How To Insert Or Update Records In Ssis Data Flow Stored' title='How To Insert Or Update Records In Ssis Data Flow Stored' />SSIS Upsert With Lookup Transform.First Of All, create sample source file, this is our sample source flat file then create a table with this structure in destination database now go to SSIS package, add a data flow task, and add a flat file source, point it to the source file, and set Column names in the first data row, also go to advanced tab, and change the data type of column id to DTI4.Redirect Rows to no match output, then go to connection tab, and create a connection to destination database, and set Upsert.Destination. Table as lookup table.ID column from available inputs to available lookup columns,Now you can implement INSERT part of operation, as below add an oledb destination, and connect No Match Output from lookup transform to this destination,set the Upsert.Destination. Table there, and map columns.For implementing the Update Part first create an update stored procedure in destination database, as below create PROCEDURE dbo.Update. Destination.Table ID int,Firstname nvarchar5.Lastname nvarchar5.ASBEGINSET NOCOUNT ON update Upsert.Destination. Tableset firstnameFirstname,lastnameLastnamewhere IDIDENDGOthen add an OLEDB Command transform to the data flow task, and connect the Match Output from lookup transform to the OLEDB Command,go to OLEDB Command Editor, in connection managers tab, set the connection manager to destination database, in component properties tab, go to sql statement property, and write this update statement there exec dbo.Update. Destination.Table, Note that question marks are parameter markers, and each of them represent a parameter, then you can map input columns to these parameters in the column mappings tab,Thats all.How can I load a large flat file into a database table using SSIS Assuming you are using SQL Agent or similar schedulerReqs 14 I would have a precursor step handle the FTP andor file copy steps.I dont like to clutter my packages with file manipulation if I can avoid it.Reqs 23 At the control flow level, the package design is going to look like an Execute SQL task connected to a Data Flow connected to another Execute SQL task.As Allen. G indicated, youd be best served by loading into a staging table via the Data flow task.How To Insert Or Update Records In Ssis Data Flow Stored' title='How To Insert Or Update Records In Ssis Data Flow Stored' />The first Execute SQL Task will purge any rows from the staging table TRUNCATE TABLE dbo.DAILYSTAGEApproximate table design looks like this.The MICHAELBORN table is your existing table and the DAILYSTAGE is where your data flow will land.CREATE TABLE DBO.MICHAELBORN. ID int identity1,1 NOT NULL PRIMARY KEY CLUSTERED.Item. ID int NOT NULL.Item. Name varchar2.ScriptComponentConfig1.jpg' alt='How To Insert Or Update Records In Ssis Data Flow Stored Procedure' title='How To Insert Or Update Records In Ssis Data Flow Stored Procedure' />NOT NULL., Item.Type varchar2. 0 NOT NULL.CREATE TABLE dbo.DAILYSTAGE. Item.ID int NOT NULL PRIMARY KEY CLUSTERED.Item. Name varchar2.It is one of the more common questions over on the SSIS Forums.How can I check if a record exists and if so, how can I check quickly if it has changed.NOT NULL., Item. Type varchar2.NOT NULL. For demonstration purposes, I will load the above tables with sample data via TSQL Original data.MICHAELBORN. 2. Apple,Fruit., 4.Bannana,Fruit. Daily load runs.Adds a new fruit pear, corrects misspelling of banana, eliminates apple.The Basics of Good TSQL Coding Style Part 3 Querying and Manipulating Data.DAILYSTAGE. 7. 72.Pear,Fruit., 4. Banana,Fruit.The Execute SQL task will take advantage of the MERGE statement available in 2.SQL Server. Please note the trailing semi colon is part of the MERGE statement.Failure to include it will result in an error of A MERGE statement must be terminated by a semi colon.MERGE statement. Given the above scenario, this script will.Update the matched 4.Add the new pear row.Remove the unmatched apple row.MICHAELBORN AS T.Item. Name., Item.Type. dbo. DAILYSTAGE.ON T. Item. ID S.Item. ID. MATCHED THEN.T. Item. Name S. Item.Name., T. Item. Type S.Item. Type. NOT MATCHED THEN.Item. Name., Item.Type., Item. Name.Item. Type. NOT MATCHED BY SOURCE THEN.Req 5 Efficiency is totally based on your data and how wide your rows are but it shouldnt be terrible.Performance testing.Assumes you have a similar fast row number generator function.TRUNCATE TABLE dbo.MICHAELBORN. TRUNCATE TABLE dbo.DAILYSTAGE. load initial rows.MICHAELBORN. N. number AS Item.ID., Spam eggs CASTN.AS varchar1. 0 AS Item.Name., SPAM AS Item. Chris Brown Forever 320 Kbps Downloads . Type., CASE N. WHEN 0 THEN N.ELSE N. number END AS Up.The. Evens. dbo. Generate.Numbers1. 00. 00.N. Load staging table.Odds get item type switched out.Evens get delete and new ones created.DAILYSTAGE. CASE N.WHEN 0 THEN N. number 1.ELSE N. number END AS Item.ID., Spam eggs CASTN.AS varchar1. 0 AS Item.Name., CASE N. number 2 WHEN 0 THEN SPAM ELSE Not much spam END AS Item.Type. dbo. Generate.Numbers1. 00. 00.N. Run MERGE statement, 3.M rows upserted. Probably fast enough for you.
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