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The SSIS Data Flow moves data from a variety of sources and then transforms the data in memory prior to landing the data into a destination. Because it is in memory, it has superior speed to loading data into a table and performing a number of T-SQL transformations. In this chapter you learned about the common sources, destinations, and transformations used in the SSIS Data Flow. In the next chapter, you learn how to make SSIS dynamic by using variables and expressions.