Here is the query.. @ENTITY, @ FIELD, @KEYID, @VALUE comes dynamically using cursor. Here in this example I have took one sample and assigned it a value to do sanity check.
SET @SQL1 = ' SET @KeyValueOUT = Select '+ @KeyName + ' FROM ClaimManagementFact WHERE ClaimKey = ' + @KEYID +
' GROUP BY ' + @KeyName + ' HAVING SUM(TotalClaimCount) > 0 OR SUM(IncidentOnlyClaimCount) > 0 )'
EXECUTE sp_executesql @SQL1, @KeyValueOUT INT OUTPUT;
@KeyValue= @KeyValueOUT OUTPUT;
Select @KeyValue
A) What i want to do is store the value resulting from select statemenet by executing @SQL1 which is INT to @KeyValue. In previous thread I tried various thing but resulting in errors.
I am trying to build a proc that uses a loop to import data into several tables. The data is copied into the appropriate table according to the contents of the variable @PracticeCode. I am also trying to add a date value to each record as it is added to the table. I thought that the best way to do this would be t use the sp_executesql stored proc. but I am having difficulty getting it to work. Here's what I have done so far:
-- insert data into proper tables with extract date added SET @SQLString ='INSERT INTO GMS_48hrAccess.dbo.tbl_Surgery'+@PracticeCode+' SELECT SurgeryKey,'+ @extractDate+', ClinicianCode, StartTime, SessionGroup, [Description], SurgeryName, Deleted, PremisesKey FROM GMS_48hrAccess.dbo.tbl_SurgeryIn'
EXEC master..sp_executesql @SQLString
And here's the error message that I get:
Server: Msg 241, Level 16, State 1, Line 90 Syntax error converting datetime from character string.
I understand why I am getting this error I just can't seem to fix it. I've consulted BOl and have tried various Parameter combinations but to no avail.
For the example stored procedure below, lets say I want to use the "sp_executesql" stored procedure instead of "EXECUTE". CREATE PROCEDURE [dbo].[spGetEmployees] @managerId int, @employeeIdList nvarchar( 200 ) AS
EXECUTE ( 'SELECT * FROM [dbo].[hrEmployees] WHERE [ManagerID] = ' + CAST( @managerId AS nvarchar ) + ' AND [EmployeeID] IN (' + @employeeIdList + ')' )
I want to rewrite it something like this. Please see MSDN documentation ( http://msdn2.microsoft.com/en-us/library/ms188001.aspx ) for sp_executesql stored procedure usage.DECLARE @selectStatement nvarchar(500) SET @selectStatement = 'SELECT * FROM [dbo].[hrEmployees] WHERE [ManagerID] = @paramManagerID AND [EmployeeID] IN (' + @employeeIdList + ')'
DECLARE @paramList nvarchar(500) SET @paramList = '@paramManagerID int'
Reason for using "sp_executesql" is the performance gain.However, as you can see, the @employeeIdList cannot be included as part of the Parameter List ( @paramList )like the @managerId since it **has** to be passed in as a varchar ( example: @employeeIdList = '1,2,3,4' ). My Question Is there a way to include it as a parameter instead of it being part of the embedded dynamic SQL syntax?
Okay, so I came across an odd performance issue that I'm wondering if some guru can help me out with.
I have a query that uses a paging algorithm that uses a paging algorithm and a table variable, then gets a page of data based on a join to that table variable. Here's a simplified query using the algoritm:
--declare table variable... not shown for brevity
--make sure we only store the least amount of records possible SET ROWCOUNT ( @pageNumber + 1 ) * @pageSize
--insert into table variable INSERT INTO @TableVariable( Key ) SELECT key FROM table WHERE whatever = @p1
--we only want one page of data SET ROWCOUNT @pageSize
--now get the page of data from the table SELECT key FROM table WHERE whatever = @p1 AND [TableVar Identity Column] > @pageNumber * @pageSize
The algorithm works great for our needs, BUT, I noticed something a little odd about its behavior during performance testing.
In particular, when I run the query using Sql Server Management Studio, where I manually DECLARE all the variables it ends up needing only 156 reads to complete the job. When I call it from the app using ADO.NET, however, I noticed it needs 310 reads! Huh?
