' ') end +
ltrim(rtrim(@Last_Name)) +
coalesce(' ' + @Suffix, '') +
char(13) +
ltrim(rtrim(@Title)) +
char(13) as label
from co_individual (nolock)
join dbo.co_customer (nolock)
on cst_key = ind_cst_key
Thanks!
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Jul 23, 2015
How do I set a variable to represent all of the data. For example using SELECT * will pull all of the data. Is there any symbol or way to declare and set a variable to do the same exact concept. In my query I have set many different variables which are used later on in my where clause but depending on what information I'm pulling from the data I don't wan the variable to have a specific value and instead pull all the data.
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May 13, 2008
This is a fun one. I have a job that runs a SSIS package. It has some variables that I set a runtime. How can I programmatically change the values for these variables using SMO? I can get to the step in the job using VB but I can't find a way to programmatically change the value of the parameters of the job. The code loops through every property of the SSIS step. There's a command string but that's an ugly beast to code against. Any help is appreciated.
With oStep
Console.Write("Name: " + .Name + vbTab)
Console.Write("Proxy Account: " + .ProxyName + vbTab)
Console.Write("Type: " + .SubSystem.ToString + vbTab)
Console.WriteLine("Urn to point to job: " + .Urn.ToString)
iProp = .Properties.GetEnumerator
While iProp.MoveNext
Console.WriteLine("Property Name/Value: " + Convert.ToString(iProp.Current))
End While
End With
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Feb 8, 2006
I have a bunch of variables which I need to initialize from Parameters table in SQL Server database.
I could think of the following two ways
1) Have one SQL Task for each variable and assign a query such as - Select ParamValue from Parameters where ParamChar = '<KeyName>'
2) Have a script task and write VB code to connect to the database and fire one query for every variable and set it accordingly.
I am not totally convinced with both of these approaches. Is there any better approach than these...
Thanks,
Loonysan
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Feb 26, 2008
I am trying to understand the relationship of setting package configurations and setting variable values during job scheduling. I understand that I can select variables that I want to manipulate at run time using package configurations. I understand that the configuration file is an xml file that the job can be told to access at run time. Here are my questions:
1. Once I create a configuration file, do I physically modify the file to change the variable that is input at runtime?
2. Do I have to select the config file and then change the value using the Set values tab?
3. What is the relationship between the config file and the set values tab?
4. When creating a package configuration, when would you use the options other than XML configuration file?
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Feb 29, 2008
Hi all,
We're just in the middle of performing our first release of SSIS packages through various environments.
The way we are set up currently is the developer will check the package(s) and related config files out of source control, develop on their own machine and check everything in again. Then we deploy the packages consecutively to the Dev, Tst and Prd servers.
We are going down the path of using one environment variable for every config file. some packages share config files (e.g. we've only one config file for each database or ftp connection etc.) and some config files are package specific (error log file connections and success/failure e-mail sources etc.).
What we want ideally is a script that we can check into source control that will create the environment variables on a server at deployment. The "set" command at the command line can be used to change the value of an environment variable, or to create a session-specific variable, but not to create environment variables.
So far the only method that we're using is manually typing in the environment variable names via control panel and copying and pasting the paths into the value fields. Given that we're deploying potentially hundreds of config files, it's obvious that this new-fangled GUI point-and-click and copy-and-paste method of deployment is absolutely foolproof and totaly not prone to any error whatsoever.
Please tell me there's a way to create and set environment variables without going through control panel. running a script or something to do it automatically will: Ensure that each environment is set up accurately and identically, eliminating human error. Ensure that when a developer checks out a package to their local drive, although they may have to change the variable values, he can at least create the relevant variables without having to type them in. Enable efficient migration to another new server (for example during Disaster Recovery).
Can anyone point me to some example scripts at all?
Kind Regards,
Andrew.
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Jan 3, 2007
I'm playing (and trying to learn)...
