By now, you've translated your business requirements into an SSAS cube. The next task in implementing your BI project is to execute an ETL solution from your detailed data map.
As discussed in Chapter 3, data maps are used as a basis for beginning ETL design. In my experience, up to 75% of the initial work on a BI project consists of ETL process design, development, and debugging. I assume that you've completed your data map and created a simple package or two using the Import/Export Wizard or by using the SSIS package template in BIDS. In this chapter, we'll cover the following topics:
Considering general ETL package-design best practices
Understanding control flow tasks
Understanding data flow transformations
Using the ...