Question On Data Flow In SQL SERVER 2005
Apr 8, 2008
I have a dtspkg in SQL 2000 That used to extract data from one SQL Server and loand it into Another SQL SERVER.
There are abt 15 tbls, that I extract from the SAME source SQL Server to Same destn SQL Server. When I mgrate this pkg to SQL SERVER 2005, Does this mean, I have to setup 15 DIFF Data flow for each source and destn table? if so the pkg is going to look very complicated. Since my Source sqls erver and destn sql server is the same, is there no way I can do this data extract in 1 data flow only, instead of 15 diff ones? Are any other options u recommed? Pl advise.
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Aug 29, 2007
Hello,
Is it possible to use existing data flow components (Merge Join, aggregation,...) in a custom data flow component?
Thanks,
Yoann
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May 17, 2007
I have just installed Service Pack 2 on my SQL 2005 Standard Edition.
However, now all my SSIS packages will not allow me to open my Data FLow Tasks. I get the following error:
TITLE: Microsoft Visual Studio
------------------------------
Cannot show the editor for this task.
------------------------------
ADDITIONAL INFORMATION:
The task returned an unsupported control editor type. (Microsoft.DataTransformationServices.Design)
If I try to create a new Data Flow task I get:
TITLE: Microsoft Visual Studio
------------------------------
Failed to create the task.
------------------------------
ADDITIONAL INFORMATION:
The designer could not be initialized. (Microsoft.DataTransformationServices.Design)
I have tried to install the latest hotfixes after this but they had no effect.
Can anybody help me???? Please?
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Feb 14, 2006
Hi, All,
I need to pass a parameter from control flow to data flow. The data flow will use this parameter to get data from a Oracle source.
I have an Execute SQL task in control flow to assign value to the Parameter, next step is a data flow which will need take a parameter in the SQL statement to query the Oracle source,
The SQL Looks like this:
select * from ccst_acctsys_account
where to_char(LAST_MODIFIED_DATE, 'YYYYMMDD') >?
THe problem is the OLE DB source Edit doesn€™t have anything for mapping parameter.
Thanks in Advance
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Mar 9, 2007
I have an Execute SQL Task that returns a Full Rowset from a SQL Server table and assigns it to a variable objRecs. I connect that to a foreach container with an ADO enumerator using objRecs variable and Rows in first table mode. I defined variables and mapped them to the columns.
I tested this by placing a Script task inside the foreach container and displaying the variables in a messagebox.
Now, for each row, I want to write a record to an MS Access table and then update a column back in the original SQL Server table where I retreived data in the Execute SQL task (i have the primary key). If I drop a Data Flow Task inside my foreach container, how do I pass the variables as input to an OLE DB Destination on the Data Flow?
Also, how would I update the original source table where source.id = objRects.id?
Thank you for your assistance. I have spent the day trying to figure this out (and thought it would be simple), but I am just not getting SSIS. Sorry if this has been covered.
Thanks,
Steve
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Jan 17, 2008
Dear All!
My package has a Data Flow Task. In Data Flow Task, I use a Script Component and a OLE BD Destination to transform data from txt file to database.
Within Data Flow Task, I want to call File System Task to move file to a folder or any Task of "Control Flow" Tab. So, Does SSIS support this task? Please show me if any
Thanks
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May 17, 2007
Hi everyone,
Primary platform is 64 bit cluster.
How to move information allocated in SSIS variables from Data Flow to Control Flow layers??
We've got a SSIS package which load a value into a variable inside a Data Flow. Going back to Control Flow how could we retrive that value again????
Thanks in advance and regards,
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Jan 12, 2006
I'm currently setting variables at the package level with an ExecuteSQL task. This works fine. However, I'm now starting to think about restartability midway through a package. It would be nice to have the variable(s) needed in a data flow set within the data flow so that I only have to restart that task.
Is there a way to do that using an SQL statement as the source of the value in a data flow?
OR, when using checkpoints will it save variable settings so that they are available when the package is restarted? This would make my issue a moot point.
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Sep 20, 2007
Hi all,
I am looking for a way to leave a Data Flow Task destination table name as-is, and have SSIS auto-create the table if it doesn't exist already.
I searched on this in the forums but based on the question it's difficult to kow if it has been answered or not.
Details:
I am writing some SSIS packages that need to be executable on another server. Many of the Data Flow Tasks copy data (such as from a Fuzzy Grouping transformation, and lots of other stuff) into a new table. But the other server will not have these tables set up for the first run.