I have an FTP task in a for each containter and am setting the RemotePath using an expression (works great). Thought I could use this to start learning some of the scripting funtionality in SSIS (in a script task) so found some code in this forum (thanks Original Posters!) and tried my hand at some coding... Intent was to create a variable and then dynamically overwrite the Expression in the FTP Task from the script (I know I don't need to do this, I just wanted to use it for learning purposes)....
I have a variable named varFTPDestPathFileName (string) and want to set it to the value of varFTPDestPath (string) + varFTPFileName (string). Note: all variables are scoped at the package level (could this be the problem?). I did not assign any of the variables to ReadOnly or ReadWrite on the Script Task Editor page (seems to me that doing this in the code is a whole lot cleaner [and self documenting] than on the Task Editor page)...
I keep getting the following error:
"The element cannot be found in a collection. This error happens when you try to retrieve an element from a collection on a container during execution of the package and the element is not there."
Here is the script:
Public Sub Main()
Dim vars As Variables
' Lock for Read/Write the variables we are going to use
Dts.VariableDispenser.LockForRead("User::varFTPDestPath")
Dts.VariableDispenser.LockForRead("User::varFTPFileName")
Dts.VariableDispenser.LockForWrite("User::varSourcePathFileName")
Dts.VariableDispenser.GetVariables(vars)
' Set Value of varSourcePathFileName <<--- ERROR OCCURS HERE
vars("User::varSourcePathFileName").Value = _
Dts.Variables("User::varFTPDestPath").Value.ToString + _
Dts.Variables("User::varFTPFileName").Value.ToString
vars.Unlock()
Dts.TaskResult = Dts.Results.Success
End Sub
I would also like to be able to loop through the Dts.VariableDispensor to see the contents of the variables and their values.
Somthing like
For each ??? in vars
msgbox(???.Value)
Next
One other question... Do we always have to preface the variable with "User::" or "System::", if so can you explain why?
Any help would be much appreciated....
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Oct 19, 2006
Hi,
I am trying to execute a DTS on sql server 2000 using the "Execute DTS 2000 Package Task".
I can see the inner variables and when I set the values everything works fine.
Now I want to pass the values dynamically. How can I achieve this?
Many thanks
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Feb 1, 2007
I am trying to set the connection string in a connection manager at runtime. Here is what I have done:
1. Created a gv_DataSource, gv_Username and gv_Password
2. Created a ForEach Loop that reads DataSource, Username and password values from a variable (it is an For Each ADO loop Enumerator). The ADO recordset is read into by an Execute SQL task before the loop.
3. Mapped values from the recordset to variable in the ForEach loop's "Variable Mappings" page.
4. Used the variables in my Sybase OLEDB Connection Manager's "Expression" property, setting the "ConnectionString" property to:
"Data Source=" + @[User::gv_DataSource] + ";User ID=" + @[User::gv_Username] + " ;Password=" +
@[User::gv_Password] + ";Initial Catalog=blue;Provider=Sybase.ASEOLEDBProvider.2;Persist Security Info=True;"
5. I set the values in my database table for the connection-I set 2 connections for which I have Sybase OLEDB datasources setup.
When I run the package, I just get the first server's data twice, it doesn't set the second server's data during the second loop. I made sure the first one was working (i.e. the ConnectionString's property was being set by the data from the current variables) by setting the variables incorrectly in the variable properties page, and then running the package. So the first row of connection information is working, but the second loop around it doesn't seem to be working. I used a msgbox in a script task to show that the variables are mapping correctly in the loop, so it seems the second time around the connection information isn't taking from the variables.
What am I doing wrong here?
Thanks,
Kayda
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Feb 13, 2007
Hi,
Let's say I have a package taking as parameter "InvoiceID". I want to execute this package as a child in another package. The parent package gets the list of invoices to produce and calls the child package for each entry of the list.
How do I pass the InvoiceID to the child? I know I can use the parent's variables from the child but I don't want the child package to be dependant on the parent package. For example, I might want to execute the "child" package as a stand-alone in development (providing it with a predefined InvoiceID). I might also want to call the same child package from another parent package with other variable names.