I looked for differences, and the only one I could determine was that ADO.NET passes the query and uses sp_executesql and passes the parameters vs. declaring and setting them statically before executing the query. I confirmed that this was the issue by manually running sp_execute SQL and seeing that it took roughly the same number of reads (274) to process the query.
Naturally, I don't want the time it takes to perfrom my query to double, but and frankly I don't understand why there would be a difference in performance. Can anyone help me track down what is going on and suggest to me how to fix the problem.
I assume that SQL Server Management Studio optimizes the execution path somehow, but I'm not sure how to gain the same benefit for my passed query. Can I enable something with hints? Is there something else going on that I should know about?
This is a odd problem where a bad plan was chosen again and again, butthen not.Using the profiler, I identified an application-issued statement thatperformed poorly. It took this form:exec sp_executesql N'SELECT col1, col2 FROM t1 WHERE (t2= @Parm1)',N'@Parm1 int', @Parm1 = 8609t2 is a foreign key column, and is indexed.I took the statement into query analyzer and executed it there. Thequery plan showed that it was doing a scan of the primary key index,which is clustered. That's a bad choice.I then fiddled with it to see what would result in a good plan.1) I changed it to hard code the query value (but with the parmdefinition still in place. )It performed well, using the correct index.Here's how it looked.exec sp_executesql N'SELECT cbord.cbo1013p_AZItemElement.AZEl_Intid AS[Oid], cbord.cbo1013p_AZItemElement.incomplete_flag AS [IsIncomplete],cbord.cbo1013p_AZItemElement.traceflag AS [IsTraceAmount],cbord.cbo1013p_AZItemElement.standardqty AS [StandardAmount],cbord.cbo1013p_AZItemElement.Uitem_intid AS [NutritionItemOid],cbord.cbo1013p_AZItemElement.AZeldef_intid AS [AnalysisElementOid] FROMcbord.cbo1013p_AZItemElement WHERE (Uitem_intid= 8609)', N'@Parm1 int',@Parm1 = 8609After doing this, re-executing the original form still gave badresults.2) I restored the use of the parm, but removed the 'exec' from thestart.It performed well.After that (surprise!) it also performed well in the original form.What's going on here?
3 tables with about 100 000 rows each one, frequently updated. 1 clustered index on primary key, and 2 non clustered index on columns used by JOIN and by queries.
Fillfactor for index : 90. PAD_INDEX : not activated.
I have some deadlocks problems, probably due to index pages and key locking (as precised in error log). Is it possible that the cause of that is splitting index pages while UPDATE ?
May I activate PAD_INDEX to solve part of this problem ?
I have created Queue with the following syntax. But it is not getting activated itself. What I have to do to get it activated itself, and what could be the frequency by default.
CREATE QUEUE NewCustomerQueue WITH ACTIVATION (PROCEDURE_NAME = prProcessNewCustomers, STATUS = ON, MAX_QUEUE_READERS = 1, EXECUTE AS SELF) GO
If I execute the prProcessNewCustomers procedure manually it is showing that the Queue has been activated. What change I have to make in the syntax to get it activated itself.
Actually I have two scenarios in my requirement,
1. One Queue processing immediately when it receives data (Order Processing)
2. Another Queue, Process when the server is idle i.e., off-peak time (for mailing)
i am using sqlserver2005,in that i am not getting database mail even after enabling in surface area configuration of configaration tool. what is the problem with my sqlserver. Can any one help me ...
I am new to SQL / SQL Server and have downloaded SQL Server 2005 Express.
I also appear to have an existing SQL Server program on my PC which includes Query Analyzer. I wish to use Query Analyzer. Is this compatible with SQL Express?
When I try to open Query Analyzer using Windows Authentication I get the error msg:
'Unable to connect to server HOME-DHGV3DIC8N:
Server: msg 17, level 16, state 1
[Microsoft] [ODBC SQL Server Driver] [Shared memory] SQL Server does not exist or access denied.'
I am guessing that I need to create some sort of server which I can use to run SQL server.
Could anyone let me know how I do this? And also if I will be able to run Query analyzer on SQL Express edition.
Running VB 2005 Express Edition and Sql Server 2005 Express Edition (SQLX).
