Controlling The Sequence Of Execution
Oct 26, 2007
Hello,
I have a sequence problem in a package and I'm unable to figure it out: I have a control flow with some elements in this specified order: a script task -> Execute SQL task -> Data Flow. The script task is responsible for setting a value on a package variable; this same variable will then be used to decide if the Data Flow is disabled or not (there's an expression on the DataFlow). However, it looks like the variable is being tested before the script actually writes it, how can I guarantee that the DataFlow's expression is evaluated only after the script task has ended? Also, I have tried putting each component inside their own sequence container and I get the same result
Thanks in advance
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Jun 18, 2015
Is there a way to control SSIS 2014 package execution schedule. I have 8 different packages that I have to schedule for this project and these packages need to be executed only when the data is available on the source for the package to grab. So the idea we are banking on is to create a Control table with package execution flag and when the flag is set to yes for a package that will be executed via SQL Server agent. How would I accomplish this?
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Dec 26, 2007
Hello to every body
I need to know about sequence of execution in a select command.
I have a sql command that use a function.some thing like:
select id, function(item)
from tbl
where conditions...
I want to know that if my function on item execute before where section or vise versa.
I try to explain it more. I want to know that sql engine fetch rows accordin to where clause and then execute my function or execute my funtion and then fetch the rows according to where clause.
If you have a document or some thing that explain about sql engine and sequence of execution please let me know.
Your help is really appriciated.
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Dec 20, 2007
Hi all,
When we use more that one datasets in report, how can we know which dataset will be executed first.
For example if we have added 2 datasets (dataset1 and dataset2) and both of them are using stored procedures.
How can we know whether dataset1 will be executed first or dataset2.
In my case I need to execute one dataset first that loads data to database tables and then want to execute second dataset that calls stored procedure that depends on table data there were filled by first dataset.
Thanks,
.....Hinesh
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Feb 17, 2014
How the procedure will be called inside the trigger,whether first procedure followed by second or parallel it will execute?
CREATE TRIGGER [dbo].[InsertDatFXActualStaging]
ON [dbo].[DatFXActualStaging]--change this table to DatFXActualStaging
for INSERT
AS
BEGIN
SET NOCOUNT ON;
[Code] ....
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Apr 25, 2008
I have one Data flow, which trasfer data into two table (Parent & Child) .
My question is : Is there a way, i can load data first into parent and then child table. because child table getting load first after that parent table loading. (Execution should be Source Parent --> Destination Parent) First , (Source Child --> Destination Child) Second.
In my case its executing reverse. So i have foreign key constraints at child table , its giving foreign contraints error while running ssis package
Can any one tell me,
How to define my own sequence execution at the Data flow task (Source - Destination) ?
Thanks
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Apr 14, 2007
I have windows application (Basically a accounting system). I want to use either SQL authenticaion, or Windows authentication for my users of the application (Basically each db user will have their own account in Users for that db, so I can have sql control the access).
All access to the db is via stored procedures, but I want to have a set schema for each user type:
Supervisor
Manager
Data Entry
etc.
All with a predefined access to the proper stored procedures(So far fairly simple).
In addition to this I want to be able to set the specifics of that user in my .net application via a interface (so a user by default will have the pre-defined schema, when a supervisor opens this interface, they can add/remove access to other stored procedures)
Here's the issue. Is this the proper methodology to achieve this, because it's quite of bit of programming work. I don't want to do it then need to re-due everything.
Also should I use Windows Authentication, or SQL, or have a completly seperate table in the DB where I do manual authentication then have the .net application restrict the access?
Any help or comments on this approach will be helpful. Also ifanyone has found any articles or information similiar to what I am trying to accomplish, please point me in the correct direction.
Thanks.
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Jan 18, 2006
Folks,
Our client has requested that we change the export file name (PDF and others) to match the report name. Currently, the name is based on the report's filename (eg, foo.rdl exports as foo.pdf) -- this causes problems because the same RDL is being used for a few fairly different reports. Is this controllable at all?
thanks,
--randy
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Nov 29, 2007
Hi
I have a main report and wanted to embed a sub report in the main table. This is pretty easy enough.