What I would like to do is "push" the value instead of "pulling" it. I know it's possible using the command line and the /SET option (ex.: /SET Package.Variables[InvoiceID].Value;' 184084)... Is it possible using the Execute Package Task?
Thanks
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Mar 1, 2007
We are trying to start a server job running an SSIS package and supply some parameters to the package when we start the job using SMO.
What we have now is this:
string cmdLine = job.JobSteps[0].Command;
cmdLine += @" /SET PackageGetGroupRatingYear_Id.Variables[User::RatingId].Value;1";
cmdLine += @" /SET PackageGetGroupRatingYear_Id.Variables[User::GroupId].Value;1";
cmdLine += " /SET \Package.Variables[User::period].Value;"" + periodEndDate + """;
job.JobSteps[0].Command = cmdLine;
job.Start();
It appears that when the job is run, the modified command line is not used.
What is needed to supply runtime parameters to a job step when starting the job via SMO?
Thanks,
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Mar 19, 2014
 "variables in SSIS for setting any connection string". I tried to Google it but cannot find any specific link.
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Sep 8, 2006
Hi,
I am making use of the DtUtil tool to deploy my package to SQL Server.
Following is my configuration:
32-bit machine and 32-bit named instance of Yukon.
I have some package variables which need to be set in the code.
Previously I did it as follows:
Set the package variables in the code. For example:
pkgFile.Variables["User::DestinationServerName"].Value = <myvalue>
Deploy the package as follows:
applnObj.SaveToSqlServer(pkgFile, null,
destinationServer, null, null);
Here the package was successfully deployed and when i open those packages using BIDS, I am able to see that the variables are set to the values as doen in teh code.
Because of oen problem I am not using SaveToSQLServer method. So I switched to DTUtil tool.
Now I am doing it this way:
Set the package variables as before.
Deploy the package to SQL Server using DTUtil tool.
Now is the problem:
The package is successfully deployed. But the variables are not set to the value that I have specified in the code.
I also tried DTexec utility to set the package variable. Even that does n't work.
Can anyone help me out? Is there any alternate method to set package variables?
Thanks,
Sandhya
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Jul 8, 2013
I have 2 requests for desperate Hélio..
1) is there any way to run a query over a query without having to create a table with the results of the first query? (would drop table work? If so, how?
2) how can i define input variables the same way i do in excel? I am trying to run a couple of simulations based on 2 core inputs (in excel i would just do a data table)
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Apr 22, 2008
I am trying to filter rows in a table using a query. It needs to be based on two parameters in separate columns. For example, I need to find people of a specific age group, and then further filter them by a hair color. How can I do this?
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Oct 15, 2007
Hi,I'm new to SQL Server, but an experienced .Net developer. I'm tryingto accomplish a query the most efficient way possible. My question isif you can define a temporary variable within a query to store tablesor fields. (Like the LET clause of LINQ) My query makes use ofsubqueries which filter my table (WHEREs, not SELECTs) in the sameexact way. I'd like to have a subquery at the beginning of my queryto filter the table(s) once, and then SELECT off it of later in thequery.Here is an (utterly poor) example. No, this is not from my project.My filter is a little more complex than 'c=@p'.('c' is a column/field, 't' is a table', '@p' is a parameter)SELECT *FROM (SELECT COUNT(c) FROM t WHERE c=@p GROUP BY c)CROSS JOIN (SELECT c FROM t WHERE c=@p)Bottom line, would something like the following be possible?@v = (SELECT c FROM t WHERE a=@p)SELECT *FROM (SELECT COUNT(c) FROM @v GROUP BY c)CROSS JOIN (SELECT c FROM @v)I'd like to know if this is possible within a query, but I can move toa Stored Procedure if I must. (I'll still need help then.)Thank you all
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Oct 29, 2007
SQL Server 2005 is timing out when running loooong queries.Is there a global place I can extend the timeout for queries? I do not mean in code but just in general use?Thanks
Craig
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Jul 20, 2005
i am using sqlserver 2000, and i was wondering how do i go aboutsetting the query time out. is there a way to configure the querytimeout for a specific user id?
