How To Eliminate Duplicate Rows In Data Flow Task ?
Nov 21, 2007
Dear all,
I built a package to transform data from flatfile into temp table. Then execute a stored procedure to tranform from the temp table into the real table. Since the real table have primary keys so it goes failed when there're duplicate rows from temp table. I let the temp table has no primary key. If I had to check the temp table for duplicate rows it would be using cursor through the data and the package will get slow. Is there task in SSIS to identify the duplicate data and eliminate it without using cursor ?
Thanks in advance,
Hello, I need to eliminate the duplicated rows in sql server 2000, but the duplicate is only for some fields of the row. However, I need all the fields of the row. For example, I have the next structure: Id_type, number_type, date, diagnosis, sex, age, city
After many analysis I get many rows where the tree first field are repeated, so I need to leave only one but with the all another fields. This is because I need only the first time when the diagnosis appear.
Working in Sql Server 2005,got 3 different table.Need to fetch the list of persons.A person can belong to different categories.When i am using inner join on tables i am getting the duplicate rows because a perosn can belong to different categories.I want that there should be only onoe row for the person and the different categories he belongs to can come up in single field as comma sepatated string Now the results are like this: firstname lastname adress category abc xyz aaa a abc xyz aaa b abc xyz aaa c I want like below: abc xyz aaa a,b,c I am thinking of using cursors in the stored procedure.Can you provide me the solution of this including the stored procedure..
I am facing an issue that Data flow task failing after loading 29000 rows out of 2lakhs rows.
I am loading data from .csv file to OLE DB Destination.
This data flow task is placed inside For each loop container.
is this issue because of any performance issue in SSIS packages such as buffer size.
find the error below:
DFT Load Data from FlatFile:Error: The conditional operation failed. DFT Load Data from FlatFile:Error: SSIS Error Code DTS_E_INDUCEDTRANSFORMFAILUREONERROR.
The "DER Add Calc Columns" failed because error code 0xC0049063 occurred, and the error row disposition on "DER Add Calc Columns.Outputs[Derived Column Output].Columns[M_VALUE_NUM]" specifies failure on error. An error occurred on the specified object of the specified component. There may be error messages posted before this with more information about the failure.
DFT Load Data from FlatFile:Error: SSIS Error Code DTS_E_PROCESSINPUTFAILED. The ProcessInput method on component "DER Add Calc Columns" (48) failed with error code 0xC0209029 while processing input "Derived Column Input" (49). The identified component returned an error from the ProcessInput method. The error is specific to the component, but the error is fatal and will cause the Data Flow task to stop running. There may be error messages posted before this with more information about the failure.
We have the below query which is pulling in Sales and Revenue information. Since the sale is recorded in just one month and the revenue is recorded each month, we need to have the results of this query to only list the Sales amount once, but still have all the other revenue amounts listed for each month. In this example, the sale is record in year 2014 and month 10, but there are revenues in every month as well for the rest of 2014 and the start of 2015 but we only want to the sales amount to appear once on this results set.
I'm using the Data Flow Task to load data from a flat file into a SQL table and I'm missing rows. And there doesn't see to be any consistent or obvious reason why.
When I use the Bulk Insert Task I import the correct number of rows from the flat file. But when I use the Data Flow task and use a Flat File Source connected to a OLE DB Destination I get about 1/3 the right number of rows. So looking at these loaded tables at the same time I notice that the Data Flow Task method just skips rows sometimes.
I have a table with 68 columns. If all the columns hold the same value except for one which is a datetime column I want to delete all but one of the duplicate rows. Preferably the latest one but that is not important. Can someone show me how to accomplish this?
I have a table that I'm loading as part of a control flow that in turn is copied to a target table by using a data flow task. I am doing this because a different set of fields may be used from the source entry to create the target entry based on a field in the source table. That same field may indicate that multiple entries need to be created in the target table from one source table entry for which I use a multi-cast transformation.
