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Lookup Transformation in SSIS ( SQL Server Integration Services ) 2005 and 2008

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Lookup Transformation in SSIS 2005 and 2008

The Lookup transformation performs lookups by joining data in input columns with columns in a reference dataset/table. If there is no matching entry in the reference dataset, no join occurs and no values are returned from the reference dataset. This is an error, and the transformation fails, unless it is configured to ignore errors or redirect error rows to the error output. If there are multiple matches in the reference table, the lookup returns only the first match based on the lookup query.

I have written articles covering Lookup Tranformation in SSIS 2005 and Lookup Transformation in SSIS 2008 in details including different caching mechanism and detail usage example.

Refer this link for more details.

https://www.sql-server-performance.com/articles/biz/SSIS_New_Features_in_SQL_Server_2008_Part1_p1.aspx

Comments

  • Anonymous
    May 01, 2013
    hi i want details about the LookUp Transformation.