My current solution is to check information_schema.tables and drop IF EXISTS. But, then the Data Flow Task will not work (becase table does not exist). So, I script to new window a create table statement based on the existing table that I use in my dev environment. This is a hack and I want to find a better method.
It is quite possible (although unlikely) that the source columns could be changed in the future, or some query used to pull the data might be modified. If this happens, then I would need to change the CREATE TABLE Execute SQL task. I want my package to accommodate without having to modify it.
When I use the Import/Export Wizard, I can select a table name from the drop down list OR type in a new name. When I type in the new name, it assumes I want to create the table. NOW, is there a way to mimic this in BI Developer Studio? Yep, I saved the Wizard version of the SSIS package and all it does is run a CREATE TABLE statement first.
I am looking for a way to leave a Data Flow Task destination table name as-is, and have SSIS auto-create the table if it doesn't exist already.
Any ideas?
Brian Pulliam
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Mar 28, 2008
Hi All,
I want to export data from SQL Server2005 to an Excel spreadsheet thru "Data Flow Task". I am using OLE DB for SQL Server for the source connection and a Connection To Excel as my destination source. The Excel spreadsheet (2003) exists and has the first row with column names. I don't have any warnings before trying to execute.
The SQL datable fileds are
i) ID - Int
ii) RefID
iii) txtRemarks - nvarchar(MAX)
iv) ddlWaterLevel - nvarchar(50)
While executing the tasks, I got the error
Error: 0xC0202025 at Data Flow Task, Excel Destination [427]: Cannot create an OLE DB accessor. Verify that the column metadata is valid.
Error: 0xC004701A at Data Flow Task, DTS.Pipeline: component "Excel Destination" (427) failed the pre-execute phase and returned error code 0xC0202025.
After analysing I found in the DataFlow --> Excel destination --> Advanced Editor for Excel Destination, the default data type for txtRemarks shows as "Unicode string [DT_WSTR]". But this is supposed to be "Unicode text stream [DT_NTEXT]". Even if I change the data type in the design time, It doesn't accept.
Please do help me out.
thanks
Sanra
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Jan 29, 2008
I need to call a stored procedure to insert data into a table in SQL Server from SSIS data flow task.
I am currently trying to use OLe Db Destination, but I am not sure how to map inputs to OLE DB Destination to my stored procedure insert.
Thanks
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Jul 22, 2007
Hi all! I recently started working with SSIS and one of the things that is puzzling me the most is what's the best way to go:
A small control flow, with large data flow tasks
A control flow with more, but smaller, data flow tasksAny help will be greatly appreciated.
Thanks,
Ricardo
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Dec 28, 2007
Hi,
I'm trying to implement an incremental data pull (Oracle to SQL) based on Andy's blog:
http://sqlblog.com/blogs/andy_leonard/archive/2007/07/09/ssis-design-pattern-incremental-loads.aspx
My development machine is decent: 1.86 GHz, Intel core 2 CPU, 3 GB of RAM.
However it seems the data flow task gets hung whenever I test the package against the ~6 million row source, as can be seen from these screenshots. I have no memory limitations on the lookup transformation. After the rows have been cached nothing happens. Memory for the dtsdebug process hovers around 1.8 GB and it uses 1-6 percent of CPU resources continuously. I am not using fast load to insert new records into my sql target table. (I am right clicking Sequence Container 3 and executing this container NOT the entire package in the screenshots)
http://i248.photobucket.com/albums/gg168/boston_sql92/1.jpg
http://i248.photobucket.com/albums/gg168/boston_sql92/2.jpg
http://i248.photobucket.com/albums/gg168/boston_sql92/3.jpg
http://i248.photobucket.com/albums/gg168/boston_sql92/4.jpg
http://i248.photobucket.com/albums/gg168/boston_sql92/5.jpg
http://i248.photobucket.com/albums/gg168/boston_sql92/6.jpg
The same package works fine against a similar test table with 150k rows.
http://i248.photobucket.com/albums/gg168/boston_sql92/7.jpg
http://i248.photobucket.com/albums/gg168/boston_sql92/8.jpg
The weird thing is it only takes 24 minutes for a full refresh of the entire source table from Oracle to the SQL target table.
Any hints,advice would be appreciated.