Developing a desktop application which calls a local instance of ".sqlexpress".
This app needs to set data base options and add/del various table columns.
When activating the application role, I get the following message:
HariCari SQL Error/s 15422 - Application roles can only be activated at the ad hoc level.
Anyone know what this message means?
I have searched SQL Server Books On-Line and been unable to find a list of Sql err numbers. Either I have missed the obvious or Books On-Line has missed the obvious.
I have been trying to get my dynamic query to work with sp_executesql and I cant seem to figure out this one issue.DECLARE @SQL NVARCHAR(1000)SET @SQL = N'WITH Data AS(SELECT Id, Username, FirstName, LastName, Email, LastLogin, ROW_NUMBER() OVER(ORDER BY @SortExpression) AS RowNumber FROM Users) SELECT * FROM Data WHERE RowNumber BETWEEN @Between1 AND @Between2'EXECUTE sp_executesql @SQL, N'@SortExpression VARCHAR(50), @Between1 INT, @Between2 INT', @SortExpression = 'Email', @Between1 = 1, @Between2 = 10As you can see, the data should get sorted by the value of @SortExpression. However thats not the case. The Data does not get sorted at all no matter that i pass in as the value of @SortExpression.I can't seem to figure out why its not working.
I'm having trouble working out why the sp_executesql procedure is not replacing my place holders with the value assigned to it.
Some quick info: I'm running the routine from the commandline through OSQL on a box that has MSSQL2000 enterprise installed. The code is sent to a MSSQL2005 box.
I've noticed one dumb thing I've done and that is making the nvarchar variable @db_name a different size to the one declared in the sp_executesql command. But I'm not sure if that is the problem. It throws a @db_name is not a database error etc.
Snippet that is not working:
declare @db_name varchar(80)
declare @sql_command nvarchar(1500)-- for our dynamic sql command within the cursor loop.
Hi I am trying to execute sp_executesql dynamically. What I am trying to do is read all the user tables using a cursor build sql statement and using EXEC sp_execute sqlstmt. Here is piece of code.
DECLARE C1 CURSOR FOR SELECT NAME FROM SYSOBJECTS WHERE XTYPE='U' OPEN c1 FETCH NEXT FROM C1 INTO @v_TableName WHILE @@FETCH_STATUS = 0 BEGIN SELECT @v_SQL= 'DROP TABLE ' + @v_TableName --EXEC @v_SQL PRINT @v_SQL IF @v_Error<>0 BEGIN SELECT @ErrorCount=@ErrorCount+1 PRINT 'ERROR OCCURED WHILE DROPING TABLE ' + @v_TableName --GOTO ErrorHandler END FETCH NEXT FROM C1 INTO @v_TableName END CLOSE c1 DEALLOCATE C1
hi everybody How can we execute a string of sql statements in Oracle ,similar to sp_executesql in sql server. ie a string can contain insert into a table statement,delete a row from a table statement, update etc. Thanks all of You
Is there anything that will allow you to execute a line of sql code if it is longer than 4000 Unicode characters? The line of code is stored in a NVARCHAR Variable.
I'm using sp_ExecuteSQL and have hit the 4000 character wall
Hi all,Can sp_executesql used inside a user defined function, itried but it has compiled well, but when i call the functio it showsOnly functions and extended stored procedures can be executed fromwithin a function.What i have went wrongThanks in advancethomson
I have a full sql statement which was generated dynamicly, and need toexecute that string and then take the output and generate aspreadsheet document based on the output. I'm new to sql and the bookI have doesn't really explain much. Anyone with an example of theirwork would be appreaciated.thank you.
(RECEIVE message_body, conversation_handle, message_type_name, message_sequence_number, conversation_group_id FROM ' + @callingQueue + ' INTO @msgTable WHERE conversation_group_id = '
+ CAST(@conversationGroup AS char) + '), TIMEOUT 2000'
EXEC sp_executesql @SQL, N'@msgTable TABLE output', @msgTable out
I get the following message:
Msg 137, Level 15, State 2, Procedure CENTRAL_Queue_Processor, Line 92
Must declare the scalar variable "@msgTable".
I have decalred the variable but it is a table variable, this leadds me to believe sp_execute sql only supports scalar varibles not table variables, BOL does not say yes or no in this respect.
