SSIS performance tuning, connecting to heterogeneous sources, and complex transformations
the challenges of working with heterogeneous data sources

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control flows vs. data flows
In this white paper by Microsoft MVP Andy Leonard, he describes how to improve the performance of your Microsoft SQL Server Integration Services (SSIS) applications -- and when the work required becomes too much, how to extend SSIS with expressor. Andy looks at three key areas of ETL performance:



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