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Feb 20, 2008
Hi... Please help. I am having problem with my hard drive so I git a new one. I installed a new instance of SQL Server 2005 and copy over all my projects from the old hard drive into the new.
The problem is, when I open my packages specifically the data flow task it is empty. All my dataflow items are gone.
I am not sure what I am missing during the copy. Please help how I can recover my complete packages.
Thanks a lot!
Concon
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Mar 7, 2008
Hello all,
I am creating an SSIS package that takes data from a SQL Server 2005 table, adds some columns, programatically changes some values based on business requirements, and then writes the output to an Excel template which I've already prepared. Everything seems to work fine, but the package always errors out when immediately after it hits the Excel Destintation component, with the following errors:
Error: 0xC0202009 at Process Quarterly Data, Export to Excel [12621]: An OLE DB error has occurred. Error code: 0x80040E21.
Error: 0xC0202025 at Process Quarterly Data, Export to Excel [12621]: Cannot create an OLE DB accessor. Verify that the column metadata is valid.
Error: 0xC004701A at Process Quarterly Data, DTS.Pipeline: component "Export to Excel" (12621) failed the pre-execute phase and returned error code 0xC0202025.
I have verified that the Excel destination file is writing the correct headers to the specified file. I thought that the issue might be that one of the dynamically created columns isn't matching the Excel file, so I manually checked each and every one of them (there are 248 columns, although a lot of them aren't really used - however, we are required to use the template provided , so must include fields in the specified order whether or not they have any data) and made sure that I selected the exact same datatype for each column. However, I still get the error and no rows are written to the Excel file.
Here is the code generated by the Excel Destination Manager:
Generated Code - Excel Destination (SSIS)
CREATE TABLE `xxx_LoadData` (
`PART NUMBER` NVARCHAR(255),
`PART NAME` NVARCHAR(255),
`PRICE TBD` INTEGER,
`PRICE` MONEY,
`UOI` NVARCHAR(4),
`Items per UOI` INTEGER,
`NSN` NVARCHAR(255),
`OEM NAME` NVARCHAR(255),
`OEM PN` NVARCHAR(200),
`UPC` NVARCHAR(255),
`DESCRIPTION` NVARCHAR(255),
`EXPANDED DESCRIPTION` ntext,
`CLASSIFICATION CODE` NVARCHAR(255),
`DAYS ARO` INTEGER,
`IMAGE DESCRIPTION` NVARCHAR(255),
`IMAGE URL IF SELF HOSTED OR IMAGE NAME MANTECH HOSTED` NVARCHAR(255),
`SHIPPING WEIGHT` REAL,
`SHIPPING WEIGHT UNIT OF MEASURE` NVARCHAR(4),
`SHIPPING LENGTH` REAL,
`SHIPPING WIDTH` REAL,
`SHIPPING HEIGHT` REAL,
`SHIPPING UNIT OF MEASURE` NVARCHAR(4),
`PRODUCT WEIGHT` REAL,
`PRODUCT WEIGHT UNIT OF MEASURE` NVARCHAR(4),
`PRODUCT LENGTH` REAL,
`PRODUCT WIDTH` REAL,
`PRODUCT HEIGHT` REAL,
`PRODUCT UNIT OF MEASURE` NVARCHAR(4),
`FEDERAL SUPPLY CODE` NVARCHAR(255),
`ENAC CODE` NVARCHAR(255),
`PACKAGE UNIT OF ISSUE` NVARCHAR(4),
`PACKAGE UNITIP OF ISSUE` NVARCHAR(4),
`PACKAGE PRICE` MONEY,
`CERTIFIED NSN` NVARCHAR(255),
`COG CODE` NVARCHAR(255),
`HAZMAT` NVARCHAR(255),
`UNSPSC` NVARCHAR(255),
`SALE_START_DATE` DATETIME,
`SALE_END_DATE` DATETIME,
`PB1 Quantity` INTEGER,
`PB1 Zone 1 Price` MONEY,
`PB1 Zone 1 Sale Price` money,
`PB1 Zone 2 Price` money,
`PB1 Zone 2 Sale Price` money,
`PB1 Zone 3 Price` money,
`PB1 Zone 3 Sale Price` money,
`PB1 Zone 4 Price` money,
`PB1 Zone 4 Sale Price` money,
`PB1 Zone 5 Price` money,
`PB1 Zone 5 Sale Price` money,
`PB1 Zone 6 Price` money,
`PB1 Zone 6 Sale Price` money,
`PB1 Zone 7 Price` money,
`PB1 Zone 7 Sale Price` money,
`PB1 Zone 8 Price` money,
`PB1 Zone 8 Sale Price` money,
`PB1 Zone 9 Price` money,
`PB1 Zone 9 Sale Price` money,
`PB1 Zone 10 Price` money,
`PB1 Zone 10 Sale Price` money,
/* Repeated through PB10 Zone 10 - code not shown for brevity */
)
Does anyone have any suggestions as to what I'm doing wrong? I'm making an attempt to set up a process for the company, instead of throwing something together; while that would be much quicker (I've spent pretty much the whole day working on this), lack of processes are a big detriment to our current operations.