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Oct 3, 2007
Hi I'm a n00b at ASP.Net and C# but the company I work for requires me to know this and develop their website using these languages.
Anyway I've been doing pretty good so far I got the page looking as it should etc and databases all set up, now I've hit my first real problem... I am using Visual Studio 2005 and in the Web Developer section. I want to make a SELECT query using the <asp:LoginName> control as the where clause.
e.g. if admin logs in there is a welcome message : Welcome Admin now I want to use the 'Admin' <asp:LoginName> as the SELECT in my query i.e. SELECT * FROM tbla WHERE ([fldCustomerCode] = 'LoginName' )
I was just really wondering if that is in the .aspx file or the aspx.cs code behind file?
Thanks for any help given
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Dec 24, 2003
I’ve reconfigured Microsoft’s IBS Store shopping cart to function within a small e-commerce website. What I am trying to do is to modify the code slightly in order to use a third party credit card processing center. The situation is this: once the customer clicks the final "check out" button, a stored procedure writes all of the product ordering information into the database. I, then, capture what they're wanting to purchase with the following SQL statement:
Dim strSQL as String = "Select orderID, modelNumber from orderDetails" & _
"where CustomerID = " & User.Identity.Name & _
"And orderid = (SELECT MAX(orderid)FROM orderDetails" & _
"where CustomerID = " & User.Identity.Name & ")"
What I would like to do is assign specific values to variables based off of the above query. For example:
Dim orderItem as String = (all of the modelNumbers from the query)
Dim orderIdItem as String = (all of the orderIDs from the query)
How do I do this?? Any help is much appreciated! Thanks in advance.
Ron
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Mar 28, 2001
I'm trying to create a stored procedure with a dynamic update statement depending on the variables received. I receive a sql error "Incorrect syntax near the keyword 'WHERE'." although the variable, @tempvar, appears correct. Any ideas?
----
DECLARE @tempvar varchar(1025), @SolutionDetail varchar(1000), @hours varchar(12), @id int
if @SolutionDetail <> " "
set @tempvar = "SolutionDetail = " + "'" +@SolutionDetail + "'"
IF @hours <> " "
set @tempVar = @tempvar + ", hours = " + "'" + @hours +"'"
UPDATE WorkOrderTbl SET @tempvar
WHERE workorderid = @id
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Aug 22, 2007
Hi,
I'm looking for a query I can use to alter table relationships. What I want to do in particular, is to set every relationship to cascade on update. Can anyone point me out to a solution? MSDN seems very vague in this subject.
Thanks,
Tiago
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Jan 4, 2008
Hi all,
I was wondering if anyone can help me figure out how to insert a
variable into a query using Visual Studio 2005 with the SqlDataSource
control. I cant seem to be able to enter a var into the query
parameters.
this is my SqlDataSource:
<asp: SqlDataSource ID="SqlDataSource1" runat="server"
ConnectionString="<%$ ConnectionStrings:imLookinLikeConnectionString
%>" DeleteCommand="DELETE FROM [tblDiaryEntries] WHERE [DiaryEntryID] = @DiaryEntryID"
SelectCommand="SELECT tblDiaryEntries.DiaryEntryID,
tblDiaryEntries.EntryDate, tblDiaryEntries.Subject,
tblDiaryEntries.DiaryEntry, aspnet_Users.UserName FROM tblDiaryEntries
INNER JOIN aspnet_Users ON tblDiaryEntries.UserID = aspnet_Users.UserId
WHERE UserName=@UserName ORDER BY tblDiaryEntries.EntryDate DESC"
UpdateCommand="UPDATE [tblDiaryEntries] SET [DiaryEntry] = @DiaryEntry,
[EntryDate] = @EntryDate, [Subject] = @Subject WHERE [DiaryEntryID] =
@DiaryEntryID" InsertCommand="INSERT INTO tblDiaryEntries(UserID,
EntryDate, Subject, DiaryEntry) VALUES (@UserId, GETDATE(), @Subject,
@DiaryEntry)"> <DeleteParameters> <asp: Parameter Name="DiaryEntryID" Type="Int32" /> </DeleteParameters> <UpdateParameters> <asp: Parameter Name="DiaryEntry" Type="String" /> <asp: Parameter Name="EntryDate" Type="String" /> <asp: Parameter Name="Subject" Type="String" /> <asp: Parameter Name="DiaryEntryID" Type="Int32" /> </UpdateParameters> <InsertParameters> <asp: Parameter Name="DiaryEntry" Type="String" /> <asp: Parameter Name="EntryDate" Type="String" /> <asp: Parameter Name="Subject" Type="String" /> <asp: ProfileParameter DefaultValue="Anonymous" Name="UserName" PropertyName="UserName" /> <asp: Parameter Name="UserId" /> </InsertParameters> <SelectParameters> <asp: ProfileParameter DefaultValue="Anonymous" Name="UserName" PropertyName="UserName" /> </SelectParameters> </asp: SqlDataSource>
What I want to do is to tell the SqlDataSource that @UserName = this.User.Identity.Name, but I only know how to do that in
code-behind, not sure how to insert it into the code above.Any ideas?