The problem I'm having is that no matter how many entries there are in the source table, the OLE DB Source during execution only shows 7,532 entries being taken from the source table. If there are less than 7,532 entries in the source table, everything processes fine. More than 7,532 and the data flow task only takes 7,532 and then seems to hang. It also seems as though only one path of the multi-cast transformation is taken when the conditional split directs a source entry down that path.
Seems like a strange problem I know, but any insight anyone could provide is appreciated. Thanks.
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)
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.
I am trying to create a simple BI Application for SSIS. In Visual Studio 2005 I just get a Data Flow Task from the toolbar and add it to the project. When I double click it I get the following error:
The task with the name "Data Flow Task" and the creation name "DTS.Pipeline.1" is not registered for use on this computer.
Then when I try to delete it it gives this other error:
Cannot remove the specified item because it was not found in the specified Collection.
I am creating this application in an administrator account in this computer, so I doubt the problem is related to permissions. I am running SQL Server 2005 and Visual Studio 2005 in WinXP Tablet PC Edition.
Any suggestions why this is happening and how to fix it?
I am using SQL 2005 SSIS. I am joining several large tables and then the move result into another table in the same database.
I would like know which method is faster:
Use Execute SQL Task to insert the result set to the target table
Use the Data Flow Task to insert the result set to the target table. (Use OLE DB source to execute SQL command and then use the SQL destination) Could you tell me why then other is slower?
Hi all, i've given a table structure with data and the expected result . I want to establish it in SQL server (7.0) If i establish the inner join i get 4 rows (2*2) Please let me know how to get the result Thanx in adv Tarriq
I have a stored procedure that is executed via a sql script task that returns a full result set. I map this result set to a variable or object type. Is there a way to use this variable as a data source in a subsequent data flow task?
I'm trying to get a record count out of a databse using OLE DB Source and row count tasks but keep getting an error. I set up a variable as int32 and select the variable name in the row count task and when I go to the Input Columns tab to select a field to count, it gives me this error:
Error at Data Flow Task[Row Count[505]]: The component "Row Count" (505) has forbidden the requested use of the input column with lineage ID 32.
I've been making great progress but I've hit another road block which a newbie intern like myself can't surpass. What's worse is the fact that no one is in the office today! Maybe someone can point me in the right direction with this SQL:
FROMtblUserDepartment ud INNER JOIN tblRequest rON ud.departmentID = r.departmentID INNER JOIN tblDepartment dON r.departmentID = d.departmentID INNER JOIN tblStatus sON r.reqStatus = s.statusID INNER JOIN tblUser uON r.requserID = u.userID LEFT JOIN tblRequestAssignee ra ON r.requestID = ra.requestID WHEREud.userID= @userID
This works great except for one thing. In tblRequestAssignee, you have 1 primary assignee and can have several other assignees (that are not primary). This is denoted by a bit field "isPrimaryAssignee" in tblRequestAssignee. When I run the query, I see every request I want to but it duplicates requests with more than one assignee. What I'm trying to do is make only the primaryAssignee display if there is one. If there's not, then null is displayed (which is already happening).
Like I said, the query is mostly working right except for this duplicate record that displays when there's 2 assignees. Any help would once again be greatly appreciated.
We have rolap based cube .. when we run the report on that it is take more time than expected.I have run the profiler and identified .. same query is duplicated and running multiple times. I have run the query .. it took 10 seconds..how to eliminate duplicate queries .
I created a package with SQL 2005. The package gets the Access DB and then inserts it into SQL Server.
If I open the package in .NET, I can see the SQL Task and Data Flow Task. The SQL Task has a property sqlstatementsource, which has the necxessary SQL code to create the tables.
How can I tell the SQL Task to recompile the SQL code if I give it another DB name, because the tables differ and don't map in the Data Flow Task
In my employee table has the following fields empid, empFname, empLname, email, city Say it has data like follows: 1, Lucy, Sam, l@some.com, city1 2. Sam, Wite, l@some.com, city2 3. Laura, Mac, l@some.com, city2 4. Stacy, Soo, s@no.com , city1 So in my case I want to show all the column but I want to eliminate multiple email addresses. I tried Distinct but its not workin because here every column is not distinct. So what should I use? In my case I only want to show empID 1, 3, 4. I want to show all the columns
I have a lot of different data flows that need "Derived Column". There are maybe only 5 different such "Derived Column" but they appear many times. Is there a way to eliminate all that double work? It should be something that does not take me more time to do than just duplicating all the "Derived Columns".
I have a table which has been loaded from various source feeds. The SourceId relates to the source name and the SourceCompanyId is the sources primary key for the company. I am basically trying to create one row with all the SourceCompanyIds in my column headers. What data flow tasks would be necessary in SSIS?
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.
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.
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
I am new to SSIS. I need some help in designing the below dataflow task.
-- Teacher creates several tasks and each task is assigned to multiple students -- The teacher table contains contains all the tasks created a every teacher use ods go create table teacher ( yr int, tid int, tname varchar(20), taskid int
)
insert into teacher values(2007,101,'suraj','task1') insert into teacher values(2007,101,'suraj','task2') insert into teacher values(2007,102,'bharat','task3')
insert into teacher values(2007,103,'paul','task4') insert into teacher values(2007,103,'paul','task5') insert into teacher values(2007,103,'paul','task6')
-- Teacher "suraj" has created 2 tasks -- Teacher "bharat" has created 1 task
select * from ods..teacher yr tid tname taskid ============================ 2007 101 suraj 1111 2007 101 suraj 1122 2007 102 bharat 2222
-- Students table contains studentid(sid),teacherid(i,e tid ) & taskid drop table students
create table students ( yr int, sid varchar(10), tid int, taskid varchar(10) )
truncate table students
insert into students values(2007,'stud1',101,'task1') insert into students values(2007,'stud1',101,'task2')
insert into students values(2007,'stud2',101,'task1') insert into students values(2007,'stud2',101,'task2')
--Note : stud1,stud2 comes under teacher with tid "101"
insert into students values(2007,'stud3',102,'task3')
-- Note : stud3 and stud4 comes under teacher with tid "102"
insert into students values(2007,'stud4',103,'task4') insert into students values(2007,'stud4',103,'task5') insert into students values(2007,'stud4',103,'task6')
insert into students values(2007,'stud5',103,'task4')
select * from students yr sid tid taskid ---------------------------- 2007 stud1 101 task1 2007 stud1 101 task2
Now in my target table i need to load the data in a such a way that
use targetdb go drop table trg go
create table trg ( yr int, -- data should load from teacher.yr tid int, taskid int(20), cnt int
)
Mapping in target column and value to be loaded ================================================== yr -- teacher.yr tid -- teacher.id taskid -- this need to start a new sequence of numbers starting from 1 for each teacher and dont want the task id to be copied as it is. cntofstudents -- need to count no of students from "students" table for a given teacher and for his assignment
For example for teacherid "101" and taskid "task1" there are 2 students again for the same teacher "101" and taskid "task2" there are 2 students
For teacher "102" and taskid "task3" there is only 1 student
Similary for teacher "103"
Relation ========
Teacher table | Students Table yr | yr tid | tid
After i run the ETL the data should look as follows :
insert into trg values(2007,101,1,2) insert into trg values(2007,101,2,2)
insert into trg values(2007,102,1,1)
insert into trg values(2007,103,1,2) -- task4 is created by teacher "103" and assigned to 2 students stud4 and stud5 insert into trg values(2007,103,2,1) -- task5 is created by teacher "103" and assigned to 1 student i.e stud4 insert into trg values(2007,103,3,1) -- task6 is created by teacher "103" and assigned to 1 student i.e stud5
Note : If u observer the values in 3rd column of the trg table, instead of directly mapping the taskid we need to generate a separate sequence for every teacher.
BottomLine : for each and every task created by each teacher there should be a unique record along with the count of students in "STUDENTS" table
Can anyone help me out in designing the Data Flow task for this Functionality.
Hi there. I'm trying to learn SSIS, please, help me. I have 2 questions:
1) There are 2 databases on 2 different servers. I need to get data from Table1(database1) and put it to Table2(database2). But I have to insert rows, which ID is not exists in Table2. How Can I do necessary filter?
2) In the OLE DB DataSource Component I have used SQL Command(it's simplified):
declare @TmpTable TABLE (WorkCode int not null);
INSERT INTO @TmpTable (WorkCode) select WorkCode from Table1
SELECT WorkCode FROM @TmpTable
SSIS Package works without any exception. But there is no any inserted record in destination table. If I try similar query without temporary table - it works good. Why?
I have SQL Server 2005 Express edition on my machine. On an SSIS project in BIDS, when i drag a "Data Flow Task" to the package it returns the following error:
The designer could not be initialized. (Microsoft.DataTransformationServices.Design)
Does this has anything to do with the fact that i don't have SSIS installed on my machine?
I thought that SSIS was only needed (on my machine) for the runtime, just to run the packages. To create and edit the pachages i need to install SSIS on my machine too? this doesn't makes sense, maybe it's another problem.
I am having problems with the Data Flow task. It does not even show up in the list of items to drop into the SSIS project.
If I go to the Data Flow tab and hit create, I get the follow error. I have tried repairing and reinstalling, but nothing seems to clear up the error. Without rebuilding my machine, is there anyone who knows how to get the Data Flow Task reinstalled properly?
Thanks
Wayne
TITLE: Microsoft Visual Studio------------------------------Registration information about the Data Flow task could not be retrieved. Confirm that this task is installed properly on the computer. ------------------------------ADDITIONAL INFORMATION:TaskHost "{C3BF9DC1-4715-4694-936F-D3CFDA9E42C5}"' is not installed correctly on this computer. (Microsoft.DataTransformationServices.Design)For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft%u00ae+Visual+Studio%u00ae+2005&ProdVer=8.0.50727.762&EvtSrc=Microsoft.DataTransformationServices.Design.SR&EvtID=TaskHostNotInstalled&LinkId=20476------------------------------BUTTONS:OK------------------------------
I have a simple data flow task setup... 2 ADO.NET connection managers, each referencing a DSN pointed to a Unidata database. 2 DataReader sources, each using a single ADO.NET connection managers, running a simple SELECT statement from a table. I have a Union All transform setup to merge the data and write to a OLE DB Destination (SQL05 database)
When I run the package, each source will validate, but only one will execute. The other source will do nothing. The data source will be colored yellow, and will just sit there. The package will just sit, almost like it is waiting for input.
This behavior is not consistent, however. It varies which data source will hang, pretty much 50-50. About 25% of the time, both sources will execute, and all rows will be written to the destination.
I have a Windows XP X64 machine with SQL 2005 Developer and VS 2005 Team Edition for Architects on it. For the most part it appears that all normal VS and SQL functions are working properly with the exception of SSIS. If I open the developer studio and drag a Data Flow Task onto the design surface I get the message below. I have tried doing an unistall and reinstall of Integration Services as well as a repair on VS 2005 with no success. I've searched the web and newsgroups and can't find any mention of the problem I'm having. Any help greatly appreciated.
I wanna know if we can have more than one "OLEDB Destination" within a Data Flow Task, I want to use the same data flow and write to two different tables in a database with some changes. If we cannot do this within the same data flow what is the best way to do this.
How can I debug data flow task. From this article (http://www.databasejournal.com/features/mssql/article.php/3567961) and this video (http://www.jumpstarttv.com/Media.aspx?vid=3) I found that when we are executing the task, the data count will be shown along with color coded task but when I debug the package, no count is shown. I have SQL and source and flat file as destination. There is nothing stored in the destination file but the sql script returns the data.