The main report lists the suppliers we have. And the sub report lists any sub suppliers affialiated to those suppliers.
I have set the sub report visibility settings to hidden and is toggled by the suppliers ID.
The problem is that NOT ALL suppliers will have sub-suppliers, yet when you run the report the user gets presented with the option to toggle all suppliers' ID.
Is there any way to have a main report that only allows the user to click on a suppliers ID when that particular supplier has a sub supplier?
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Jul 14, 2006
Hi everyone:
I need to use the "SET ROWCOUNT" statement to limit the amount of data returned to the application in a query, I know that if "SET ROWCOUNT = 0" is not specified at the end of this stored proc all the next queries will return only the amount of records specified in the initial "SET ROWCOUNT" call, so I would like to know if a I can have something like the TRY-CATCH-FINALLY statement (in SQL-92 for SQL Server 2000, not in SQL 2005) to make sure the "SET ROWCOUNT = 0" is sent at the end even if an error is raised.
Can it be done?
Thanks for any help.
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Oct 20, 2006
Hi,
Can someone tell me how I can manage different versions of my OLAP Database, in Analysis Services 2000 without having to use Archive database ?
I want only the design of my cubes and my dimensions. Is there any way to get the script of a cube?
Is there any tool available to do this kind of actions ?
Thanks in advance.
Ashish
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Jul 23, 2005
Hi,I'm writing an application that involves data that has a set of usersthat are allowed to perform certain operations on it.i.e. Only the row owner can modify a row, but there is a set of userswho can view it.At the moment, I've started to implement this by calling a UDF at thebeginning of each stored procedure that validates that the user isallowed to call the procedure on that particular row (trusting a higherteir to verify the user), and throws an error if they are not.I don't particularly like this solution, as I need a UDF for eachprocedure, and will have to re-write the udf's if the access ruleschange (which they might).Can anyone suggest a method of implementing a more generic rowpermissions system?Cheers,Ben
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Nov 8, 2007
Hi All,
We have an odd OLE DB error here. We can create the connection but only lookup a handfull of tables that are in the database. (Maybe only 10 of 50 - of which I need the ones not being displayed) Even if I choose a table from the incomplete list and try and close the dialog I get the following error. We are trying to pull data from an IBM AS400 if that makes any difference. It did work in SQL2000 - Hope you can help us!!!
---
ERROR at HTEIMPORT(table) [connection manager "IPaddress.user.database"]; SSIS Eroor Code DTS_E_OLEDBERROR. An OLE DB error has occurred. Error code: 0x80040E33. An OLE DB record is available. Source: "Microsfot OLE DB Service Components" Hresult: 0x80040E22 Description: "Non-NULL controlling IUnknown was specified, and either the requested interface was not IUnknown, or the provider does not support COM aggregation.".
Error at SQLTaskName [OLE DB Source [423]]: SSIS Error Code DTS_E_CANNOTACQUIRECONNECTIONFROMCONNECTIONMANAGER. The AquireConnection method call to the connection manage "IPAddress.useratabase" failed with error code 0xC0202009. There may be error messages posted before this with more information on why the AquaireConnection method call failed.
Additional information:
Exception from HRESULT: 0xC020801C (Microsoft.SqlServer.DTSPipelineWrap)
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Nov 12, 2007
I have a problem at the company I work for. For historic reasons many developers and users know the sa passwords for SQL. Obviously this is not a good situtation to be in. Now the obvious answer it to just change this but for reasons unknown to sanity half of our applications are hardcoded to use sa passwords.
Now as a DBA coming into this this puts me in a tricky position as its impossible for me to control who is doing what etc. Is it possible to put triggers or something to monitor logins which will deny access to anyone accessing via the sa password not through an application. Ie if an application calls then the sa will have to be allowed but if a user using Query Analyser for example tries to use sa then they are denied access ?
Long term all these passwords are going to change but it the short term I still need to create some control on the system. Anyone have any thoughts ?