I am using sp_executesql this to pass parameter to sql string and I am seeing deadlock between sp_prepexec which does UPDATE with another UPDATE done by another process. When it comes to speed and deadlock, would you recomand not using sp_executesql?
In out web application it happens very rarely that same query gets executed more than once meaning that sp_executesql is degrading performance. Does anyone know a way to tell ADO.NET to stop encapsulating queries in sp_executesql? Thank you.
Hi all, I just wanted to know why this doesn't work: if @1's values is computer---------------------------------------------------------------------------------------------------------- BEGIN FETCH NEXT FROM keyword_cursor into @1 SELECT @sql = @sql + 'where title LIKE ' + '''%@x1%''' + ' OR notes like ' + '''%@x1%''' SELECT @paramlist = '@x1 nvarchar(200)' print @sql EXEC sp_executesql @sql, @paramlist, @1 RETURN 0 ENDThe @sql string evaluates to:select title, notes from pubs..titles where title LIKE '%@x1%' OR notes like '%@x1%'-----------------------------------------------------------------------------------------------------------But this works: BEGIN FETCH NEXT FROM keyword_cursor into @1 SELECT @sql = @sql + 'where title LIKE ''%''+ @x1 + ''%'' OR notes like ''%'' + @x1 + ''%''' SELECT @paramlist = '@x1 nvarchar(200)' print @sql EXEC sp_executesql @sql, @paramlist, @1 RETURN 0 ENDThe @sql string evaluates to:select title, notes from pubs..titles where title LIKE '%'+ @x1 + '%' OR notes like '%' + @x1 + '%'---------------------------------------------------------------------------------------------------------------I just don't get it ?? Doesn't sp_executesql just replaces the @x1 with @1?
I try to write query that use sp_executesql to query data by Like operation with 1 parameter like below: execute sp_executesql N'SELECT DISTINCT au_id, au_lname,au_fname FROM authors WHERE au_lname LIKE @au_lname ', N'@au_lname nVarChar', @au_lname = N'%Cas%'
but It return all rows regardless of changing condition to any value.
But if i don't use sp_executesql like below:
SELECT DISTINCT au_id, au_lname,au_fname FROM authors WHERE au_lname LIKE N'%Cas%'
I try to write query that use sp_executesql to query data by Like operation with 1 parameter like below: execute sp_executesql N'SELECT DISTINCT au_id, au_lname,au_fname FROM authors WHERE au_lname LIKE @au_lname ', N'@au_lname nVarChar', @au_lname = N'%Cas%'
but It return all rows regardless of changing condition to any value.
But if i don't use sp_executesql like below:
SELECT DISTINCT au_id, au_lname,au_fname FROM authors WHERE au_lname LIKE N'%Cas%'
Hi, I want to use the output of the sp_executesql to update a coulmn in the table. example -first i run the below to get output execute sp_executesql @Query, @returnedCount output
-then I want to use that output to update another coulmn in the table update tableName set coulmn=@returnedCount
I am new to this and cannot figure out how. Can someone please guide me? thank you!!
Hi all i have Function and in the context of this function i need to build a Dynamic Query String according to input parameters and execute it with sp_executesql. BUT until now i didn't know that SQL doesn't allow to have Exec command within a function,am i right? Apparently this is true because for example create the following Function..
Create Function Test(@Input int) Returns int AS Begin Exec sp_who -- only for Test purpose Return @Input End
Now Execute this --> Select dbo.test(12)..... Sql Server will return the following Error
Server: Msg 557, Level 16, State 2, Procedure Test, Line 6 Only functions and extended stored procedures can be executed from within a function.
Could Any one help me? i need function with dynamic Sql execution because i can only use function in SELECT statements !!!
Any help greatly would be appreciated. Kind Regards.
IF OBJECT_ID(N'aquery') is not null DROP FUNCTION aquery GO
CREATE FUNCTION aquery() Returns nvarchar(500) as Begin Declare @var nvarchar(500); Set @var = 'Select Distinct Description from dbo.tblScanners'; Return @var end GO
exec sp_executesql aquery;
I created that code to prove if it works. But the result doesn´t appear, and the message is:
