Ssis Package Design To Load Only Rows Which Are Changed From Exisiting Rows.
Hi i tried designing a SSIS package which loads only those rows which were different from existing rows in the table , i need to timestamp the existing row with an inactive date when a update of that row is inserted (ex: same studentID )
and the newly inserted row with a insert time stamp
so as to indicate the new row as currently active, in short i need to maintain history and current rows in same table , i tried using slowly changing dimension but could not figure out, anyone experience or knowledge regarding the Data loads please respond.
example of Data would be like
exisiting data
StudentID Name AGE Sex ADDRESS INSERTTIME UPDATETIME
12 DDS 14 M XYZ ST 2/4/06 NULL
14 hgS 17 M ABC ST 3/4/07 NULL
New row to insert would be
12 DDS 15 M DFG ST 4/5/07
the data should reflect
StudentID Name AGE Sex ADDRESS INSERTTIME UPDATETIME
12 DDS 14 M XYZ ST 2/4/06 4/5/07
12 DDS 15 M DFG ST 4/5/07 NULL
14 hgS 17 M ABC ST 3/4/07 NULL
Please provide your input as much as you can even though it might not be a 100% solution.
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I have an SSIS package that imports from an Excel file with data beginning in the 7th row. Unlike the same operation with a csv file ('Header Rows to Skip' in Connection Manager Editor), I can't seem to find a way to ignore the first 6 rows of an Excel file connection. I'm guessing the answer might be in one of the Data Flow Transformation objects, but I'm not very familiar with them. Any pointers would be greatly appreciated. Eric
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SSIS Oledb Destination Not Writing Any Rows
I have a Dataflow task with oledb source that is using SqlCommand to retrieve data and oledb destination to write the source output to a table. I have access to both the source and destination databases. The problem is the destination component is not writing any rows to the destination table eventhough the Source component is returning rows (I can see them in the Preview and the source database table as well). I'm using "Table/View Name from Variable" for destination. The Package executes without any errors but there is no output. Any ideas? Thanks.
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SSIS Perf Tuning - Tables Of 15M+ Rows
The challenge: I have to extract and convert data between 2 SQL server systems - only 4 tables on the source systems, 8 tables on the target system. Source tables have between 5,000 rows and 16,000,000 rows. For most of the tables (for example Customer, which goes into 4 target tables), there will be 1 row in target tables for each row in the mapped source system table - so my 13.5M customer rows will end up as around 40M rows across the 4 target tables. So far, so good. But - this is a 24x7 online retail web-site, and to get the data across as a clean process, we require the smallest possible duration. I have progressed on the customer migration, and am testing on a test environment (2xdual core HT processors, 4 GB ram) which was 2.15 million rows. Live environment is likely to be a 4xdual core with 8-16 GB ram. I am trying to optimize the extract data flow, and have read the SSISperfTuning doc. I am now trying to put that into practice. I have a row size of approx 340 bytes, so based on that, and my test environment of 2.15 million rows, I work out at around 700 MB ram required to buffer the data. That is a factor of 7 times greater than the max buffer space for a data flow of 100 MB, which it seems, means I should divide the base MaxBufferRows (10000) by 7 to go down to 1400 rows? I see a LOT of the following messages in my progress, when running with default settings: [DTS.Pipeline] Information: The buffer manager detected that the system was low on virtual memory, but was unable to swap out any buffers. 30 buffers were considered and 30 were locked. Either not enough memory is available to the pipeline because not enough is installed, other processes are using it, or too many buffers are locked. The design of the data flow at the moment is: ..........................................|--target table 1 SOURCE SP ---- MULTICAST---|--target table 2 ..........................................|--target table 3 ..........................................|--target table 4 any thoughts on Buffer tweaking, corrections to my assumption and other hints/techniques? *##* *##* *##* *##* Chaos, Disorder and Panic ... my work is done here!
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Return Two Rows From One Rows Data
I know this table is designed wrong for what I am doing but I hope Ican do it. I have a table like this.Prod_A_Jan, Prod_A_Feb, Prod_B_Jan, Prod_B_FebI want a query that returns data like this (two rows of data)"ProdA", Prod_A_Jan, Prod_A_Feb"ProdB", Prod_B_Jan, Prod_B_FebI know two queries can get it but I want one. Any Help would begreat!!!Sheila T.
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How To Substract New Rows From Old Rows In The Same Column?
Hi I'm having a bit troubble by creating a SQL-sentence which substract the newest row from the second newest row in the same column. The table looks like this: Pricecalcid Date Price Itemid 2000 2006-12-12 3000 100 2488 2007-10-11 2800 100 3100 2008-08-07 2500 100 What I need is that the largest "Pricecalcid" that is 3100 equals "Price" 2500 and the second largest "Pricecalcid" eqauls 2800 results in a pricecalculation that substracts 2500 from 2800 for "Itemid" 100. How do I do that? Thanks Morten
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Fetch Odd Rows And Even Rows From A Table
Dear Friends, Is there any way to display a table data separately like odd rows and even rows?I dont know this is possible or not?If it is possible means how can i achieve it?Please guide me a proper way. Thanks all! kiruthika http://www.ictned.eu
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New Rows Based On Existing Rows
Hi All, I have the following Table Type Name Value x M1 5 x M2 10 x M3 20 y M1 10 y M2 15 y M3 30 Now, i need to add four more rows to the table Type Name Value x M1 5 x M2 10 x M3 20 y M1 10 y M2 15 y M3 35 z1 Total 15 (xM1+XM2) z1 Diff 5 (xM3-xM1+XM2) z2 Total 25 (yM1+yM2) z2 Diff 10 (yM3-yM1+yM2) Please help me. Many Thanks,
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MSSQL - DTS Package - Find Distinct Rows - Output To TXT File - ActiveX
Hello All,I am trying to create a DTS package.I have two tables tbl_A and tbl_B with similar data/rows but noprimary keys.tbl_A is master.I would like this package to query tbl_A and tbl_B and find1)all rows in tbl_A that are different in tbl_B, 2)all rows in tbl_Athat are not present in tbl_B and3)all rows in tbl_B that are not present in tbl_A, and then just showthose rows.Can this be done with a simple UNION?Perhaps this could produce a temp Table that can be dropped once theDTS package exists successfully.The 2nd part after all the above rows are retrieved is that I wouldlike to add an addional Column to the retrieved data called STATUSwhich has 3 possible values(letters) at the end of each row...M (modified) means that row exists in tbl_B but has 1 or moredifferent columnsA (add) means this row exists in tbl_A but not in tbl_BD (delete) means this row exists in tbl_B but not in tbl_AI'm hopping this DTS package would output a nice comma seperated TXTfile with only...1) rows from tbl_A that are different in tbl_B (STATUS M)2) rows from tbl_A that are not present in tbl_B (STATUS A)3) rows from tbl_B that are not present in tbl_A (STATUS D)Can a DTS package in MS SQL be used to perfom all of the above tasks?I would very much appreciate any help or any advise.Thanks in advance :-)
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MSSQL - DTS Package - Find Distinct Rows - Output To TXT File - ActiveX?
Hello All,I am trying to create a DTS package.I have two tables tbl_A and tbl_B with similar data/rows but noprimary keys.tbl_A is master.I would like this package to query tbl_A and tbl_B and find1)all rows in tbl_A that are different in tbl_B, 2)all rows in tbl_Athat are not present in tbl_B and3)all rows in tbl_B that are not present in tbl_A, and then just showthose rows.Can this be done with a simple UNION?Perhaps this could produce a temp Table that can be dropped once theDTS package exists successfully.The 2nd part after all the above rows are retrieved is that I wouldlike to add an addional Column to the retrieved data called STATUSwhich has 3 possible values(letters) at the end of each row...M (modified) means that row exists in tbl_B but has 1 or moredifferent columnsA (add) means this row exists in tbl_A but not in tbl_BD (delete) means this row exists in tbl_B but not in tbl_AI'm hopping this DTS package would output a nice comma seperated TXTfile with only...1) rows from tbl_A that are different in tbl_B (STATUS M)2) rows from tbl_A that are not present in tbl_B (STATUS A)3) rows from tbl_B that are not present in tbl_A (STATUS D)Can a DTS package in MS SQL be used to perfom all of the above tasks?I would very much appreciate any help or any advise.Thanks in advance :-)
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