Si
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Feb 13, 2007
I have a few hundred data files that I need to process in groups from oldest to most recent. To that end, I have created staging folders for each date that appears in the file names (example: 20060213) and moved all of the data files to the appropriate folders.
I also have these folder names in a recordset that has been sorted in ascending order, so the oldest date should be the first record, the second-oldest date should be second and so on. My thinking is to use this recordset with a ForEach Loop Container to loop through each folder, but I am not sure if Integration Services will necessarily loop through the records in order.
Can someone tell me whether the records will be processed in order or suggest a better alternative to make sure the directories are processed in the correct order?
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Oct 5, 2007
I have a one table with 30-second updates for many day's worth of data. What I'd like to do is only select out the datetime between, say 07:00:00.000 and 11:00:00.000 for each day.
select * from TableName where "timestamp"
between '2007-06-04 07:00:00.000' and '2007-06-04 11:00:00.000'
This works for one specific day. But I'd like a return of values for all possible days in the table (as opposed to just 2007-06-04).
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Jun 14, 2007
Hey Folks!
I have a typical requirement by my client. On submitting a Update (Bulk) button a huge database operation starts. A huge bulk update operation need to be performed. This would take 2-3 minutes some times. Client wants a cancel button in this case where he can be given a way to cancel the database Transaction.
Please let me know in case if there is a way out.
Thanks, in advance.
Regards,
Uday.D
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Sep 29, 2005
Hi to allI wish to be able to have a standard select statement which hasadditional fields added to it at run-time based on suppliedparameter(s).iedeclare @theTest1 nvarchar(10)set @theTest1='TRUE'declare @theTest2 nvarchar(10)set @theTest2='TRUE'selectp_full_nameif @theTest1='TRUE'BEGINother field1,ENDif @theTest2='TRUE'BEGINother field2ENDfrom dbo.tbl_GIS_personwhere record_id < 20I do not wish to use an IF statement to test the parameter for acondition and then repeat the entire select statement particularly asit is a UNIONed query for three different statementiedeclare @theTest1 nvarchar(10)set @theTest1='TRUE'declare @theTest2 nvarchar(10)set @theTest2='TRUE'if @theTest1='TRUE' AND @theTest2='TRUE'BEGINselectp_full_name,other field1,other field2from dbo.tbl_GIS_personwhere record_id < 20ENDif @theTest1='TRUE' AND @theTest2='FALSE'BEGINselectp_full_name,other field1from dbo.tbl_GIS_personwhere record_id < 20END......if @theTest<>'TRUE'BEGINselectp_full_namefrom dbo.tbl_GIS_personwhere record_id < 20ENDMake sense? So the select is standard in the most part but with smallvariations depending on the user's choice. I want to avoid risk ofbreakage by having only one spot that the FROM, JOIN and WHEREstatements need to be defined.The query will end up being used in an XML template query.Any help would be much appreciatedRegardsGIS Analyst
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Jun 25, 2007
A similar question has been asked in a different thread, but didn't get a conclusive answer. Is there a way to set process priority on a specific process (alternatively - processes started by a specific user), similar to what the Task Manager allows in Windows?
I need to archive some data from an OLTP database. Unfortunately, some of the tables are growing rather large, and copying the data, and especially removing it based on record age, is a resource-intensive operation. My database must be available 24/7, and I can't have queries timing out, or I start losing business real fast. I was thinking of firing off the archive script and setting the process priority on it to something lower than normal, so it won't interfere with my OLTP processes.
Maybe someone can suggest a better solution?
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Oct 16, 2015
I have a report I'm trying to modify for a client that has two auto-grow tablix. We want the second tablix to start after the first one completes, however the first tablix will overwrite the second one if it contains multiple rows, rather than pushing it down. How can I control this?
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Apr 26, 2007
I'm using Reporting Services 2000 and I have a situation where I need to specify the file formats available to export. I know I can change the RSReportServer.config file to change these at a global level, but what I really need is to be able to configure these differently for different user groups. For example:
group 1 - has all available export formats available
group 2 - only has the ability to export to excel
group 3 - has no option to export to any format.