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Mar 19, 2006
Is it possible to use variable name to dynamically define a query in a stored procedure? EX:
@Column = 'COUNT(*)'
@Category = 'Products'
@Table = 'Items. + @Category
SELECT @Column
FROM @Table
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Oct 28, 2004
Hi all,
If I have a query string that is to be stored in a database, for example
Code:
SELECT prod_id, prod_name, prod_desc FROM products WHERE prod_id = 'variable'
how can I put a variable identifier into this string so that when I need to run the query I call it from the database and simply insert the relevant variable in the correct place.
Is there an appropriate way of doing this in MS SQL Server?
Thanks
Tryst
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Oct 10, 2006
When I want to user variable in the name of the database, I have an error. What's wrong with my code ?
DECLARE @BASE_SOURCE varchar (30),@BASE_DESTI varchar(30),@TEST varchar(30)
set @BASE_SOURCE='BASE1'
set @BASE_DESTI='BASE2'
select * from @BASE_SOURCE.dbo.FOURNISS
Msg*170, Niveau*15, État*1, Ligne*4
Ligne 4 : syntaxe incorrecte vers '.'.
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Dec 1, 2005
I have a query in which I'd like to use the username of the user currently logged in. The expression im using to retrieve the username is: Membership.GetUser().UserName. Currently I have the following: <asp:SqlDataSource ID="ProjectSource" runat="server" ConnectionString="<%$ ConnectionStrings:Code %>" ProviderName="<%$ ConnectionStrings:Code.ProviderName %>" SelectCommand="Select Name, Namespace from Project where User = $Username"> <SelectParameters> <asp:Parameter DefaultValue="" Name="$Username" /> </SelectParameters> </asp:SqlDataSource> <asp:GridView ID="GridView1" runat="server" DataSourceID="ProjectSource" />I'd somehow like to set up $Username to be equivlent to Membership.GetUser().UserName.
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Feb 8, 2005
Hi,
I've set the Query time-out parameter for my default MSDE instance to 1 sec (through the Enterprise Manager) and since the restart of the server I can't connect it through any client tool.
Does anybody know how to return the default value of Query time-out (600s) without using enterprise manager?
thanx a lot
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Mar 26, 2006
Hi!
Is it possible to set a query result (scalar) to scalar variable. I would like to set a qery result (SELECT COUNT(*) FROM MyTable) to a scalar variable:
DECLARE @temp int
SET @temp = query result...
Is it possible? I couldn't find the way to do that...
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Feb 8, 2007
We are in development stage of an application which uses Query Notification feature of SQL Server 2005. When the development started what the development team did was, they just Enabled broker on the database by SET ENABLE_Broker statement and they started using Query Notification. Now the application is in testing phase and when we test with many user, the performance is really slow. What i want to know is , when we use Query Notification what all are the setting to be done at the database level. Is this setting enough. And also how can i tune this system. any useful link is appreciated.
thanks in advance
Madhu
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