Any help would be greatly appreciated - I'm not that familiar with SSIS or its nuances just yet.
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Nov 24, 2006
Hi, all here,
Thank you very much for your kind attention.
I am wondering if it is possible to use SSIS to sample data set to training set and test set directly to my data mining models without saving them somewhere as occupying too much space? Really need guidance for that.
Thank you very much in advance for any help.
With best regards,
Yours sincerely,
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Oct 1, 2014
I am tasked with truncating and reloading tables from one server to another. Company policy prevents cross-server queries, but allows SSIS packages with cross-server connections. I am doing this for about 25 tables. I have the table names in a single table & I have created an FEL to execute tasks against each table one-by-one. It works fine to truncate all the tables. I run into issues, though, with the DataFlowTask. I'm able to tell it which server & table to dynamically connect from and to, but it doesn't know how to map the metadata. They're the exact same columns and field names in both source & destination.
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Mar 20, 2007
Good morning, all,
I am working on importing an Excel workbook, saved as multiple CSV flat files, that has both group level data and related detail row on the same sheet. I have been able to import the group data into a table. As part of the Data Flow task, I want to be able to save the key value for the group, which I will use when I insert the detail rows.
My Data Flow has the following components: The flat file with the data, which goes to a derived column transformation to strip out extraneous dashes, which leads to the OLEDB Destination component.
I want to save the value as a package level variable, so that I can reference it in another dataflow.
Is this possible, and if so, at what point do I save the value?
Thanks,
Kathryn
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Nov 5, 2015
I Can't find the Data Flow Task in SSDT 2012.
Has it been replaced by another task or do I need to do something to make it visible?
Edit: It popped up under my favorite tasks.
[URL]
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Mar 29, 2007
I created a SSIS package and several data flow componenets for this package.
What does strategy exist to deploy SSIS package and data flow components into a enterparise server?
Thanks in advance.
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Jun 13, 2006
Hi everyone,
I have to extract, dayly a list of contacts on a exchange server in a table on our EDW on sql server 2005. Is it possible to get the information directly from a dataflow or i will have to developpe a script task ?
Need help desperatly !!!
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Jun 19, 2007
Hello,
I have noticed that for one of my data-flows, the process is really long during the phase "the final commit data insertion has started".
To be accurate, the process is fast until it reaches this phase. It happens often when I load millions of lines.
The extraction is done from a database SQL Server 2005 to a database SQL Server 2005, on the same server (with the SQL Server native provider).
I used a SQL Server destination but I have tried with an OLE DB destination and it is the same situation.
Why the process could be so long during this phase?
There is a way to optimised my package to avoid that?
Any idea is welcome.
Thanks.
Guillaume
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Apr 3, 2014
I need to see inside a SSIS 2012 project a new SSIS installed component, but in the SSDT 2010 I cannot see the SSIS Data Flow Items tab for adding data source/data destination respect to the choose toolbox items pane.
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Feb 28, 2008
Hi, all experts here,
Do we always have to use SCD component for the loading of data into data warehouse to handle changes of rows?
I am looking forward to hearing from you and thank you very much in advance for your help.
With best regards,
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May 12, 2006
I am getting the following error running a data flow that splits the input data into multiple streams and writes the results of each stream to the same destination table:
"This operation conflicts with another pending operation on this transaction. The operation failed."
The flow starts with a single source table with one row per student and multiple scores for that student. It does a few lookups and then splits the stream (using Multicast) in several layers, ultimately generating 25 destinations (one for each score to be recorded), all going to the same table (like a fact table). This all is running under a transaction at the package level, which is distributed to a separate machine.
Apparently, I cannot have all of these streams inserting data into the same table at one time. I don't understand why not. In an OLTP system, many transactions are inserting records into the same table at once. Why can't I do that within the same transaction?