Is there a way for this to be done? If so, can anybody give me any pointers on how it can be done?
Any help given will be most appreciated!!
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May 22, 2008
Hello everyone,
This is a new level of complexity for me..
The Boss wants..
1. To control an SSIS package , start, check status, and emergency stop + rollback a package from a web page. Does anyone know of an example or good articles to start with.
2. I have one of the iterations of the data invoke and use a COM object (third party) It will value the items and change a field.
I can always do #2 as a second step but I need all the help I can get on #1.
Thank you,
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Jan 23, 2007
VS2005/SSR2005 Reporting: How can one control an individual report fields visibility (toggle on/off) at run time, based on data values (of the same field or another field) in the report. Without user having to sit there and "Click".
Thanks
Zulu5255
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Jul 19, 2007
Is there a way to control how many Detail Rows are displayed on one page in Table and Matrix controls?
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Aug 23, 2007
after moving off VS debugger and into management studio to exercise our SQLCLR sp, we notice that the 2nd execution gets an error suggesting that our static SqlCommand object is getting reused from the 1st execution (of the sp under mgt studio). If this is expected behavior, we have no problem limiting our statics to only completely reusable objects but would first like to know if this is expected? Is the fact that debugger doesnt show this behavior also expected?
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Dec 7, 2005
Hi I am slowly getting to grips with SQL Server. As a part of this, I have been attempting to work on producing more efficient queries. This post is regarding what appears to be a discrepancy between the SQL Server execution plan and the actual time taken by a query to run. My brief is to produce an attendance system for an education establishment (I presume you know I'm not an A-Level student completing a project :p ). Circa 1.5m rows per annum, testing with ~3m rows currently. College_Year could strictly be inferred from the AttDateTime however it is included as a field because it a part of just about every PK this table is ever likely to be linked to. Indexes are not fully optimised yet. Table:CREATE TABLE [dbo].[AttendanceDets] ([College_Year] [smallint] NOT NULL ,[Group_Code] [char] (12) COLLATE SQL_Latin1_General_CP1_CI_AS NOT NULL ,[Student_ID] [char] (8) COLLATE SQL_Latin1_General_CP1_CI_AS NOT NULL ,[Session_Date] [datetime] NOT NULL ,[Start_Time] [datetime] NOT NULL ,[Att_Code] [char] (1) COLLATE SQL_Latin1_General_CP1_CI_AS NOT NULL ) ON [PRIMARY]GO CREATE CLUSTERED INDEX [IX_AltPK_Clust_AttendanceDets] ON [dbo].[AttendanceDets]([College_Year], [Group_Code], [Student_ID], [Session_Date], [Att_Code]) ON [PRIMARY]GO CREATE INDEX [All] ON [dbo].[AttendanceDets]([College_Year], [Group_Code], [Student_ID], [Session_Date], [Start_Time], [Att_Code]) ON [PRIMARY]GO CREATE INDEX [IX_AttendanceDets] ON [dbo].[AttendanceDets]([Att_Code]) ON [PRIMARY]GOALL inserts are via an overnight sproc - data comes from a third party system. Group_Code is 12 chars (no more no less), student_ID 8 chars (no more no less). I have created a simple sproc. I am using this as a benchmark against which I am testing my options. I appreciate that this sproc is an inefficient jack of all trades - it has been designed as such so I can compare its performance to more specific sprocs and possibly some dynamic SQL. Sproc:CREATE PROCEDURE [dbo].[CAMsp_Att] @College_Year AS SmallInt,@Student_ID AS VarChar(8) = '________', @Group_Code AS VarChar(12) = '____________', @Start_Date AS DateTime = '1950/01/01', @End_Date as DateTime = '2020/01/01', @Att_Code AS VarChar(1) = '_' AS IF @Start_Date = '1950/01/01'SET @Start_Date = CAST(CAST(@College_Year AS Char(4)) + '/08/31' AS DateTime) IF @End_Date = '2020/01/01'SET @End_Date = CAST(CAST(@College_Year +1 AS Char(4)) + '/07/31' AS DateTime) SELECT College_Year, Group_Code, Student_ID, Session_Date, Start_Time, Att_Code FROM dbo.AttendanceDets WHERE College_Year = @College_YearAND Group_Code LIKE @Group_CodeAND Student_ID LIKE @Student_IDAND Session_Date <= @End_DateAND Session_Date >=@Start_DateAND Att_Code LIKE @Att_CodeGOMy confusion lies with running the below script with Show Execution Plan:--SET SHOWPLAN_TEXT ON--Go DECLARE @Time as DateTime Set @Time = GetDate() select College_Year, group_code, Student_ID, Session_Date, Start_Time, Att_Code from attendanceDetswhere College_Year = 2005 AND group_code LIKE '____________' AND Student_ID LIKE '________'AND Session_Date <= '2005-11-16' AND Session_Date >= '2005-11-16' AND Att_Code LIKE '_' Print 'First query took: ' + CAST(DATEDIFF(ms, @Time, GETDATE()) AS VarCHar(5)) + ' milli-Seconds' Set @Time = GetDate() EXEC CAMsp_Att @College_Year = 2005, @Start_Date = '2005-11-16', @End_Date = '2005-11-16' Print 'Second query took: ' + CAST(DATEDIFF(ms, @Time, GETDATE()) AS VarCHar(5)) + ' milli-Seconds'GO --SET SHOWPLAN_TEXT OFF--GOThe execution plan for the first query appears miles more costly than the sproc yet it is effectively the same query with no parameters. However, my understanding is the cached plan substitutes literals for parameters anyway. In any case - the first query cost is listed as 99.52% of the batch, the sproc 0.48% (comparing the IO, cpu costs etc support this). BUT the text output is:(10639 row(s) affected) First query took: 596 milli-Seconds (10639 row(s) affected) Second query took: 2856 milli-SecondsI appreciate that logical and physical performance are not one and the same but can why is there such a huge discrepancy between the two? They are tested on a dedicated test server, and repeated running and switching the order of the queries elicits the same results. Sample data can be provided if requested but I assumed it would not shed much light. BTW - I know that additional indexes can bring the plans and execution time closer together - my question is more about the concept. If you've made it this far - many thanks.If you can enlighten me - infinite thanks.
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Aug 3, 2007
Hello :
How to execute a procedure stored during execution of the report, that is before the poster the data.
Thnak you.
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Sep 28, 2006
Hi,
Using RAISERROR from within a stored prcedure will result in a SQLException being thrown at the client side of a JDBC connection.
I am trying to provide a meaningfull error message to be shown to the end user. However, all exceptions thrown will inevitably start with : "[Microsoft][SQLServer 2000 Driver for JDBC][SQLServer]". The following questions then arise :
- Is there a way of configuring SQL Server not to display this header ?
alternatively,
- Is there another way of conveying error messages to the client through JDBC ?
Thank you for your answers,
Ben
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Nov 29, 2004
Here's my case, I have written a stored procedure which will perform the following:
1. Grab data from a table using cursor,
2. Process data,
3. Write the result into another table
If I execute the stored procedure directly (thru VS.NET, or Query Analyser), it will run, but when I tried to execute it via a scheduled job, it fails.
I used the same record, same parameters, and the same statements to call the stored procedure.
Any idea?
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Jul 7, 2006
The benefit of the actual execution plan is that you can see the actual number of rows passing through each step - compared to the estimated number of rows.But what about the "cost percentages" ?I believe I've read somewhere that these percentages is still just an estimate and is not based on the real execution.Does anyone know this and preferable have a link to something that documents it?Thanks
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Feb 6, 2004
Hi,
How can I generate a sequence No. using a simple SELECT statement.
like
declare @key
set @key = 1
SELECT @key, e.name from Employee
Now I want to display name of the employee and Key value which should get incremented automatically for each employee..
Is there any way?
Please help me..
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Dec 18, 2007
hi
i've been asked to write a sql sequence for a database i'm building but i haven't been using SQL very long and i have no idea how to write a sequence. Does anyone know anything about sql sequences?
thanks
jessica
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