I suppose I can use a UnionAll to join them back together before writing to a single destination, but that seems like an unnecessary waste and clutters the flow. Can anyone offer a different solution or a reason why this fails in the first place?
Thanks in advance.
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Jan 5, 2006
I need to know what a table's max row Identity is part way thru a data flow. I can't get it at the beginning of the data flow. I need to either (1) add it to the data buffer part way thru or (2) set it into a package variable and then reference the var in a script component.
I've not found a way to add a database column to the data buffer without doing a lookup for each row (too slow and not appropriate here) or some goofy oledb source and then merge join into the data buffer on a contrived join.
I've read questions about referencing package vars in scripts but I can't get that to work. DTS.Variables("varname").Value isn't recognised when I code it up.
Anyone have an idea or solution for either one of these? If you're gonna explain the script code, please include the entire snipet including the INCLUDEs, etc.
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Jan 11, 2006
I am new to SSIS programming, so bear with me if my question seems naive to you gurus. I have a situation that needs to set the data source for a data flow from external .NET application ('external' means that the application will run on different process than the SSIS). I am trying to set the data source on which the data flow works from my C# application in a DataSet format. Ideal solution is not to save the DataSet to any file on harddisk (I know that will work, but has the overhead of writing, reading and managing the temp file). What I want to achive is that the business logic of picking data for SSIS Data Flow to process is controlled inside my C# application, the Data Flow just does what it does best - Transformation. Have any of you successfully done this before?. Thanks!
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Oct 3, 2007
I have a fairly simple data flow task that loads data from one table (OLE DB Source) into another table (OLE DB Destination). The data type for one of the pairs of columns is nVarChar(120) and it contains version information that looks like a decimal. When I run the export, the destination has a trailing zero added after the decimal point as if it were a numeric column which invalidates our comparisons (string 1.0 is not the same as string 1.00). There is no cast or convert done to this column, it is a straight copy. Any ideas what could be causing this or how to fix?
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Sep 28, 2006
Hi,
I'm just wondering what's the best approach in Data Flow to convert the following input file format:
Date, Code1, Value1, Code2, Value2
1-Jan-2006, abc1, 20.00, xyz3, 35.00
2-Jan-2006, abc1, 30.00, xyz5, 6.30
into the following output format (to be loaded into a SQL DB):
Date, Code, Value
1-Jan-2006, abc1, 20.00
1-Jan-2006, xyz3, 35.00
2-Jan-2006, abc1, 30.00
2-Jan-2006, xyz5, 6.30
I'm quite new to SSIS, so, I would appreciate detailed steps if possible. Thanks.
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Mar 1, 2006
Hi,
Does anyone know if it is possible to point data that underwent the "merge join" transformation (in one data flow) to the following data flow? I don't want to recreate all that merging, sorting and calling the same sources again in the following data flow if the data that I am using exists in the previous data flow. The merged data is simply too big to export to an excel file, so does anyone have any ideas? Thanks!
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Jul 26, 2007
I have a data flow task which has around 5 data flows (like the 2nd diagram shown here). These 5 simple flows with just a row count transformation in between. Now, I want to fail the entire task immediately even if one of the data flows failed. Right now if one flow fails the remaining flows fails after a long time, not immediately. How can I make it fails immediately.
The other I would like to do is Can I place these 5 data flows in a transaction, so that if one data flow fails, others data flows also roll backs? ( I assume its not possible)
Thanks
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Jul 18, 2006
hi all,
i have a package in ssis that needs to deliver data from outside servers with odbc connection. i have desined the package with dataflow object that includes inside a datareader source. the data reader source connect via ado.net odbc connection to the ouside servers and makes a query like: select * from x where y=? and then i pass the data to my sql server. my question is like the following:
how do i config the datasource reader or the dataflow so it will recognize an input value to my above query? i.e for example:
select * from x where y=5 (5 is a global variable that i have inside the package). i did not see anywhere where can i do it.
please help,
tomer
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Jul 16, 2007
Hi Guys,
I have yet another question. How can i pass data b/w 2 data flow tasks? I'm trying to get some data from one sql server and then I want to pass this whole bunch of data to another data flow task which is going to get some data from second sql server. I would probably combine them using union all and then save that as a transaction in a third sql server?
Information regarding how to pass the data with some detailed discussion would be fine with me.
thanks
Gemma
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